2020-09-22
903 reads
2020-09-22
903 reads
2018-03-27
1,342 reads
2017-12-12
1,088 reads
2016-03-24
1,703 reads
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.
2016-03-08
6,672 reads
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.
2015-03-18
11,340 reads
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.
2015-02-11
12,133 reads
Concatenate columns grouping on Index column (approach for summing varchar columns by grouping on index)
2016-05-12 (first published: 2009-09-13)
1,556 reads
By Chris Yates
For decades, enterprises have approached data management with the same mindset as someone stuffing...
Truncate Table Pitfalls Truncating a table can be gloriously fast—and spectacularly dangerous when used carelessly....
You can find all the session materials for the presentation “Indexing for Dummies” that...
Comments posted to this topic are about the item DBCC CHECKIDENT
Comments posted to this topic are about the item Distributed Availability Group Health: T-SQL...
Hi, our peer who owns a remote mysql server from which we extract warehouse...
What is returned as a result set when I run this command without a new seed value?
See possible answers