In Table Designer, click the row selector for the database column you want to define as the primary key.

在表设计器中，单击要定义为主键的数据库列的行选择器。

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In Table Designer, click the row selector for the database column you want to define as the primary key.

在表设计器中，单击要定义为主键的数据库列的行选择器。

youdao