Database Languages in SQL › DDL - Data Definition Language › Question #15453
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QWhich DDL statement is used to add a primary key constraint to a table in MySQL?

ID: #15453 DDL - Data Definition Language 100 views
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DDL - Data Definition LanguageTopic
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  • A ADD CONSTRAINT ✔ ✖
  • B CREATE CONSTRAINT ✔ ✖
  • C MODIFY CONSTRAINT ✔ ✖
  • D PRIMARY KEY ✔ ✖
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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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