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Why a LEFT JOIN With a WHERE Clause Becomes an Inner Join

Byali

Jul 21, 2026 #SQL
Why a LEFT JOIN With a WHERE Clause Becomes an Inner Join
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The keyword LEFT stops working when WHERE mentions the right-hand table. 5 test users, 7 rows become 3. Verified in MariaDB.

Continue reading on Medium »

 

 The keyword LEFT stops working when WHERE mentions the right-hand table. 5 test users, 7 rows become 3. Verified in MariaDB.Continue reading on Medium » Read More Sql on Medium 

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