Create a primary key on the last_name and first_name columns using a PRIMARY KEY clause : Primary Key « Key « SQL / MySQL

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SQL / MySQL » Key » Primary Key

Create a primary key on the last_name and first_name columns using a PRIMARY KEY clause

     

mysql>

mysql> CREATE TABLE people

    -> (

    ->     last_name  CHAR(30) NOT NULL,

    ->     first_name CHAR(30) NOT NULL,

    ->     PRIMARY KEY (last_name, first_name)

    -> );

Query OK, 0 rows affected (0.00 sec)



mysql>

mysql> drop table people;

Query OK, 0 rows affected (0.00 sec)

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