Transferred from: http://book.2cto.com/201209/4154.htmlThe flashback query's dependency on the undo data and parameter undo_retention doomed them to a small amount of time in the event of a lot of traffic, and it would be impossible to query the
The Racle database can be run in 2 modes: Archive mode (Archivelog) and non-archive mode (Noarchivelog)Archiving mode can improve the recoverability of Oracle databases, the production database should run in this mode, the archive mode should be
On the Friday to a customer to do database inspection, is the window 2008 system on the 10g of a set of NC system library, has been configured DG, but the inspection found that the database error:Tue Nov 10:13:57 2014lns:standby redo logfile
Five Ways to store data:1. XML attribute list (plist archive)2. Nskeyedarchiver Archive (encrypted form)3. Nsuserdefaults (preference setting)4. SQLite (embedded database)5. Core Date (embedded database for object-oriented approach)I. Reading and
ORA-00001: violation of unique constraints (.) ORA-00017: Request session to set trace event ORA-00018: exceeds Max sessions ORA-00019: exceeds Max session licenses ORA-00020: exceeds Max processes () ORA-00021: Session is attached to some other
During the migration of the database, the last boot GGsAfter starting GGs found the extraction process error, check the log found the following error:2016-03-16 00:15:42 INFO OGG-01517 Position of first record processed for Thread 2, Sequence 17643,
An error occurred while using htmlparser.
Org.html parser. util. parserexception: Error in opening a connection
Java. Io. ioexception: invalid argument
At java. Io. winntfilesystem. canonicalize0 (native method)
At java. Io. win32filesystem.
The hero of World War II is a game I like very much. Although it was a bit old in years, I always took it out for a long time.
There is no repair box in the reward task "tank attack". It is a pity to watch the damaged tanks. some people say that
Scenario: 1. archive is enabled for the database; 2. All archived logs are online after the data file is created; 3. No backup is performed for the data file or tablespace, and no full database backup is performed for the database.
Scenario: 1.
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