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Tutorial 17 - LIMIT And OFFSET Operators
 
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Learn About LIMIT And OFFSET Operators in PostgreSQL.
Views: 10214 Programming Guru
MySQL tutorial 4 - Limit, Offset and Ordering
 
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This tutorial will show you how to limit your results, create offsets and change the order of the results you receive. Sponsored by DevMountain. Get yourself career ready, check out their website: http://goo.gl/enNbQV Don't forget to tell them I sent you. Follow me on social media: Twitter: https://twitter.com/QuentinWatt Facebook: https://www.facebook.com/quentinwatt Instagram: https://www.instagram.com/quentinwatt Snapchat: https://www.snapchat.com/add/quentinwatt92 Become a Patron: https://www.patreon.com/QuentinWatt Subscribe to my Vlog channel: https://www.youtube.com/c/Quentin Subscribe to this channel: https://www.youtube.com/QuentinWatt Please note: I do not offer web development services, private tutoring, or "assistance" on school or university projects. I am not an online support service, and I'm not interested in setting up a "start up" business with viewers.
Views: 25878 Quentin Watt Tutorials
SQL SELECT TOP Clause or LIMIT, OFFSET  and  ROWNUM  Telugu | SQL Telugu Tutorial-vlr training
 
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For all sql videos in Telugu :http://www.vlrtraining.in/sql-training-videos-telugu/ In Telugu: What is the use of ROWNUM in Oracle? What is LIMIT in MySQL? SQL SELECT TOP, LIMIT, ROWNUM SQL TOP, LIMIT or ROWNUM Clause SQL SELECT TOP, LIMIT, ROWNUM SQL Tutorial; SQL SELECT TOP Command Select top in SQL Server SQL SELECT TOP Clause The SELECT TOP clause is used to specify the number of records to return. What is limit in MySQL Limit Data Selections From a MySQL Database. MySQL provides a LIMIT clause that is used to specify the number of records to return. The LIMIT clause makes it easy to code multi page results or pagination with SQL and is very useful for large tables. The SELECT TOP clause is useful on large tables with thousands of records. Returning a large number of records can impact on performance. In English: download sql study material Website: http://www.vlrtrain.in/2016/09/download-sql-files.html Learn SQL sql tutorial for beginners sql commands oracle sql tutorial sql tutorial advanced mysql tutorial sql tutorial video SQL Tutorial, Tutorials SQL
Views: 3224 VLR Training
PL/SQL tutorial 62: PL/SQL Collection Method LIMIT in Oracle Database
 
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In this PL/SQL tutorial we will explore the concepts of collection method LIMIT and learn: - What is collection method Limit - How to use this collection method - What are the differences between collection method LIMIT & Collection Method COUNT - What happens when function LIMIT is used with Nested table and Associative array Go ahead and enjoy. Also do not forget to LIKE, SHARE & Subscribe. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/limit-function Previous Tutorial ► Associative Array: https://youtu.be/wGXeD_oWxUk ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 6460 Manish Sharma
Aula 06   FETCH FIRST oracle
 
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Para se inscrever no nosso curso acesse --http://aprendaplsql.com/1z0-047-curso-oracle-sql-expert/ Esta aula faz parte do Curso Oracle SQL Expert e foi liberada para o público afim de distribuir conhecimentos do Oracle 12c. Queries utilizadas no vídeo: SELECT * FROM employees WHERE rownum = 5 ORDER BY salary desc; SELECT emp.* FROM (SELECT * FROM employees ORDER BY salary DESC) emp WHERE rownum = 5; SELECT * FROM employees ORDER BY salary DESC FETCH FIRST 5 ROWS ONLY; -- Clausula WITH TIES retorna as linhas repetidas na última posição SELECT * FROM employees ORDER BY salary DESC FETCH FIRST 5 ROWS WITH TIES; UPDATE employees SET salary = 13500 WHERE employee_id = 103; -- Comando OFFSET você pula linhas SELECT * FROM employees ORDER BY salary DESC OFFSET 3 ROWS; -- Você também pode retornar as próximas x linhas depois de uma certa quantidade -- de linhas SELECT * FROM employees ORDER BY salary DESC OFFSET 3 ROWS FETCH NEXT 2 ROWS ONLY; -- Você também consegue definir por porcentagem o retorno das linhas SELECT * FROM employees ORDER BY salary DESC FETCH FIRST 25 PERCENT ROWS ONLY;
Views: 1451 Aprenda PL/SQL
Performing top n queries in Oracle 12c
 
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A short tutorial by Eran Koren on using the new FETCH and OFFSET options in Oracle 12c to perform top-n queries and pagination through query results in Oracle
Views: 551 Eran Koren
Oracle LAG & LEAD Functions / Arabic
 
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--The LAG function is used to access data from a previous row --LAG (value_expression [,offset] [,default]) OVER ([query_partition_clause] order_by_clause) --value_expression - Can be a column or a built-in function, except for other analytic functions. --offset - The number of rows preceeding/following the current row, from which the data is to be retrieved. The default value is 1. --default - The value returned if the offset is outside the scope of the window. The default value is NULL. -- The LEAD function is used to return data from the next row. --LEAD (value_expression [,offset] [,default]) OVER ([query_partition_clause] order_by_clause)
Views: 751 khaled alkhudari
Oracle - The SELECT clause - Beginner
 
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Oracle - The SELECT clause - Beginner
Views: 535 Chris Ostrowski
Lead and Lag functions in SQL Server 2012
 
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In this video we will discuss about Lead and Lag functions. Lead and Lag functions Introduced in SQL Server 2012 Lead function is used to access subsequent row data along with current row data Lag function is used to access previous row data along with current row data ORDER BY clause is required PARTITION BY clause is optional Syntax LEAD(Column_Name, Offset, Default_Value) OVER (ORDER BY Col1, Col2, ...) LAG(Column_Name, Offset, Default_Value) OVER (ORDER BY Col1, Col2, ...) Offset - Number of rows to lead or lag. Default_Value - The default value to return if the number of rows to lead or lag goes beyond first row or last row in a table or partition. If default value is not specified NULL is returned. We will use the following Employees table for the examples in this video SQL Script to create the Employees table Create Table Employees ( Id int primary key, Name nvarchar(50), Gender nvarchar(10), Salary int ) Go Insert Into Employees Values (1, 'Mark', 'Male', 1000) Insert Into Employees Values (2, 'John', 'Male', 2000) Insert Into Employees Values (3, 'Pam', 'Female', 3000) Insert Into Employees Values (4, 'Sara', 'Female', 4000) Insert Into Employees Values (5, 'Todd', 'Male', 5000) Insert Into Employees Values (6, 'Mary', 'Female', 6000) Insert Into Employees Values (7, 'Ben', 'Male', 7000) Insert Into Employees Values (8, 'Jodi', 'Female', 8000) Insert Into Employees Values (9, 'Tom', 'Male', 9000) Insert Into Employees Values (10, 'Ron', 'Male', 9500) Go Lead and Lag functions example WITHOUT partitions : This example Leads 2 rows and Lags 1 row from the current row. When you are on the first row, LEAD(Salary, 2, -1) allows you to move forward 2 rows and retrieve the salary from the 3rd row. When you are on the first row, LAG(Salary, 1, -1) allows us to move backward 1 row. Since there no rows beyond row 1, Lag function in this case returns the default value -1. When you are on the last row, LEAD(Salary, 2, -1) allows you to move forward 2 rows. Since there no rows beyond the last row 1, Lead function in this case returns the default value -1. When you are on the last row, LAG(Salary, 1, -1) allows us to move backward 1 row and retrieve the salary from the previous row. SELECT Name, Gender, Salary, LEAD(Salary, 2, -1) OVER (ORDER BY Salary) AS Lead_2, LAG(Salary, 1, -1) OVER (ORDER BY Salary) AS Lag_1 FROM Employees Lead and Lag functions example WITH partitions : Notice that in this example, Lead and Lag functions return default value if the number of rows to lead or lag goes beyond first row or last row in the partition. SELECT Name, Gender, Salary, LEAD(Salary, 2, -1) OVER (PARTITION By Gender ORDER BY Salary) AS Lead_2, LAG(Salary, 1, -1) OVER (PARTITION By Gender ORDER BY Salary) AS Lag_1 FROM Employees Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/lead-and-lag-functions-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/lead-and-lag-functions-in-sql-server_5.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 53562 kudvenkat
Урок3.PL SQL.Переменные
 
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Типы переменных Переменные в PL SQL могут быть заданных типов, подробнее вы уже было в занятии о типах, но мы можем повторить это здесь. Объявление в анонимном блоке Объявление переменной в анонимном блоке Oracle PL SQL. учебная среда https://apex.oracle.com/pls/apex/f?p=4550:1:103440124..::::: схема: SQLADV польз: student1 пароль: student1 будут работать (student2/ student2, student3/ student3 .... student11/ student11) меню SQL Workshop , SQL Command или используйте http://sqlfiddle.com/ скрипт бд для загрузки в sqlfiddle http://sqladv.ru/dev/sql.txt урок и задания http://sqladv.ru/dev/plsql/l3.txt
Oracle DBTIMEZONE Function
 
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https://www.databasestar.com/oracle-timezone-functions/ The Oracle DBTIMEZONE function returns the database timezone offset of the database. It returns it in the format of +/- TZH:TZM, or the time zone region name. It’s useful to know what timezone the database is in when working with dates and different time zones, as it can impact the queries you write. The syntax for this function is quite simple: DBTIMEZONE There are no parameters - just the function name. You can’t actually change the timezone of the database using this function. It uses the timezone of the operating system of the server the database runs on. It’s similar to the SESSIONTIMEZONE function, but that function returns the timezone of your session and not the database server. It’s also similar to the SYSTIMESTAMP function, but that function returns the date, time, and timezone of the database, where DBTIMEZONE just returns the timezone. For more information about the Oracle DBTIMEZONE function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-timezone-functions/
Views: 143 Database Star
SQL Server OFFSET and FETCH example (handling paging in SQL server)
 
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SQL Server OFFSET and FETCH example (handling paging in SQL server) -- Paresh Bhadekar. Like and Subscribe for more videos :)
SQL для начинающих. SQL запрос SELECT ORDER BY LIMIT. Количество строк при выборке из базы данных
 
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В этом видео уроке по основам SQL и базам данных для начинающих мы поговорим о том как сказать СУБД сколько строк вывести на экран в результате запроса SELECT. Или, проще говоря, как ограничить количество строк при помощи клаузулы LIMIT. Уточняющая фраза LIMIT очень часто используется в SQL запросах SELECT вместе с ORDER BY. Также стоит сказать, что LIMIT - это последняя уточняющая фраза, которая есть в SQL. Нам следует добавить, что в базах данных SQLite вместе с LIMIT можно использовать ключевое слово OFFSET. Ключевое слово OFFSET в SQL используется для того, чтобы сказать СУБД о том сколько строк нужно пропустить и не показывать. И LIMIT, и OFFSET в качестве параметра принимают целые положительные числа. Рубрика SQLite на сайте: http://zametkinapolyah.ru/zametki-o-mysql/sqlite/ Текстовая версия: http://zametkinapolyah.ru/zametki-o-mysql/ogranicheniya-vyborki-dannyx-limit-i-select-v-sqlite.html Паблик блога в ВК: https://vk.com/zametkinapolyah Тематическая группа в ВК: https://vk.com/zametki_bd Помощь проекту: WMR: R288272666982 WMZ: Z293550531456 Яндекс.Деньги: 410011531129223
How to Fetch Latest record/row from the Table in Oracle Database
 
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You will learn how to How to Fetch Latest record/row from the Table in Oracle Database. Realtime Scenario: This logic can be implemented to find whether the latest record should be inserted or updated to datawarehouse
20461C_Mod5_Lab_E4-Writing Queries That Filter Data Using the OFFSET-FETCH Clause
 
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20461C_Mod5_Lab_E4-Writing Queries That Filter Data Using the OFFSET-FETCH Clause
Views: 78 Kuo Element
Performing top n queries in Oracle 12c
 
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This is a short tutorial by Eran Koren on using the new FETCH and OFFSET options in Oracle 12c to perform top-n queries and pagination through query results in Oracle 12c
Views: 28 Eran Koren
T-SQL 2012: OFFSET, FETCH,WITH TIES
 
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Рассмотрены OFFSET, FETCH,WITH TIES Статья с кодом из видео находится на сайте http://snakeproject.ru/ ========================= Помощь каналу Яндекс.деньги https://money.yandex.ru/to/410012210709233
Views: 891 Mihail Kozlov
SQL Tutorial - 24: The TOP and LIMIT Clauses
 
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In this tutorial we'll see how we can use the LIMIT Clause in the MySQL environment to control the number of records that are returned in the result set of a query.
Views: 44694 The Bad Tutorials
SQL SELECT TOP Clause or LIMIT, OFFSET, and    ROWNUM English-vlr training
 
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In Telugu: In English: download sql study material Website: http://www.vlrtrain.in/2016/09/download-sql-files.html Learn SQL sql tutorial for beginners sql commands oracle sql tutorial sql tutorial advanced mysql tutorial sql tutorial video SQL Tutorial, Tutorials SQL
Views: 359 VLR Training
OFFSET FETCH NEXT in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg This Feature Enabled from SQL Server 2012. OFFSET FETCH clause provides you with an option to fetch only a window or page of results from the result set. OFFSET-FETCH can be used only with the ORDER BY clause OFFSET - Specifies the number of rows to skip, before starting to return rows from the query expression. The argument for the OFFSET clause can be an integer or expression that is greater than or equal to zero. You can use ROW and ROWS interchangeably. FETCH - Specifies the number of rows to return, after processing the OFFSET clause. The argument for the FETCH clause can be an integer or expression that is greater than or equal to one. You can use ROW and ROWS interchangeably. Similarly, FIRST and NEXT can be used interchangeably Limitations in using OFFSET FETCH ORDER BY is mandatory to use OFFSET and FETCH clause. OFFSET clause is mandatory with FETCH. You can never use, ORDER BY … FETCH. TOP cannot be combined with OFFSET and FETCH in the same query expression. The OFFSET/FETCH rowcount expression can be any arithmetic, constant, or parameter expression that will return an integer value. The rowcount expression does not support scalar sub-queries.
Views: 338 IT Port
SQL tutorial for beginners | Part 9 | FETCH and OFFSET
 
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The OFFSET argument is used to identify the starting point to return rows from a result set. Basically, it exclude the first set of records. Note: OFFSET can only be used with ORDER BY clause. It cannot be used on its own. OFFSET value must be greater than or equal to zero. It cannot be negative, else return error. Source: geeksforgeeks.com What is SQL? SQL (Structured Query Language) is a standardized programming language that's used to manage relational databases and perform various operations on the data in them. Initially created in the 1970s, SQL is regularly used not only by database administrators, but also by developers writing data integration scripts and data analysts looking to set up and run analytical queries. The uses of SQL include modifying database table and index structures; adding, updating and deleting rows of data; and retrieving subsets of information from within a database for transaction processing and analytics applications. Queries and other SQL operations take the form of commands written as statements -- commonly used SQL statements include select, add, insert, update, delete, create, alter and truncate. SQL became the de facto standard programming language for relational databases after they emerged in the late 1970s and early 1980s. Also known as SQL databases, relational systems comprise a set of tables containing data in rows and columns. Each column in a table corresponds to a category of data -- for example, customer name or address -- while each row contains a data value for the intersecting column. SQL standard and proprietary extensions An official SQL standard was adopted by the American National Standards Institute (ANSI) in 1986 and then by the International Organization for Standardization, known as ISO, in 1987. More than a half-dozen joint updates to the standard have been released by the two standards development bodies since then; as of this writing, the most recent version is SQL:2011, approved that year. Source: https://searchsqlserver.techtarget.com/definition/SQL LINKEDIN: https://www.linkedin.com/in/philipp-mertgen-758513153/ PORTFOLIO: http://phil-mertgen.com/ GITHUB: https://github.com/Pmertgen
Views: 395 WebDevHero
SQL Server Tutorial 1 - Offset and Fetch
 
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Offset and fetch
Views: 1739 juniorAdmin
22. SELECT with LIMIT in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 21298 Geeky Shows
Time Zones and the DATETIMEOFFSET data type in SQL
 
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Get the code here: https://douglaskline.blogspot.com/2018/10/time-zones-and-datetimeoffset-data-type.html
Views: 427 Database by Doug
Oracle Training - Accounts Payable in Oracle E-Business Suite R12 (1080p - HD)
 
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http://www.i-oracle.com/ - Oracle Training and Tutorials - Learn how to enter and pay an invoice in Oracle Applications E-Business Suite R12. Use the R12 interface to also match the invoice to a Purchase Order, validate and approve the invoice. View Subledger Accounting (SLA) transactions, view invoice details. And many more.
Views: 395529 Yemi Onigbode
Rank and Dense Rank in SQL Server
 
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rank and dense_rank example difference between rank and dense_rank with example rank vs dense_rank in sql server 2008 sql server difference between rank and dense_rank In this video we will discuss Rank and Dense_Rank functions in SQL Server Rank and Dense_Rank functions Introduced in SQL Server 2005 Returns a rank starting at 1 based on the ordering of rows imposed by the ORDER BY clause ORDER BY clause is required PARTITION BY clause is optional When the data is partitioned, rank is reset to 1 when the partition changes Difference between Rank and Dense_Rank functions Rank function skips ranking(s) if there is a tie where as Dense_Rank will not. For example : If you have 2 rows at rank 1 and you have 5 rows in total. RANK() returns - 1, 1, 3, 4, 5 DENSE_RANK returns - 1, 1, 2, 3, 4 Syntax : RANK() OVER (ORDER BY Col1, Col2, ...) DENSE_RANK() OVER (ORDER BY Col1, Col2, ...) RANK() and DENSE_RANK() functions without PARTITION BY clause : In this example, data is not partitioned, so RANK() function provides a consecutive numbering except when there is a tie. Rank 2 is skipped as there are 2 rows at rank 1. The third row gets rank 3. DENSE_RANK() on the other hand will not skip ranks if there is a tie. The first 2 rows get rank 1. Third row gets rank 2. SELECT Name, Salary, Gender, RANK() OVER (ORDER BY Salary DESC) AS [Rank], DENSE_RANK() OVER (ORDER BY Salary DESC) AS DenseRank FROM Employees RANK() and DENSE_RANK() functions with PARTITION BY clause : Notice when the partition changes from Female to Male Rank is reset to 1 SELECT Name, Salary, Gender, RANK() OVER (PARTITION BY Gender ORDER BY Salary DESC) AS [Rank], DENSE_RANK() OVER (PARTITION BY Gender ORDER BY Salary DESC) AS DenseRank FROM Employees Use case for RANK and DENSE_RANK functions : Both these functions can be used to find Nth highest salary. However, which function to use depends on what you want to do when there is a tie. Let me explain with an example. If there are 2 employees with the FIRST highest salary, there are 2 different business cases 1. If your business case is, not to produce any result for the SECOND highest salary, then use RANK function 2. If your business case is to return the next Salary after the tied rows as the SECOND highest Salary, then use DENSE_RANK function Since we have 2 Employees with the FIRST highest salary. Rank() function will not return any rows for the SECOND highest Salary. WITH Result AS ( SELECT Salary, RANK() OVER (ORDER BY Salary DESC) AS Salary_Rank FROM Employees ) SELECT TOP 1 Salary FROM Result WHERE Salary_Rank = 2 Though we have 2 Employees with the FIRST highest salary. Dense_Rank() function returns, the next Salary after the tied rows as the SECOND highest Salary WITH Result AS ( SELECT Salary, DENSE_RANK() OVER (ORDER BY Salary DESC) AS Salary_Rank FROM Employees ) SELECT TOP 1 Salary FROM Result WHERE Salary_Rank = 2 You can also use RANK and DENSE_RANK functions to find the Nth highest Salary among Male or Female employee groups. The following query finds the 3rd highest salary amount paid among the Female employees group WITH Result AS ( SELECT Salary, Gender, DENSE_RANK() OVER (PARTITION BY Gender ORDER BY Salary DESC) AS Salary_Rank FROM Employees ) SELECT TOP 1 Salary FROM Result WHERE Salary_Rank = 3 AND Gender = 'Female' Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/rank-and-denserank-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/rank-and-denserank-in-sql-server_1.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 81604 kudvenkat
What is LAG Function in Oracle
 
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What is LAG Function in Oracle How to Get Previous Record in SQL How to Get Previous Salary in Oracle SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Tutorial PL SQL Tutorial for beginners PL/SQL Tutorial for beginners Oracle SQL Tutorial
Views: 407 TechLake
Querying Data   Part 1   Single Row Character Functions Oracle SQL
 
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This video shows how to Querying Data Part 1 Single Row Character Functions Oracle SQL in Oracle SQL. Try to share these videos for poor students and subscribe this channel for more upcoming other technical videos.
Views: 94 Technology mart
NTILE function in SQL Server
 
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In this video we will discuss NTILE function in SQL Server NTILE function 1. Introduced in SQL Server 2005 2. ORDER BY Clause is required 3. PARTITION BY clause is optional 4. Distributes the rows into a specified number of groups 5. If the number of rows is not divisible by number of groups, you may have groups of two different sizes. 6. Larger groups come before smaller groups For example NTILE(2) of 10 rows divides the rows in 2 Groups (5 in each group) NTILE(3) of 10 rows divides the rows in 3 Groups (4 in first group, 3 in 2nd & 3rd group) Syntax : NTILE (Number_of_Groups) OVER (ORDER BY Col1, Col2, ...) SQL Script to create Employees table Create Table Employees ( Id int primary key, Name nvarchar(50), Gender nvarchar(10), Salary int ) Go Insert Into Employees Values (1, 'Mark', 'Male', 5000) Insert Into Employees Values (2, 'John', 'Male', 4500) Insert Into Employees Values (3, 'Pam', 'Female', 5500) Insert Into Employees Values (4, 'Sara', 'Female', 4000) Insert Into Employees Values (5, 'Todd', 'Male', 3500) Insert Into Employees Values (6, 'Mary', 'Female', 5000) Insert Into Employees Values (7, 'Ben', 'Male', 6500) Insert Into Employees Values (8, 'Jodi', 'Female', 7000) Insert Into Employees Values (9, 'Tom', 'Male', 5500) Insert Into Employees Values (10, 'Ron', 'Male', 5000) Go NTILE function without PARTITION BY clause : Divides the 10 rows into 3 groups. 4 rows in first group, 3 rows in the 2nd & 3rd group. SELECT Name, Gender, Salary, NTILE(3) OVER (ORDER BY Salary) AS [Ntile] FROM Employees What if the specified number of groups is GREATER THAN the number of rows NTILE function will try to create as many groups as possible with one row in each group. With 10 rows in the table, NTILE(11) will create 10 groups with 1 row in each group. SELECT Name, Gender, Salary, NTILE(11) OVER (ORDER BY Salary) AS [Ntile] FROM Employees NTILE function with PARTITION BY clause : When the data is partitioned, NTILE function creates the specified number of groups with in each partition. The following query partitions the data into 2 partitions (Male & Female). NTILE(3) creates 3 groups in each of the partitions. SELECT Name, Gender, Salary, NTILE(3) OVER (PARTITION BY GENDER ORDER BY Salary) AS [Ntile] FROM Employees Link for all dot net and sql server video tutorial playlists https://www.youtube.com/user/kudvenkat/playlists?sort=dd&view=1 Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/ntile-function-in-sql-server.html
Views: 40546 kudvenkat
Sentencia Select Oracle
 
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En esta lección te enseñamos como puedes hacer select en la base de datos Oracle.
Views: 1228 Alejandro Alvarez
PL/SQL Tutorial: BULK COLLECT  LIMIT Clause
 
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PL/SQL Tutorial: BULK COLLECT with LIMIT Clause SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Tutorial PL SQL Tutorial for beginners PL/SQL Tutorial for beginners Oracle SQL Tutorial
Views: 494 TechLake
Window functions in SQL Server
 
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sql server window function example window function sql server example sql server rows range clause sql server rows between 1 preceding and 1 following In this video we will discuss window functions in SQL Server In SQL Server we have different categories of window functions Aggregate functions - AVG, SUM, COUNT, MIN, MAX etc.. Ranking functions - RANK, DENSE_RANK, ROW_NUMBER etc.. Analytic functions - LEAD, LAG, FIRST_VALUE, LAST_VALUE etc... OVER Clause defines the partitioning and ordering of a rows (i.e a window) for the above functions to operate on. Hence these functions are called window functions. The OVER clause accepts the following three arguments to define a window for these functions to operate on. ORDER BY : Defines the logical order of the rows PARTITION BY : Divides the query result set into partitions. The window function is applied to each partition separately. ROWSor RANGE clause : Further limits the rows within the partition by specifying start and end points within the partition. The default for ROWS or RANGE clause is RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW Let us understand the use of ROWS or RANGE clause with an example. Compute average salary and display it against every employee We might think the following query would do the job. SELECT Name, Gender, Salary, AVG(Salary) OVER(ORDER BY Salary) AS Average FROM Employees As you can see from the result, the above query does not produce the overall salary average. It produces the average of the current row and the rows preceeding the current row. This is because, the default value of ROWS or RANGE clause (RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) is applied. To fix this, provide an explicit value for ROWS or RANGE clause as shown below. ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING tells the window function to operate on the set of rows starting from the first row in the partition to the last row in the partition. SELECT Name, Gender, Salary, AVG(Salary) OVER(ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS Average FROM Employees The same result can also be achieved by using RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING Well, what is the difference between ROWS and RANGE We will discuss this in a later video The following query can be used if you want to compute the average salary of 1. The current row 2. One row PRECEDING the current row and 3. One row FOLLOWING the current row SELECT Name, Gender, Salary, AVG(Salary) OVER(ORDER BY Salary ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) AS Average FROM Employees Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/window-functions-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/window-functions-in-sql-server_7.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 63786 kudvenkat
Pagination is sql server in 2008,2012,2014 | Offset Fetch-Next
 
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This session will help you understand the following : What is Pagination in sql server with example? what we can implement pagination is sql server? what is offset and fetch next clause ? benefits and limitiations of using offset and fetch next clause in sql server. How to do pagination in sql server Pagination Concept in sql server
PL/SQL tutorial 75: PL/SQL Bulk Collect with LIMIT clause in Oracle Database
 
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RebellionRider.com presents the 4th tutorial in Bulk Collect series. Watch and learn how to use Bulk Collect with LIMIT clause to enhance the query performance in Oracle Database by Manish Sharma ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/bulk-collect-4 Previous Tutorial ► Bulk Collect with Explicit Cursor https://youtu.be/PSA8HigCcRs ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 8661 Manish Sharma
MySQL VS Oracle
 
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Video Power Point Presentation on MySQL VS Oracle
Views: 1499 Sharathchandra BM
Oracle Tutorial || Oracle|Sql Other DB Objets Synonym by basha
 
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DateTime functions in SQL Server   Part 25
 
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In this video we will learn about different DateTime data types, and different date time functions in sql server. We will also understand the difference between terms UTC (Coordinated Universal Time) and Time Zone offset. Text version of the video http://csharp-video-tutorials.blogspot.co.uk/2012/09/datetime-functions-in-sql-server-part-25.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-25-datetime-functions-in-sql-server.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 212497 kudvenkat
Oracle Database 12c tutorial #3 - How to use Row limiting clause
 
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In this video i'm going to demonstrate you how to use Row limiting clause in Oracle 12c SQL step by step.
Views: 732 OCP Technology
Oracle Database 12c: Easy Top N and Pagination Queries
 
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Pagination queries using the row limiting clause to fetch N rows or a percentage of rows in a table. For more information, see [Limiting SQL Rows](http://www.oracle.com/pls/topic/lookup?ctx=db121&id=DWHSG9188), [row_limiting_clause](http://www.oracle.com/pls/topic/lookup?ctx=db121&id=SQLRF55636).
Views: 3622 OracleDBVision
Restricting rows with WINDOWING in Oracle SQL
 
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In this video tutorial we will learn how to restricting rows with WINDOWING in Oracle SQL queries for Analysis and Reporting
Views: 243 Spod ssppoodd
Oracle Database tutorials  How To install SQL Developer on windows 7
 
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In this video i'm going to demonstrate you how to work on SQL Developer on windows 7 using oracle 11g R2 step by step.
Views: 867 OCP Technology
How to Page Data using Offset and Fetch
 
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Learn how to use OFFSET and FETCH to retireve a portion of a query result. Watch this video to learn how to use both clauses together to return a portion of the result. Know where to start and how many rows to return from that position.
Views: 720 Kris Wenzel
SQL LIKE Operator Telugu | SQL LIKE Condition-vlr training
 
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For all sql videos in Telugu :http://www.vlrtraining.in/sql-training-videos-telugu/ In Telugu: SQL LIKE Operator SQL LIKE Clause SQL LIKE OPERATOR TUTORIAL SQL WHERE LIKE SQL: LIKE Condition SQL LIKE Operator LIKE Operator in SQL Query In English: download sql study material Website: http://www.vlrtrain.in/2016/09/download-sql-files.html Learn SQL sql tutorial for beginners sql commands oracle sql tutorial sql tutorial advanced mysql tutorial sql tutorial video SQL Tutorial, Tutorials SQL
Views: 2081 VLR Training
SQL:Column name starting with digit
 
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In this tutorial, you'll learn how to use column name starting with digit or underscore. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 1883 radhikaravikumar
SQL Tutorial - Window Functions - Calculate Running Totals, Averages
 
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For the best book on T-SQL click here: https://www.amazon.co.uk/gp/product/0735685045/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0735685045&linkCode=as2&tag=beardeddev-21&linkId=2e450454659d4279f54dd188d24bc011 Another fantastic SQL Tutorial brought to you by BeardedDev. If you are new to working with Window Functions check out this video: https://youtu.be/H6OTMoXjNiM In this video we learn how to use Window Functions to calculate running totals and running averages. This video teaches about Window Frames: Rows Range Preceding Current Row Following Window Frames are a filtered portion of a partition. Window Functions were first introduced in SQL Server 2005 but further enhancements and support was added in SQL Server 2012. Window Functions can only be included within SELECT or ORDER BY clauses. Functions Available: Aggregate - COUNT, SUM, MIN, MAX, AVG Ranking - ROW_NUMBER, RANK, DENSE_RANK, NTILE Offset - FIRST_VALUE, LAST_VALUE, LEAD, LAG Statistical - PERCENT_RANK, CUME_DIST, PERCENTILE_CONT, PERCENTILE_DIST Windows Functions also have FRAMES ROWS RANGE Window Functions are a powerful tool within SQL Server and I am excited to bring more videos and tutorials working with Window Functions in the future. SQL: SELECT Sales_Id , Sales_Date , Sales_Total , SUM(Sales_Total) OVER(ORDER BY Sales_Date ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS [Running Total] FROM dbo.Sales_2 WHERE Sales_Cust_Id = 3 ORDER BY Sales_Date SELECT Sales_Id , Sales_Date , Sales_Total , SUM(Sales_Total) OVER(ORDER BY Sales_Date ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS [Running Total] FROM dbo.Sales_2 WHERE Sales_Cust_Id = 3 ORDER BY Sales_Date SELECT Sales_Id , Sales_Date , Sales_Total , SUM(Sales_Total) OVER(ORDER BY Sales_Date ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) AS [Running Total] FROM dbo.Sales_2 WHERE Sales_Cust_Id = 3 ORDER BY Sales_Date SELECT Sales_Id , Sales_Date , Sales_Total , SUM(Sales_Total) OVER(ORDER BY Sales_Date ROWS UNBOUNDED PRECEDING) AS [Running Total] FROM dbo.Sales_2 WHERE Sales_Cust_Id = 3 ORDER BY Sales_Date SELECT Sales_Id , Sales_Date , Sales_Total , SUM(Sales_Total) OVER(ORDER BY Sales_Date ROWS UNBOUNDED PRECEDING) AS [Running Total] , CAST(AVG(Sales_Total) OVER(ORDER BY Sales_Date ROWS UNBOUNDED PRECEDING) AS DECIMAL(8, 2)) AS [Running Average] FROM dbo.Sales_2 WHERE Sales_Cust_Id = 3 ORDER BY Sales_Date
Views: 4029 BeardedDev
Query to Select top three Max Salary from Table
 
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In this query i'm going to demonstrate you how to find top three salaries in ORACLE 11g step by step.
Views: 4384 OCP Technology

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