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Tarik Billa

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explain

What does eq_ref and ref types mean in MySQL explain

September 4, 2023 by Tarik

I’ll try an explanation… eq_ref – imagine that you have two tables. Table A with columns (id, text) where id is a primary key. Table B with the same columns (id, text) where id is a primary key. Table A has the following data: 1, Hello 2, How are Table B has the following data: … Read more

Categories mysql Tags database, explain, mysql, optimization Leave a comment

Tarik Billa

Software Engineer
tarikbilla@gmail.com
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