Ad Hoc Functions In T-SQL
Kevin Feasel
2018-09-17
T-SQL
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Riley Major shows a couple techniques for including ad hoc functions in T-SQL, namely Common Table Expressions and the APPLY operator: It’s helpful to think of eachAPPLYas a pipe operation, taking the values from the previous derived table and passing them into the next to be manipulated. Programming T-SQL in this manner (loosely) approximates modern […] Read More Multiple Mentions Of A Column In An UPDATE StatementKevin Feasel
2018-09-14
Syntax , T-SQL
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Doug Lane walks us through various scenarios with updates including the same column multiple times: An application developer came to me with this question recently: “Can I use the same column twice in a SQL UPDATE statement?” Yes and no. It depends on what you mean by “use”. Read on to see what Doug means.
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