1。找到引用这个表外键名称 SELECT * FROM sys.foreign_keys WHERE referenced_object_id=OBJECT_ID('User'); 删除外键 删除掉引用表的外键 ALTER TABLE dbo.XX DROP constraint FK_User_XX
王林森,TRUNCATE TABLE,外键,表,该表正由 FOREIGN KEY 约束引用,无法,截断,wlsandwho 试图执行truncate table B 代码需要一句一句执行:http://www.cnblogs.com/wlsandwho 1USEtempdb2GO34--创建表B5CREATETABLEtB(bNVARCHAR(10)PRIMARYKEY)6GO7--插入一个测试数据8INSERTINTOtB9( b )10VALUES( N'wlsandwho'...
table_name 要截斷或移除所有數據列的數據表名稱。table_name必須是常值。table_name不能是函OBJECT_ID()式或變數。 WITH ( PARTITIONS ( { <partition_number_expression> | <range> } [ , ...n ] ) ) 適用於:SQL Server 2016 (13.x) 和更新版本。
Syntax for SQL Server, Azure SQL Database, Fabric SQL database syntaxsql Kopírovať TRUNCATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } [ WITH ( PARTITIONS ( { <partition_number_expression> | <range> } [ , ...n ] ) ) ] [ ; ] <ra...
Syntax for SQL Server, Azure SQL Database, Fabric SQL database syntaxsql คัดลอก TRUNCATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } [ WITH ( PARTITIONS ( { <partition_number_expression> | <range> } [ , ...n ] ) ) ] [...
1、由 FOREIGN KEY 约束引用的表。(您可以截断具有引用自身的外键的表。) 2、参与索引视图的表。 3、通过使用事务复制或合并复制发布的表。 4、对于具有以上一个或多个特征的表,请使用 DELETE 语句。 5、TRUNCATE TABLE 不能激活触发器,因为该操作不记录各个行删除。
Are referenced by a FOREIGN KEY constraint. Participate in an indexed view. Are published by using transactional replication or merge replication. For tables with one or more of these characteristics, use the DELETE statement instead. TRUNCATE TABLE cannot activate a trigger because the operation does...
Are referenced by a FOREIGN KEY constraint. (You can truncate a table that has a foreign key that references itself.) Participate in an indexed view. Are published by using transactional replication or merge replication. For tables with one or more of these characteristics, use the DELETE statem...
二、 不同点 参考 https://docs.microsoft.com/en-us/sql/t-sql/statements/truncate-table-transact-sql?view=sql-server-ver15 https://support.microsoft.com/zh-cn/help/913399/space-that-a-table-uses-is-not-completely-released-after-you-use-a-del...
I have two table with a foreign key in between. Then if I want to truncate the tables, of course this is not possible because of foreign key. But with the following code, this should work: EXEC sp_msforeachtable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL' GO truncate table Table_1 ...