sql alter

Rman is a management tool that must be used in Oracle database backup management. It operates in a variety of ways, I have organized a number of commonly used operations commands, summed up, to facilitate the work.(Miki @mikixiyou Document, original

If exists (select * From DBO. sysobjects where id = object_id (n' [DBO]. [p_copydb] ') and objectproperty (ID, n' isprocedure') = 1)Drop procedure [DBO]. [p_copydb]Go /* -- Database Data Replication Copy data from one database to anotherIf a

1. New File GroupALTER DATABASE [Test] ADD FILEGROUP FG2010 ALTER DATABASE [Test] ADD FILEGROUP FG2011 ALTER DATABASE [Test] ADD FILEGROUP Fgall2. New Partition fileALTER DATABASE [Test] ADD FILE(NAME='File2010', FILENAME=N'D:\Program

Declare @tablename varchar( -) ,@sql varchar( +) ,@dbname varchar( -)Set @dbname=db_name()DeclareAddcolumn_cusorcursor for SelectName fromsys.tablesOpenAddcolumn_cusorFetch Next fromAddcolumn_cusor into @tablename while(@

Scenario Description: A friend asked, MSSQLServer to restore the database backup to other machines is very convenient, basically is a fool operation, Oracle has control files, parameter files a pile of things, Feel that the restoration is very

1. Programme Overview NFS, which utilizes Linux operating systems, provides disk space for UNIX, uses the Rman tools of the database to perform a backup of the database, and the backup data is stored in the disk space on the backup

In non-catalog mode, the backed-up information is stored in controlfile. So don't forget to back up the control files when you back up the Rman. 1. SPFile lost Startup Nomount; Set dbid 3988862108; Restore SPFile from Autobackup; or through a

Source-side database: 192.168.1.210Sid:orclHostname:nagiostestOracle_base=/u01/app/oracleoracle_home=/u01/app/oracle/product/11.2Target database: 192.168.1.211Sid:orclHostname:oel6Oracle_base=/u01/app/oracleOracle_home= $ORACLE

This article mainly describes the Rman recovery scheme and Oracle Machine recovery, the need for friends can refer to the followingNote:The premise of ① recovery is that it is ready for backup② Full Recovery database is a database that is

The process of operation and maintenance is a process that constantly produces new problems and needs to be researched and moved forward. 11 holidays just before the customer calls to inform the Oracle synchronization data inconsistencies need to be

Mysql exercise Alter usage summary bitsCN.com Mysql exercise Alter usage summary Alert usage summary: Alter database syntax Alter database is used to change the global features of a DATABASE. These features are stored in the db. opt file in the

Rman backup command 1: to back the controlfile using rmanBackup Control FileRun {Allocate channel dev1 type disk format 'C: backup % U ';Backup current controlfile;}2: to check the backup of controlfile using rman:Check the backup control fileList

This article is my thoughts on the database partition solution, and may have some problems. For discussion only. SQL Server (SqlServer2005SqlServer2008) implements partitions under the Enterprise Edition. SQL Server partitions are divided into the

Oracle backup policy customization is related to the running of oracle databases. The correct oracle backup policy not only ensures the 24x7 High Performance of database servers, it also ensures the speed and reliability of backup and

1. Data Recovery Advisor (DRA) Description 1.1 DRA description DRA automatically collects data fault information when an error occurs. In addition, it can check faults in advance. In this mode, it can detect and analyze data faults before the

Debugging is also a very important part in the development of the application, in addition to the IDE's support for immediate debugging (such as vs.php or IDE-supported debugging capabilities), to add the appropriate debugging information to the Web

This article was transferred from Hougoo Blog1. ConceptDifferential increment: Is the data block that has changed since the backup ancestor and sibling backup, Delta is the default incremental backup methodCumulative increment: is a block of all

ORACLEASM is a database file storage management system officially provided by oracle. Compared with other file storage systems, AMS performs load balancing and Performance Optimization Oracle asm (Automatic Storage Management System) is a database

The switch of the rman backup recovery command updates the data file name to the data file name specified during image copy under rman, and updates the data file name to the name specified by the setnewname command. The switch of the rman backup

This backup script is organized from the network, and some comments are added. This script is clear and can be applied to the production machine with slight changes. 1 #! /Bin/ Bash 2 ######################################## ####################