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QWhich DDL statement is used to add a primary key constraint to a table in MySQL?

ID: #15453 Data definition language - MySQL 90 views
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#15453Q ID
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Data definition language - MySQLTopic
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  • A ADD CONSTRAINT ✔ ✖
  • B CREATE CONSTRAINT ✔ ✖
  • C MODIFY CONSTRAINT ✔ ✖
  • D PRIMARY KEY ✔ ✖
Correct Answer: Option D

Explanation

The PRIMARY KEY statement in MySQL is used to add a primary key constraint to a table. It specifies one or more columns that uniquely identify each record in the table.

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