Database Languages in SQL › Data Constraints and Integrity - MySQL › Question #15507
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QWhich type of data constraint in MySQL allows you to define custom data validation rules?

ID: #15507 Data Constraints and Integrity - MySQL 93 views
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#15507Q ID
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Data Constraints and Integrity - MySQLTopic
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  • A PRIMARY KEY ✔ ✖
  • B UNIQUE ✔ ✖
  • C CHECK ✔ ✖
  • D INDEX ✔ ✖
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Explanation

The CHECK constraint in MySQL allows you to define custom data validation rules. It checks the value being inserted or updated against a specified condition or expression.

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