tsql脚本将删除级联添加到现有表

ALTER TABLE [wm].[TABLE_NAME]  WITH NOCHECK ADD  CONSTRAINT [FK_TABLE_NAME_PARENT_TABLE_NAME] FOREIGN KEY([FOREIGN_KEY])
REFERENCES [wm].[PARENT_TABLE_NAME] ([PRIVATE_KEY])
ON DELETE CASCADE
GO

• TABLE_NAME ：表名


• PARENT_TABLE_NAME ：存储父母的表的名称。
  该占位符可以等于


• FK_TABLE_NAME_PARENT_TABLE_NAME ：仅仅是约束的名称 >


• FOREIGN_KEY ：子表中的字段用于与父级的连接，例如 -ParentID


• PRIMARY_KEY ：parents表中的字段，-ID


• TABLE_NAME: name of the table where the children are stored.
• PARENT_TABLE_NAME: name of the table where the parents are stored. This placeholders can be equal
• FK_TABLE_NAME_PARENT_TABLE_NAME: just name for the constraint
• FOREIGN_KEY: field in the child table for the connection with the parents, for example - ParentID
• PRIMARY_KEY: field in the parents table, for example - ID

ALTER TABLE [wm].[Thumbs]  WITH NOCHECK ADD  CONSTRAINT [FK_Thumbs_Documents] FOREIGN KEY([DocID])
REFERENCES [wm].[Documents] ([ID])
ON DELETE CASCADE
GO