SQL触发器 情况下,递归触发器选项是禁用的。递归触发器最多只能递归16层,如果递归中的第16个触发器激活了第17个触发器,则结果与发布的rollback命令一样,所有数据都将回滚。我们举例解释如下,假如有表1、表...整个事物都将取消,而且所有数据回滚。 嵌套是用来保持整个数据库的完整性的重要功能,但有时可能需要禁用...
If COMMIT or ROLLBACK statements are not used, it depends on the host environment how the final state of the database should be.For example,in a SQL*PLUS environment, if a PL/SQL block of code is without a COMMIT or ROLLBACK statement, the state of the database will depend on the b...
SQL Server Does SQL ROLLBACK undo the enabling or disabling of triggers?Having tested this myself...
Since I noticed something was terribly wrong with my UPDATE statement, I can issue a ROLLBACK TRAN statement to rollback the transaction meaning that none of the data actually changed: ROLLBACK TRANSACTION rolls back an explicit or implicit transaction to the beginning of the transaction, or ...
pl/sql developer commit/rollback buttons after database restart #49386 08/13/14 05:07 AM OP Movses Member M Joined: Aug 2014 Posts: 6 Why does commit and rollback buttons activate in PL/SQL developer after oracle database restart? Has that got a meaning or it's just the way ...
Transaction rolled back because it has been marked as rollback-only报错源码分析 问题根源 问题根源 事务内嵌套事务,内部事务报错被catch,导致不会走rollback流程,而是正常commit。但已经把rollbackonly字段置为true了 所以会走到这里 报出这个错...
transaction as finished and doesn't save WAL records (that meaning that changes never spread to the datafiles) actually ROLLBACK is very cheap just don't save changes, COMMIT makes all the work... now, your post make me think that you think the ROLLBACK never ...
“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 ...