Author: SSWUG Research

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SQL Tip: COALESCE

(Ember Crooks) I haven’t generally been known for my SQL tips. I can find my way around SQL decently enough, but for years, I didn’t do much of it. I’ve used it more and more as the years have gone by as I have moved out of a stictly physical/system DBA role and into a more mixed role where I […]

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SQL INTERSECT Queries

(Mike Chapple) SQL’s INTERSECT operation allows you to identify the rows that appear in multiple source tables or SELECT query results. This set of common rows is known as the intersection of the two tables. The INTERSECT operation is related to the UNION operation that provides a listing of all of