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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: 58062 kudvenkat
Rows Unbounded Preceding, Following in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg From SQL Server 2012, This feature enabled to OVER BY Windowing Functions The ROWS limits the rows within a partition by specifying a fixed number of rows preceding or following the current row. Preceding and following rows are defined based on the ordering in the ORDER BY clause ROWS BETWEEN 1 PRECEDING AND CURRENT ROW – Aggregates 2 Between Last Row and Current Row ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING – Aggregates 2 Current Row and Next Row ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW – Aggregates all Rows before Current Row with Current Row ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING – Aggregates all the Rows After Current Row With Current Row ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING – Aggregates all Rows
Views: 1332 IT Port
Difference between rows and range
 
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range vs rows in sql server difference between rows clause and range clause in sql server range clause vs rows clause in sql server sql server running total query running total example in sql server In this video we will discuss the difference between rows and range in SQL Server. This is continuation to Part 116. Please watch Part 116 from SQL Server tutorial before proceeding. Let us understand the difference with an example. We will use the following Employees table in this demo. SQL Script to create the Employees table Create Table Employees ( Id int primary key, Name nvarchar(50), Salary int ) Go Insert Into Employees Values (1, 'Mark', 1000) Insert Into Employees Values (2, 'John', 2000) Insert Into Employees Values (3, 'Pam', 3000) Insert Into Employees Values (4, 'Sara', 4000) Insert Into Employees Values (5, 'Todd', 5000) Go Calculate the running total of Salary and display it against every employee row The following query calculates the running total. We have not specified an explicit value for ROWS or RANGE clause. SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary) AS RunningTotal FROM Employees So the above query is using the default value which is RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW This means the above query can be re-written using an explicit value for ROWS or RANGE clause as shown below. SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RunningTotal FROM Employees We can also achieve the same result, by replacing RANGE with ROWS SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RunningTotal FROM Employees What is the difference between ROWS and RANGE To understand the difference we need some duplicate values for the Salary column in the Employees table. Execute the following UPDATE script to introduce duplicate values in the Salary column Update Employees set Salary = 1000 where Id = 2 Update Employees set Salary = 3000 where Id = 4 Go Now execute the following query. Notice that we get the running total as expected. SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RunningTotal FROM Employees The following query uses RANGE instead of ROWS SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RunningTotal FROM Employees Notice we don't get the running total as expected. So, the main difference between ROWS and RANGE is in the way duplicate rows are treated. ROWS treat duplicates as distinct values, where as RANGE treats them as a single entity. All together side by side. The following query shows how running total changes 1. When no value is specified for ROWS or RANGE clause 2. When RANGE clause is used explicitly with it's default value 3. When ROWS clause is used instead of RANGE clause SELECT Name, Salary, SUM(Salary) OVER(ORDER BY Salary) AS [Default], SUM(Salary) OVER(ORDER BY Salary RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS [Range], SUM(Salary) OVER(ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS [Rows] FROM Employees Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/difference-between-rows-and-range.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/difference-between-rows-and-range_8.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: 33705 kudvenkat
UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING & CURRENT ROW || SQL Server Tutorials
 
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This video shows What is ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING,how to display running totals , how to use current row ,1 preceding and 1 following
Views: 369 naveen kumar
Range Unbounded Preceding, Following in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg From SQL Server 2012, This feature enabled to OVER BY Windowing Functions RANGE refers to those same rows plus any others that have the same matching values RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW – Aggregates all the Value less than Current ROW with Current Range RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING – Aggregates all the Value greater than Current Row with Current Range
Views: 185 IT Port
LAST VALUE function in SQL Server
 
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last_value function in sql server 2008 sql server last_value function returns incorrect data sql server last_value function example sql server last_value function with partition example LAST_VALUE function in SQL Server In this video we will discuss LAST_VALUE function in SQL Server. LAST_VALUE function Introduced in SQL Server 2012 Retrieves the last value from the specified column ORDER BY clause is required PARTITION BY clause is optional ROWS or RANGE clause is optional, but for it to work correctly you may have to explicitly specify a value Syntax : LAST_VALUE(Column_Name) OVER (ORDER BY Col1, Col2, ...) LAST_VALUE function not working as expected : In the following example, LAST_VALUE function does not return the name of the highest paid employee. This is because we have not specified an explicit value for ROWS or RANGE clause. As a result it is using it's default value RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW. SELECT Name, Gender, Salary, LAST_VALUE(Name) OVER (ORDER BY Salary) AS LastValue FROM Employees LAST_VALUE function working as expected : In the following example, LAST_VALUE function returns the name of the highest paid employee as expected. Notice we have set an explicit value for ROWS or RANGE clause to ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING This tells the LAST_VALUE function that it's window starts at the first row and ends at the last row in the result set. SELECT Name, Gender, Salary, LAST_VALUE(Name) OVER (ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS LastValue FROM Employees LAST_VALUE function example with partitions : In the following example, LAST_VALUE function returns the name of the highest paid employee from the respective partition. SELECT Name, Gender, Salary, LAST_VALUE(Name) OVER (PARTITION BY Gender ORDER BY Salary ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS LastValue FROM Employees Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/lastvalue-function-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/lastvalue-function-in-sql-server_9.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 Full SQL Server Course https://www.youtube.com/playlist?list=PL4cyC4G0M1RQ_Rm52cQ4CcOJ_T_HXeMB4 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: 32887 kudvenkat
SQL Partition By Explained
 
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Using Oracle's SQL, I'll explain how to use Partition By. This will be similar in other SQL engines that have the Partition By keyword.
Views: 28426 Pretty Printed
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: 2720 BeardedDev
SQL Tutorial - Window Functions
 
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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. In this video we begin to explore Window Functions and their purpose within SQL Server. Window Functions are used for performing data analysis calculations and address an important need compared to the GROUP BY clause that we are able to return the underlying data in the same query. This video shows an example of the differences between the GROUP BY clause and Window Functions. Window Functions were first introduced in SQL Server 2005 but further enhancements and support was added in SQL Server 2012. We look at the OVER clause and PARTITION BY. Window Functions can only be included within SELECT or ORDER BY clauses. Functions Available: Aggregate - COUNT, SUM, MIN, MAX, AVG 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. Code: WITH CTE AS ( SELECT Sales_Id , SUM(Line_Total) AS Total FROM Sales_Details GROUP BY Sales_Id ) SELECT * FROM CTE AS A INNER JOIN Sales_Details AS B ON A.Sales_Id = B.Sales_Id SELECT Sales_Id , Sales_Date , Item , Price , Quantity , Line_Total , COUNT(Line_Total) OVER(PARTITION BY Sales_Id) AS Line_Count , SUM(Line_Total) OVER(PARTITION BY Sales_Id) AS Sales_Total , SUM(Line_Total) OVER(PARTITION BY Sales_Date) AS Daily_Total , SUM(Line_Total) OVER() AS Total FROM Sales_Details ORDER BY Sales_Total
Views: 9435 BeardedDev
FIRST_VALUE and LAST_VALUE Analytic Functions in Oracle Database
 
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FIRST_VALUE and LAST_VALUE in Oracle Database Oracle FIRST Function Oracle last Function
Views: 57 Adam Tech
Window Function Simple Example
 
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This video shows a very simple example of the Windows Function using the COUNT aggregate. I attempt to illustrate with this example how you can combine different granular aggregates on the same detail rows of a single output result. This example only scratches the surface of the beauty of the Windows Function. Its elegant, versatile and powerful (just like a fancy sport car, but no extra cost) and yet many veteran sql developers never have used it. It makes the Group By Clause almost extinct. Talk to someone who has just discovered the Windows Function, and you will usually find someone who will tell you how great it is, but not always able to give examples off the top of their head on why.
Views: 291 Coopman Greg
Analytic Functions: Databases for Developers #13
 
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Analytic or windowing functions are one of the most powerful features of SQL. They allow you do to things like: - Add running totals - Generate row numbers - Calculate moving averages This video explains how to use them to analyze your data. Want to learn more? Take the course! https://devgym.oracle.com/pls/apex/dg/class/databases-for-developers-next-level.html Further reading: Analytic functions in the docs: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Analytic-Functions.html Analytic SQL video series: https://www.youtube.com/watch?v=0cjxYMxa1e4&list=PLJMaoEWvHwFIUwMrF4HLnRksF0H8DHGtt Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com Twitter: https://twitter.com/ChrisRSaxon Daily SQL Twitter tips: https://twitter.com/SQLDaily All Things SQL blog: https://blogs.oracle.com/sql/ ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 953 The Magic of SQL
SQL Advanced #16: Windowing Functions
 
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This time we talk about #Windowing functions in #SQL Server. They are useful when we want to access grouped or aggregated data on the current row context in order to do calculations or other logics. Blog that explains rows unbounded precding statements: https://blog.sqlauthority.com/2011/11/10/sql-server-over-clause-with-first-_value-and-last_value-analytic-functions-introduced-in-sql-server-2012-rows-between-unbounded-preceding-and-unbounded-following/ World Wide Importers Database: https://github.com/Microsoft/sql-server-samples/releases/download/wide-world-importers-v1.0/WideWorldImporters-Full.bak Definition of YTD: https://en.wikipedia.org/wiki/Year-to-date Discord: https://discord.gg/5aWE33f
Views: 422 SQL TV
Range Unbounded Preceding, Following in SQL Server Tamil
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg From SQL Server 2012, This feature enabled to OVER BY Windowing Functions RANGE refers to those same rows plus any others that have the same matching values RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW – Aggregates all the Value less than Current ROW with Current Range RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING – Aggregates all the Value greater than Current Row with Current Range Explained in Tamil
Views: 85 IT Port
What is the view in oracle? simple view? complex view?
 
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What is view? What is Simple View? What is Complex View? Are DML's allowed on view? Differance between "Simple" & "Complex" view? List of all the SQL and PLSQL interview questions @ https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 234 Siva Academy
Calculating RunningTotal | Cummulative Total in SQL
 
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In this short video we learn on how to compute a Running Total field in SQL. -- Step 1: Create the Temp Dataset if object_id ('tempdb..#RunningTotal') is not null drop table #RunningTotal Create table #RunningTotal (id int,[Value] int) go insert into #RunningTotal (id,[Value]) values (0,1) insert into #RunningTotal (id,[Value]) values (1,1) insert into #RunningTotal (id,[Value]) values (1,1) insert into #RunningTotal (id,[Value]) values (1,1) insert into #RunningTotal (id,[Value]) values (1,1) insert into #RunningTotal (id,[Value]) values (2,1) insert into #RunningTotal (id,[Value]) values (2,1) insert into #RunningTotal (id,[Value]) values (2,1) insert into #RunningTotal (id,[Value]) values (3,1) insert into #RunningTotal (id,[Value]) values (3,1) -- Step 2: Verify the test data select * from #RunningTotal -- Step 3: Running Total Computation select id, [value], sum([value]) over (order by id rows unbounded preceding) as RunningTotal ,sum([value]) over (partition by id order by id rows unbounded preceding) as RunningTotal_PerId --,sum([value]) over (partition by id order by id range unbounded preceding) as RangeOver_RunningTotal_PerId --,sum([value]) over (order by id range unbounded preceding) as RangeOver_RunningTotal_PerId from #RunningTotal
Views: 62 Siddharth Mishra
SQL Server Implicit Conversions Hurt Performance
 
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Ever wonder why your carefully crafted indexes aren't getting used? The problem might be column-side implicit conversions. Links below. Blog post: https://blog.bertwagner.com/are-your-indexes-being-thwarted-by-mismatched-datatypes-d3985375e528 Microsoft's chart of data type conversions: https://docs.microsoft.com/en-us/sql/t-sql/data-types/data-type-conversion-database-engine Jonathan Kehayias's script for finding column side implicit conversions in your plan cache: https://www.sqlskills.com/blogs/jonathan/finding-implicit-column-conversions-in-the-plan-cache/ Follow me on Twitter: https://twitter.com/bertwagner Want to receive the latest weekly blog posts and videos in your inbox? Sign up for the newsletter here: https://upscri.be/c77fc8/
Views: 639 Bert Wagner
SQL Tutorial - Window Functions - Ranking
 
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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 explore ranking functions available as part of Window Functions: ROW_NUMBER() RANK() DENSE_RANK() NTILE() This tutorial shows an example of when to use each ranking function and the differences between them. Window Functions were first introduced in SQL Server 2005 but further enhancements and support was added in SQL Server 2012. We look at the OVER clause and PARTITION BY. 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. ROW_NUMBER - unique incrementing integers RANK - same rank for same values DENSE_RANK - same rank for same values NTILE - assigns tile numbers based on number of tiles requested SQL: SELECT Sales_Id , Sales_Total , ROW_NUMBER() OVER(ORDER BY Sales_Total DESC) AS rownum , RANK() OVER(ORDER BY Sales_Total DESC) AS rnk , DENSE_RANK() OVER(ORDER BY Sales_Total DESC) AS dense , NTILE(3) OVER(ORDER BY Sales_Total DESC) AS ntle FROM dbo.Sales_2 SELECT Sales_Id , NTILE(10) OVER(ORDER BY Sales_Total DESC) AS ntle FROM dbo.Sales_2
Views: 2230 BeardedDev
abs, sin & cos | sql functions | oracle database 11g version 2 |
 
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executed in oracle database 11g version 2
Views: 151 Education 4u
FIRST_VALUE, LAST_VALUE in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg From SQL Server 2012, This feature enabled to OVER BY Windowing Functions FIRST_VALUE – Returns the First Value in an Ordered set of Values LAST_VALUE – Returns the Last Value in an Ordered set of Values In this video you can check with Simplest Example
Views: 362 IT Port
LEAD, LAG in SQL Server
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg From SQL Server 2012, this feature enhanced to OVER Windowing Functions Accesses data from a subsequent row in the same result set without the use of a self-join. LEAD provides access to a row at a given physical offset that follows the current row. LAG provides access to a row at a given physical offset that before the current row. Using this analytic function in a SELECT statement, We can compare value of current row with Previous Or Following Rows.
Views: 344 IT Port
Merge Range - Partition in SQL Server - Part 4
 
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Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg Drops a partition and merges any values that exist in the partition into one of the remaining partitions. RANGE (boundary_value) must be an existing boundary value, into which the values from the dropped partition are merged. The filegroup that originally held boundary_value is removed from the partition scheme unless it is used by a remaining partition, or is marked with the NEXT USED property. Alter Partition Function Part_Function_Name Merge Range ()
Views: 163 IT Port
SQL Snippets: Case When Statements
 
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Stephanie and Lex introduce 'CASE WHEN' statements, SQL's method of managing IF/THEN logic based on conditional statements. For any row, if the conditional statements are met, the output is given by the 'THEN' command. The 'UNION' operator is included in the query to integrate all rows in the result sets of two queries in this example. Can't get enough PDQ? Commence stalking in 3... 2... 1... - Twitter - General info: @admarsenal - All things PDQ Deploy: @pdqdeploy - All things PDQ Inventory: @pdqinventory - Package Library updates: @packagelibrary - Alerts and Technical [email protected] Facebook: https://www.facebook.com/PDQlive/ Reddit: https://www.reddit.com/r/PDQDeploy/ LinkedIn: https://www.linkedin.com/company/17961724/ Our blog: https://www.pdq.com/blog/ Instagram: @pdqlife
Views: 134 PDQ.com
Ranking Function in SQL SERVER
 
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In this video you can learn about various Ranking function used in sql server Like Rank(),DENSE RANK() , ROW NUMBER , NTILE() with real practical example. Download Practical From: https://www.mediafire.com/folder/7l4jxem8l444s/Rank If you really like this video don't forget to subscribe my channel.
Views: 272 Dhruvin Shah
T-SQL: Running Totals
 
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T-SQL: Running Totals Please check my blog azizsharif.blogspot.com for more videos!
Warren Hastings by Thomas Babington Macaulay
 
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"Warren Hastings" is Chapter IV of Thomas Macaulay's Critical and Historical Essays, vol. III. It first appeared in the Edinburgh Review of October 1841 as a review of Memoirs of the Life of Warren Hastings, first Governor-General of Bengal. Compiled from Original Papers, by the Rev. G. R. Gleig, M. A. 3 vols. 8vo. London: 1841. This essay on is generally considered to be one of the finest by the great historian and great literary stylist, Thomas Babington Macalay. Macaulay himself served in India from 1834 to 1838, and as a Whig and a believer in progress in the nineteenth century sense, he urged that Indians be trained in useful knowledge -- western, that is, and particularly British learning, easily dismissing traditional Indian education as of no value. Though he is well aware of Hastings’s flaws, he nevertheless greatly admires him as one of the creators of Britain’s Asian empire. Today’s critics, of course, can easily dismiss both men as “Orientalists” (to use Edwin Said’s terminology) but they both remain essential to an understanding of nineteenth century British history and culture. Chapter 1 - 00:00 Chapter 2 - 38:17 Chapter 3 - 1:07:07 Chapter 4 - 1:38:30 Chapter 5 - 2:12:07 Chapter 6 - 2:44:18 Chapter 7 - 3:19:18 Chapter 8 - 3:55:12 Chapter 9 - 4:25:40
CLEOPATRA Audiobook  by Jacob Abbott | Audiobook with subtitles
 
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A biography of the famous Cleopatra of Egypt, written in a manner, equally interesting to children and to adults. Cleopatra Audiobook Jacob ABBOTT Genre(s): Children's Fiction, *Non-fiction, Biography & Autobiography Chapters: 00:00:27 | 01 - Preface, The Valley of the Nile 00:35:02 | 02 - The Ptolemies 01:08:41 | 03 - Alexandria 01:45:35 | 04 - Cleopatra's Father 02:15:59 | 05 - Accession to the Throne 02:44:25 | 06 - Cleopatra and Caesar 03:10:11 | 07 - The Alexandrine War 03:42:30 | 08 - Cleopatra a Queen 04:06:16 | 09 - The Battle of Philippi 04:34:21 | 10 - Cleopatra and Antony 05:11:40 | 11 - The Battle of Actium 05:48:44 | 12 - The End of Cleopatra Our Custom URL : https://www.youtube.com/c/AudiobookAudiobooks Subscribe To Our Channel: https://www.youtube.com/c/AudiobookAudiobooks?sub_confirmation=1 ----------------------------------------------------------------------------------------------------- Audio Book Audiobooks All Rights Reserved. This is a Librivox recording. All Librivox recordings are in the public domain. For more information or to volunteer visit librivox.org.
Views: 2749 Audio book Audiobooks
Crime and Punishment Audiobook by Fyodor Dostoyevsky | Audiobook with subtitles | Part 2
 
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Crime and Punishment is the second of Fyodor Dostoyevsky's full-length novels following his return from 5 years of exile in Siberia, and is considered the first great novel of his "mature" period of writing. The novel focuses on the mental anguish and moral dilemmas of Rodion Raskolnikov, an impoverished ex-student in St. Petersburg who formulates and executes a plan to kill an unscrupulous pawnbroker for her cash. Raskolnikov, in an attempt to defend his actions, argues that with the pawnbroker's money he can perform good deeds to counterbalance the crime while ridding the world of a vermin, and to test a theory of his that some people are naturally superior and have the right to commit crimes if it is in pursuit of a higher purpose. ( Mark Nelson) Crime and Punishment (Version 3) Fyodor DOSTOYEVSKY , translated by Constance GARNETT Chapters: 0:20 | Part 2 Chapter 7 44:56 | Part 3 Chapter 1 1:20:59 | Part 3 Chapter 2 1:49:42 | Part 3 Chapter 3 2:24:16 | Part 3 Chapter 4 2:52:41 | Part 3 Chapter 5 3:39:52 | Part 3 Chapter 6 4:07:29 | Part 4 Chapter 1 4:38:36 | Part 4 Chapter 2 5:08:53 | Part 4 Chapter 3 5:29:16 | Part 4 Chapter 4 6:10:27 | Part 4 Chapter 5 6:54:59 | Part 4 Chapter 6 7:13:51 | Part 5 Chapter 1 Our Custom URL : https://www.youtube.com/c/AudiobookAudiobooks Subscribe To Our Channel: https://www.youtube.com/c/AudiobookAudiobooks?sub_confirmation=1 ----------------------------------------------------------------------------------------------------- Audio Book Audiobooks All Rights Reserved. This is a Librivox recording. All Librivox recordings are in the public domain. For more information or to volunteer visit librivox.org.
Sketches of the Fair Sex, in All Parts of the World | Audiobook with subtitles
 
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Sketches Of The Fair Sex ANONYMOUS ( - ) Sketches of the fair sex, in all parts of the world. To which are added rules for determining the precise figure, the degree of beauty, the habits, and the age of women, notwithstanding the aids and disguise of dress. It is our design to present a pleasing and interesting miscellany, which will serve to beguile the leisure hour, and will at the same time couple instruction with amusement. We have used but little method in the arrangement: Choosing rather to furnish the reader with a rich profusion of narratives and anecdotes, all tending to illustrate the FEMALE CHARACTER, to display its delicacy, its sweetness, its gentle or sometimes heroic virtues, its amiable weaknesses, and strange defects—than to attempt an accurate analysis of the hardest subject man ever attempted to master, viz—WOMAN. (Summary from the book) Genre(s): Humorous Fiction, *Non-fiction, Psychology Chapters: 0:20 | 1. In the following pages. The first woman and her antediluvian descendants. Woman in the patriarchal ages. Women of ancient Egypt. Modern Egyptian women. Persian women. 17:02 | 2. Grecian women. Grecian courtesans. 23:50 | 3. Roman women. Laws and customs respecting the roman women. 37:44 | 4. Women in savage life. Eastern women. 50:40 | 5. Chinese woman. African women. 58:36 | 6. Great enterprises of women in the times of chivalry. Other particulars respecting females during the age of chivalry. 1:11:54 | 7. French women. Italian women. 1:22:24 | 8. Spanish women. English women. Russian women. 1:34:42 | 9. The idea of female inferiority. Female simplicity. 1:52:19 | 10. The mild magnanimity of women. Female delicacy. Influence of female society. 2:11:53 | 11. Monastic life. Degrees of sentimental attachment at different periods. 2:28:24 | 12. German women. A view of matrimony in three different lights. Betrothing and marriage. 2:42:20 | 13. Female friendship. 2:48:49 | 14. On the choice of a husband. 3:09:35 | 15. A letter to a new married man. Garrick's advice to married ladies. 3:19:08 | 16. Origin of nunneries. Description of the great convent at Ajuda in Rio Janerio. Ceremony of the initiation of a nun. 3:28:22 | 17. Wedded love is infinitely preferable to variety. Italian debauchery. Naked fakiers. Mahometan plurality of wives. 3:39:26 | 18. Women of otaheite. Crim. Con. Of Claudius and Pompeii. A word to a very nice class of ladies. 3:49:00 | 19. Custom in the moghul empire. Custom of the muscovites. Sale of children to purchase wives. Polygamy and concubinage. Eunuchs. Girls sold at auction. Sale of a wife. 4:05:04 | 20. Punishment of adultery. Anecdote of cæsar. Power of marrying. 4:13:04 | 21. Celibacy of clergy. Desperate act of euthira. 4:19:56 | 22. Luxurious dress of Grecian ladies. Grecian courtship. 4:26:05 | 23. Power of philters and charms. Eastern courtship. Long hair of saxons and danes. 4:33:11 | 24. St. Valentine's day. Courts of love. Immodesty at Babylon. Indecency at Adrianople. 4:41:12 | 25. Ancient Swedish courtship. Lapland and Greenland lady. 4:46:57 | 26. Education of women in Asia and Africa. Religious festivals of the Greeks. The deaths of Lucretia and Virginia. On looking at the picture of a beautiful female. 4:59:06 | 27. Art of determining the precise figure, the degree of beauty, the habits, and the age, of women, notwithstanding the aids and disguises of dress. 5:18:46 | 28. The ideal of female beauty; or a description of the famous statue of the Venus de Medici. The first kiss of love. The death of Cleopatra. 5:35:39 | 29. An essay on matrimony (part 1). 5:51:52 | 30. An essay on matrimony (part 2). Our Custom URL : https://www.youtube.com/c/AudiobookAudiobooks Subscribe To Our Channel: https://www.youtube.com/c/AudiobookAudiobooks?sub_confirmation=1 ----------------------------------------------------------------------------------------------------- Audio Book Audiobooks All Rights Reserved. This is a Librivox recording. All Librivox recordings are in the public domain. For more information or to volunteer visit librivox.org.
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Life on the Mississippi By Mark Twain [Part 4/5] VideoBook
 
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Life on the Mississippi is a memoir by Mark Twain detailing his days as a steamboat pilot on the Mississippi River before the American Civil War. A good portion of the work also deals with his post-war visit to the "old haunts". Download our Channel App Here To Watch Directly From your Android Device https://play.google.com/store/apps/details?id=com.MysticBookz.blogspot Visit our Website to see a collection http://www.mysticbooks.org Like us on Facebook here https://www.facebook.com/MysticBooks.org Keep updated here https://plus.google.com/u/0/b/104517179947301552098/104517179947301552098/posts
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Gulliver's Travels Audiobook by Jonathan Swift | Audiobook with subtitles | Part 2
 
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Gulliver's Travels (1726, amended 1735), officially Travels into Several Remote Nations of the World, is a novel by Jonathan Swift that is both a satire on human nature and a parody of the "travelers' tales" literary sub-genre. It is widely considered Swift's magnum opus and is his most celebrated work, as well as one of the indisputable classics of English literature. (Summary from Wikipedia) Gulliver's Travels Jonathan SWIFT Genre(s): Action & Adventure Fiction, Fantastic Fiction, Satire Our Custom URL : https://www.youtube.com/c/AudiobookAudiobooks Subscribe To Our Channel: https://www.youtube.com/c/AudiobookAudiobooks?sub_confirmation=1 ----------------------------------------------------------------------------------------------------- Audio Book Audiobooks All Rights Reserved. This is a Librivox recording. All Librivox recordings are in the public domain. For more information or to volunteer visit librivox.org.