B.In generalC.For exampleD.As usual【19】A.habitB.houseC.characterD.shape【20】A.goB.studyC.liveD.stand 免费查看参考答案及解析 题目: 124.下面四组SQL命令,全部属于数据操作语言的命令是? A、CREATE,DROP,UPDATE B、INSERT,UPDATE,DELETE C、INSERT,DROP,ALTER D、UPDATE,DELETE,ALTER 免费查看...
A trigger that uses the sequence in a NEXT VALUE or PREVIOUS VALUE expression exists. An inline SQL function that uses the sequences in a NEXT VALUE or PREVIOUS VALUE expression exists. Whenever a sequence is dropped, all privileges on the sequence are also dropped, and the packages that ref...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
Dropping a database snapshot clears the plan cache for the instance of SQL Server. Clearing the plan cache causes a recompilation of all subsequent execution plans and can cause a sudden, temporary decrease in query performance. For each cleared cachestore in the plan cache, the SQL Server er...
Alter a refresh-on-demand materialized on any table in the database to refresh-on-commit FLASHBACK ANY TABLE Issue a SQL flashback query on any table, view, or materialized view in any schema. (This privilege is not needed to execute the DBMS_FLASHBACK procedures.) OPERATORS: CREATE OP...
___ 3. Removing a temp table is a means of keeping the database clean. ___ 4. SQL tools provide the means of only creating temp tables. ___ 5. It is best to check whether the table exists before deleting it, because this might cause errors in processing. ___ 6. Removing a...
You can't drop a database currently being used. This means locks being held for reading or writing by any user. One way to remove users from the database is to useALTER DATABASEto set the database to SINGLE_USER. In this strategy, you should execute theALTER DATABASEandDROP DATABASEi...
sql server drop表不释放表空间 sql drop from 1、更新 update xxx set xxx where xxxx UPDATE T_Debt set FAmount =123 WHERE 2、插入数据 insert INSERT INTO T_Person(FName,FAge,FRemark) VALUES('Jim',20,'USA'); 3、删除 delete from DELETE FROMT_Debt;...
All of the projects in openGauss Community are maintained by@opengauss_bot. That means the developers can comment below every pull request or issue to trigger Bot Commands. Please follow instructions atHereto find the details. Hi@ironmanzzm, ...
DELETE is a logged operation on a per row basis. This means that the deletion of each row gets logged and physically deleted. You can DELETE any row that will not violate a constraint, while leaving the foreign key or any other contraint in place. ...