SQL Server has two different ways to comment code. Let us learn all of them here in this blog post. Various the options in the blog posts.
SET_BIT: Return a Changed Value Without Updating Data
SET_BIT returns a value with one bit set or cleared. Compare the default one with explicit zero, and keep scalar calculation separate from updates.
Replacing a Cursor With a Set-Based Query
Replacing a cursor with one set-based update can simplify row processing; this worked example shows correctness checks and fair timing.
XQuery FLWOR: Filter and Rebuild a Small XML Result
XQuery FLWOR can iterate over source items and construct a different XML result. I use it to filter three products and reorder the survivors. The new elements deliberately differ from the source elements.
SQL SERVER – 2005 – Server and Database Level DDL Triggers Examples and Explanation
DDL triggers fire when someone changes the schema. How to write one, what EVENTDATA gives you, and how to get back in if one locks you out.
SQL SERVER – UDF – Function to Get Previous And Next Work Day – Exclude Saturday and Sunday
Inspired by a ColdFusion post by Ben Nadel, here is the UDF I use to get the previous or Next Work Day for any date, skipping Saturday and Sunday.
SQL SERVER – UDF – Get the Day of the Week Function
Get the day of the week as a name in SQL Server: a UDF using DATEPART with CASE, plus the simpler DATENAME(dw, GETDATE()) a reader suggested.