NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: Oracle | EXPLAIN EXTENDED

NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: Oracle | EXPLAIN EXTENDED

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日期:2026-04-19
How to create fast database queries ... NOT IN is exactly what ANTI JOIN is designed for, that's why it's no surprise to see that Oracle uses ANTI JOIN for NOT IN. NOT IN is semantically different from the LEFT JOIN / IS NULL and NOT EXISTS since its logi...看更多