Watch JOINs and UNIONs - How Do I Know When to Use a JOIN or UNION Video

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Added By: LearnSqlServerDotCom

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So many newbies to Transact-SQL have difficulties determing when to use a UNION or a JOIN to satisy their query. This video teaches you some guidelines to help you quickly and easily identify whether your query will likely need to become a JOIN or UNION. Disclaimer: these are just guidelines and the...

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