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Editorial Team
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Asked: 2026-06-10T05:07:07+00:00

Is there a performance difference between the two queries below? SELECT * FROM mytable

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Is there a performance difference between the two queries below?

SELECT * FROM mytable WHERE name IN ('ABC');

SELECT * FROM mytable WHERE name = ('ABC');
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  1. Editorial Team

    no there is no difference between IN and = for single value. you can check query execution plan using EXPLAIN EXTENDED:

    EXPLAIN EXTENDED SELECT * FROM mytable WHERE name IN ('ABC');

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