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, these two parameters are enabled and the system is considered the same by default.3.EXP ExportBackups are slow compared to EXPDP exports, but there is an advantage that the client can execute commands without requiring the server host to execute commands.Exp Sp_test/[email protected] file=d:test.dmp log=d:exp.log owner=sp_testSp_test/[email protected] is the database user name password and network configuration database service connection which database user data the owner is exporting4.imp Im
; print:aA----------0Sql> print:bB----------1Sql> Print:cC----------1Sql> exec DBMS_BACKUP_RESTORE.NIDPROCESSCF (: a,:b);The PL/SQL process has completed successfully.Sql> print:aA----------1Sql> print:bB----------1sql> exec dbms_backup_restore.nidend;The PL/SQL process has completed successfully.Sql> select dbid from V$database;DBID----------3935589514After the successful modification of dbid, the parameter files, control files, data files and log files are recovered in sequence: Sql>startup No
Friends who are interested in this course can add my QQ2059055336 and contact me.This course focuses on Oracle RAC architecture and how it works, understanding and mastering the relevant technologies under the RAC database, such as cache Fusion, Failover, load balance, FAN, OCR, and voting disk. Through the implementation of the VMware virtual environment, the installation and deployment of RAC database, the daily performance monitoring of RAC databas
from V$datafile;#查看下当前数据文件的状态And then execute the following SQL statementsql> recover database until cancel;Ora-00283:recovery session canceled due to errorsOra-01610:recovery using the BACKUP controlfile option must is doneIf you execute the following SQL statement after the execution of the SQL statement above failssql> Recover database using
Backup and recovery are frequently encountered operations, logical backups, and physical backups. Physical backups are also divided into cold and hot backups.One, logical backup, recoveryRefers to the use of the exp command, simple, does not affect normal database operations. EXP Username/Password File=/home/oracle/dya
); (4) Perform database update operations, such as deleting several records and adding several records; (5) Close the database (SHUTDOWN IMMEDIATE); (6) Copy all previously saved data files, control files, online redo log files to the original location, overwriting the original files; (7) Restart the database (startup); (8) Query the data to see if the updated data exists. 4, log-based backup and recovery (
A backup is the preservation of the data information in the database, while recovery restores the backed-up database information to the database system. The backup type of the database There are 3 standard forms of Backup for Oracle databases: Export, offline
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\TESTDB\CONTROL01. CtlD:\APP\LC\FLASH_RECOVERY_AREA\TESTDB\CONTROL02. Ctl(3) View the path of the redo log fileSelect member from V$logfile;D:\APP\LC\ORADATA\TESTDB\REDO03. LOGD:\APP\LC\ORADATA\TESTDB\REDO02. LOGD:\APP\LC\ORADATA\TESTDB\REDO01. LOG2. Close the databaseSql> Conn System/[email protected] as Sysdbais connected.sql> shutdown ImmediateThe database is closed.The database has been uninstalled.The ORACLE routine has been closed.3, copy the da
| FUNCTION | VIEW | SYNONYM | SEQUENC 3. How to execute SQL statements in RMAN In 12c, You can execute any SQL and PL/SQL commands in RMAN without the SQL prefix, that is, you can directly execute any SQL and PL/SQL commands from RMAN. The following is an example of SQL statement execution in RMAN: RMAN>SELECTusername,machineFROMv$session; RMAN>ALTERTABLESPACEusersADDDATAFILESIZE121m; 4. Table recovery
choices for enterprises. Yu sicheng, vice president of Oracle and general manager of technology in Greater China Oracle Database 12c adopts a multi-tenant architecture. By separately managing data content in different tenants, the independence and security required between tenants can be ensured. While retaining the functions of each tenant, it can achieve unif
Tags: note server log and family exp Baidu Man connectionConnect to an Oracle database using PL/SQL and export the data for backup and import recovery This operation Baidu a search a large, today to organize the project of the past to backup a bit of the database, try to export the data for
other usersRequires the user to have DBA authority, or Imp_full_databaseImp userid=system/[email protected] tables= (EMP) file=d:\xx.dmp Touser=scott3. Structure of the Import tableImport only the structure of a table without importing dataImp userid=scott/[email protected] tables= (EMP) file=d:\xx.dmp rows=n4. Import dataIf an object (such as a table) already exists, you can import only the data for the tableImp userid=scott/[email protected] tables= (EMP) file=d:\xx.dmp ignore=y2) Import Scen
other usersRequires the user to have DBA authority, or Imp_full_databaseImp userid=system/[email protected] tables= (EMP) file=d:\xx.dmp Touser=scott3. Structure of the Import tableImport only the structure of a table without importing dataImp userid=scott/[email protected] tables= (EMP) file=d:\xx.dmp rows=n4. Import dataIf an object (such as a table) already exists, you can import only the data for the tableImp userid=scott/[email protected] tables= (EMP) file=d:\xx.dmp ignore=y2) Import Scen
When we use a database, always want the content of the database is reliable, correct, but because of computer system failures (including machine failure, media failure, misoperation, etc.), the database may also be damaged, then how to recover data as soon as possible is a top priority. If you make a backup of your database at the usual time, it's easy to recover the data at this point. This shows that a good database
A few days ago, a friend of the group said DB in the beginning of backup mode after shutdown not come up, today said backup recovery test a bit, found that can be up, but the production environment or to pay attention, it is best not to do so. sql> alter TABLESPACE users begin backup; Tablespace altered. sql> shutdo
connected to the idle routine. Sql> Startup Mount ORACLE routine has been started. Total System Global area 535662592 bytes Fixed size 1375792 bytes Variable size 293601744 bytes Database buffers 234881024 bytes Redo buffers 5804032 Bytes Database loading is complete. Sql> select * from V$log; group# thread# sequence# BYTES blocksize members ARC---------------------------------------------------------------status nbsp; first_change# first_time NEXT
detach-and-attach method in MSSQL. And the operation is very simple, but if the amount of data is relatively large, it is not very recommended to use this method, the feeling is relatively slow. There was no MSSQL separating, attached so quickly,Cold backup is much faster if you want to pursue speed. You can go to the mother to check, this is very simple. Find the corresponding folder, copy, paste, OK. But I heard there would be danger.(younger broth
/SCAN-CLUSTER/BACKUP_20161010_174403.OCR[Email protected] ~]#/home/grid/11.2.0/grid/bin/ocrconfig-restore/home/grid/11.2.0/grid/cdata/scan-cluster/ BACKUP_20161010_174403.OCR--Recover OCR information[Email protected] ~]#5. Manually backing up the OCR disk[Email protected] ~]#/home/grid/11.2.0/grid/bin/ocrconfig-export/tmp/ocr-20161010.back[Email protected] ~]# Ll/tmp/ocr-20161010.back-RW-------1 root root 125185 Oct 17:49/tmp/ocr-20161010.back[[email protected] ~]#/home/grid/11.2.0/grid/bin/ocrc
[...]......Repeat 255 TimesKfed-00322:invalid content encountered during block traversal: [kfbttraverseblock][invalid OSM block type][][0] Start ASM The code is as follows Copy Code [Grid@rac1 backup_asmheader]$ Sqlplus/as SysoperSql*plus:release 11.2.0.3.0 Production on Tue Apr 17 12:29:42 2012Copyright (c) 1982, Oracle. All rights reserved.Connected to a idle instance.Sql> StartupASM instance startedOra-15032:
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