在Oracle 10g中,Flash back家族分为以下成员:Flashback Database,Flashback Drop,Flashback Query(分Flashback Query,Flashback Version Query,Flashback Transaction Query三种) 和 Flashback Table。 1.Flashback Database Flashback Database 功能非常类似于RMAN的不完全恢复,它可以把整个数据库回退到过去的某个时点...
db_recovery_file_dest string /backup/JKEDCON/flash_recovery_area db_recovery_file_dest_size big integer 110G The window retention is 1 day => CONFIGURE RETENTION POLICY TO REDUNDANCY 1; We've found that there are 839 flashback logs: SQL> SELECT * FROM V$FLASH_RECOVERY_AREA_USAGE; FILE_T...
Dropped table can be recovered using the FLASHBACK utility, if available in recycle bin. This functionality is available from 10g onwards Only the creator of the table can drop the table or the user with drop any table privilege can drop the table Syntax for Drop table oracle DROP TABLE [T...
在回收站中,被删除的对象将占用创建时的同样的空间,你甚至还可以对已经删除的表查询,也可以利用flashback功能来恢复它, 这个就是flashback drop功能。 这个功能虽然可以极大的简化误drop导致的恢复操作,但是长时间的积累可能会导致大量的空间占用(虽然Oracle具有自己的清理机制),很多时候我们需要手工介入去清理回收站。...
In an Oracle Application Express application, a report is the formatted result of an SQL query. A parameterized report is a dynamic report based on input from the application user or another component in the application. The application user enters search criteria which is used to generate the ...
If you have Enterprise Edition 11.2.0.4 or later you could use the built-in Flashback Data Archive feature which maintains history tables transparently. Find out more. Which approach is best depends on how you want to use the history table. Share Improve this answer F...
In Oracle10g and higher, you can use the Recyclebin to recover a DROP table assuming it has not been explicitly disabled. See: <Note 265254.1> Flashback Table feature in Oracle Database 10gIf the Recyclebin has been disabled or Database is running Oracle9i, there are several options availabl...
Oracle Cloud Infrastructure - Database Service - Version N/A and laterInformation in this document applies to any platform.GoalHow to calculate the size of the generated flashback logs and performance impact of setting FLASHBACK DATABASE ON.This document makes use of View V$FLASHBACK_DATABASE_...
NOTE: Create table is a form of data-definition language (DDL) statement. These change the objects in your database. Oracle Database runs a commit before and after DDL. So if the create works, it's saved to your database.You can also create a table based on a select statement....
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