One of my favorite uses of set-data manipulation involves using NULL values to my advantage; from NULLIF to COALESCE, we’ll explore some creative use of null values. These tips & tricks aren’t just a way to convert a NULL to
One of my favorite uses of set-data manipulation involves using NULL values to my advantage; from NULLIF to COALESCE, we’ll explore some creative use of null values. These tips & tricks aren’t just a way to convert a NULL to another value, they’re a multi-purpose, insanely powerful way to massage and combine data.
Level Set: Wh