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UPDATE with Subquery Returning No Rows in MySQL

Author: FYIcenter.com
Date: 2018/1/7 19:00:00
Summary: What Happens If the UPDATE Subquery Returns No Rows in MySQL? If you use a subquery to assign new values in the SET clause in an UPDATE statement, and the subquery returns no rows for an outer row, MySQL will provide a NULL value to the SET clause. The tutorial exercise below shows you a good exampl... - Rank: 257; Updated: 2018-01-08 -> Source
What Happens If the UPDATE Subquery Returns No Rows in MySQL? If you use a subquery to assign new values in the SET clause in an UPDATE statement, and the subquery returns no rows for an outer row, MySQL will provide a NULL value to the SET clause. The tutorial exercise below shows you a good exampl... - Rank: 257; Updated: 2018-01-08 -> Source
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