为帮助您创建这些对象，可视化数据库工具提供三种设计器：数据库关系图设计器、表设计器及查询和视图设计器。

To help you create these objects, Visual Database Tools provides three designers: the Database Diagram, Table, and Query and View designers.

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确保没有在数据库关系图设计器中选择任何对象，方法是在该设计器中对象以外的任意位置单击。

Make sure that no objects are selected in Database Diagram designer by clicking anywhere within the designer except on an object.

youdao

确保没有在数据库关系图设计器中选择任何对象，方法是在该设计器中对象以外的任意位置单击。

Make sure that no objects are selected in Database Diagram designer by clicking anywhere within the designer except on an object.

youdao