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Results tagged with mysql-5.6
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user 8155
MySQL version 5.6 - please also tag with mysql for search purposes.
5
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answer
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Why does InnoDB table by default uses the UNIQUE constraint instead of the PRIMARY KEY?
In my MySQL database I have a table with 4 columns, the PRIMRAY KEY, two columns with a FOREIGN KEY CONSTRAINT and one UNIQUE index on all fields except for the PRIMARY KEY.
The SHOW CREATE TABLE:
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