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Articles with tag GROUP BY Rss

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Bones of SQL – Grouping By User-Defined Calendar Periods

Although it is common to group by periods such as Week, Month, or Quarter, sometimes alternative periods are needed. This simple technique lets you split a year into periods with any number of days.  Read more...
By Bob Hovious 2016/09/26 | Source: SQLServerCentral.com | Category: date manipulation
Rating: |  Discuss |   Briefcase | 1,419 reads

SQL GROUP BY Basics

It sometimes pays to go back and look at what you think you already know about SQL. Joe Celko gives a quick revision of the GROUP BY and HAVING clauses in SQL that are the bedrock of any sort of analysis of data, and comes up with some nuggets that may not be entirely obvious.  Read more...
By Additional Articles 2016/03/08 | Source: SimpleTalk | Category: group by
Rating: (not yet rated)  Rate this |   Briefcase | 6,475 reads

Using the ROLLUP, CUBE, and GROUPING SETS Operators

Greg Larsen discusses the ROLLUP, CUBE and GROUPING SETS operators. These operators are used with the GROUP BY clause and allow you to create subtotals, grand totals and superset of subtotals. Read on to find out more about these additional GROUP BY operators.  Read more...
By Additional Articles 2015/03/18 | Source: Database Journal | Category: group by
Rating: (not yet rated)  Rate this |   Briefcase | 11,000 reads

Using SQL Server's GROUP BY clause to Summarize your Data

SQL Server’s GROUP BY clause provides you a way to aggregate your SQL Server data and to group data on a single column, multiple columns, or even expressions. Greg Larsen discusses how to use the GROUP by clause to summarize your data.  Read more...
By Additional Articles 2015/02/11 | Source: Database Journal | Category: group by
Rating:  Rate this |   Briefcase | 11,772 reads

Find Customers Who Bought "A" and "B" But Not "C" (SQL Spackle)

A simple problem that can become complex in T-SQL. How do you find the rows that match 2 conditions, but not a third, in an efficient manner. MVP Jeff Moden gives us a solution.  Read more...
By Jeff Moden 2014/06/06 (first published: 2012/03/29) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 22,231 reads

Find Customers Who Bought "A" and "B" But Not "C" (SQL Spackle)

A simple problem that can become complex in T-SQL. How do you find the rows that match 2 conditions, but not a third, in an efficient manner. MVP Jeff Moden gives us a solution.  Read more...
By Jeff Moden 2014/06/06 (first published: 2012/03/29) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 22,231 reads

Limit Groups by Number Using Transact-SQL or MS Access

You can easily limit or group a recordset, but doing both to the same recordset takes a bit of hand coding. Find out how both SQL Server and MS Access can handle the task.  Read more...
By Additional Articles 2009/07/07 | Source: DevX | Category: t-sql
Rating: (not yet rated)  Rate this |   Briefcase | 2,149 reads
   Items 1 to 7 of 7