ALTER TABLE [dbo].[AA_BusObject] DROP CONSTRAINT [PK_student]下面是帮助里找到的信息(我是跟踪出来的,哈哈):DROP { [CONSTRAINT] constraint_name | COLUMN column_name } 指定从表中删除 constraint_name 或者 column_name。如果兼容级别小于或等于 65,将不允许 DROP COLUMN。可以列出多个列或...
For more information, see CREATE TABLE (Transact-SQL). Note If NULL or NOT NULL is specified with ALTER COLUMN, new_data_type [(precision [, scale ])] must also be specified. If the data type, precision, and scale are not changed, specify the current column values. [ {ADD | DROP}...
'green','blue'), ALGORITHM=INPLACE;->Query OK,0rowsaffected (0.11sec)->Records:0Duplicates:0Warnings:0ALTERTABLEt1ADDcINT, ALGORITHM=INPLACE;->ERROR1845(0A000): ALGORITHM=INPLACEisnotsupportedforthis operation. Try ALGORITHM=COPY.
AlterTableDropTableElement 建構函式 屬性 方法 AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement AlterTableTriggerModificationStatement AlterTriggerStatement AlterUserStatement Alte...
AlterTableDropTableElementStatement AlterTableDropTableElementStatement 建構函式 屬性 AlterTableDropTableElements 方法 AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement AlterTableTriggerModificat...
After import of a table that contains a primary key constraint and corresponding index, a drop constraint does not drop the corresponding PK index. When trying to insert a record into the table after dropping constraint, it fails with error In Enterprise Manager, the index is shown as availab...
ALTER TABLE ... TABLESPACE syntax does not support moving a table from a temporary tablespace to a persistent tablespace. The DATA DIRECTORY clause, which is supported with CREATE TABLE ... TABLESPACE, is not supported with ALTER TABLE ... TABLESPACE, and is ignored if specified. For more...
執行 ALTER DATABASE [database] SET QUERY_STORE = OFF 會傳回警告 'QUERY_STORE=OFF' is not supported in this version of SQL Server.。 CLEAR [ ALL ] 從查詢存放區移除查詢相關的資料。 ALL 是選擇性的。 ALL 會從查詢存放區移除查詢相關的資料與...
If you are not the owner of the table, then you need theDROPANYTABLEprivilege in order to use thedrop_table_partitionortruncate_table_partitionclause. You must also have space quota in the tablespace in which space is to be acquired in order to use theadd_table_partition,modify_table_parti...
Existing hash organized tables remain supported, but they are likely to be unsupported in the future. options-continued: 12DATA CAPTURENONECHANGESVOLATILENOT VOLATILECARDINALITYADD CLONEclone-table-nameDROP CLONEADD RESTRICT ON DROPDROP RESTRICT ON DROPACTIVATEDEACTIVATEROW ACCESS CONTROLACTIVATEDEACTIVATE...