You can drag and drop fields to make new tables, and to move fields between tables. You can also rename the tables, and set primary key fields.

既可以拖放字段形成新表，也可以在两表之间移动字段，还可以重命名表和设置主键字段。

youdao

An entity's primary key is the attribute or set of attributes that distinguish one instance of the entity from another.

实体的主键是使该实体的一个实例区别于其他实例的一个或一组属性。

youdao

The "id" column will be set as the primary key and will be auto-incrementing.

“id”列将会被设置为主键，并且自增。

youdao