Category: Level

Tip: Concatenate rows with XML, or COALESCE

Edit: I went and changed the first query without paying close enough attention. I’ve fixed the explanation and the query. Concatenate rows with XML I still reference my Forgotten T-SQL Cheat Sheet, especially for the XML trick that turns a set of rows into a list. The T-SQL Cheat Sheet example uses a parent-child table combination, […]

Tip: COLLATE for “Cannot resolve collation conflict” error

Some data professionals are VERY well versed with collation, and some never ever have to touch the concept. That second group tends works in shops that leave everything on default.  A huge portion of my career has been spent as a member of that “Custom collation? What custom collation?” crowd, and so I rarely get an […]