Category: MySQL

  • MySQL WHERE id IN and WHERE EXISTS – What to choose between? (Performance)

    MySQL WHERE id IN and WHERE EXISTS – What to choose between? (Performance)

    The choice between WHERE id IN and WHERE EXISTS depends on the specific requirements of your query and the characteristics of your data. Both approaches have their own advantages and considerations. WHERE id IN (SELECT … FROM anotherTable WHERE ..) WHERE EXISTS (SELECT * FROM anotherTable WHERE …) Consider the following factors when choosing between…