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MySQL multi column in operation
2022-07-02 09:21:00 【Protect our fat tiger】
grammar :
SELECT * FROM surface WHERE ( Column 1, Column 2) in(( Column 1 value , Column 2 value ))
SELECT * FROM surface WHERE ( Column 1, Column 2, Column n) in(( Column 1 value 1, Column 2 value 1, Column n value 1),( Column 1 value 2, Column 2 value 2, Column n value 2))
Example :
SELECT * from base_vehicle WHERE (plate,color) in ((" cloud BQ6541"," blue "))
SELECT * from base_vehicle WHERE (plate,color) in ((" cloud BQ6541"," blue "),(" sichuan E68178"," yellow "))
Explain to perform , Check the index hit
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