Access和SQL server开启表间关系,并实现更新或删除母表数据自动
1.Access 开启 表间 关系 ,并 实现 删除 母表 数据 自动 删除 子表 数据 : 在Tables等界面 - 右键 - Relationships... - 弹出Relationships窗口 - 选择需要关联的表 - 双击Relationships窗口空白位置 - 弹出 Edit Relationships 窗口 - 就可以看到Enforce Re
1.Access开启表间关系,并实现删除母表数据自动删除子表数据:
在Tables等界面 - > 右键 - > Relationships... -> 弹出Relationships窗口 -> 选择需要关联的表 -> 双击Relationships窗口空白位置 -> 弹出 Edit Relationships 窗口 -> 就可以看到Enforce Referential Integrity选项 -> 选中就可以继续选择 Cascade...了.
2.SQL Server开启表间关系,并实现删除母表数据自动删除子表数据:
创建外键 -> 在外键弹出窗口 Foreign Key Relationships窗口 -> 可以看到 INSERT AND UPDATE Secification -> 下边就是相应设置.(可用SQL语句设置)
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