SQL NULL Comparison Mistakes: Why = NULL Doesn't Work!

SQL NULL Comparison Mistakes: Why = NULL Doesn't Work!

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This weird SQL NULL logic cost me hours | SQL 3-valued logic
This weird SQL NULL logic cost me hours | SQL 3-valued logic
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This weird SQL NULL logic cost me hours | SQL 3-valued logic

This weird SQL NULL logic cost me hours | SQL 3-valued logic
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