alter database rename

  When learning about the basic architecture of Oracle databases, I have learned about the storage structure of Oracle. Logically, Oracle data is stored in tablespaces and physically stored in datafiles. A tablespace can belong to only one database (

How is the built-in Oracle XE database created? This is a problem that many people have mentioned. The following describes how to create an Oracle XE database for your reference. Let's briefly talk about the character set of Oracle 10g XE. Let's

Oracle 11gR2 Database and Active Data Guard migration case, 11gr2guard The customer's core system is composed of an Oracle Database 11.2.0.3.4 single machine and an Active Data Guard, which run on two PC servers respectively. The Oracle Linux 5.8 x86

Db_name: Unique identifier of a database (Oracle database. This expression is sufficient for a single database, but with the popularization of distributed databases composed of multiple databases, this method of Command database creates a certain

Dblink between database versionsServer VersionClient 11.1.0 10.2.0 10.1.0 9.2.0 9.0.1 8.1.7 8.1.6 8.1.5 8.0.6 8.0.5 7.3.411.1.0 Yes #6 Yes #6 ES #5 No #3 No #3 No #3 No #3 No #3 No #310.2.0 Yes #6 Yes ES #5 No Was No #3 No #3 No #3 No #3 No #310.1.0

Use the Asmcmd CP command to move the datafile from the file system (move) to the ASM Disk group-for 11GR2Reference text:How to Move a datafile from Filesystem to ASM Using asmcmd CP Command. (Doc ID 1610615.1)Suitable for:Oracle database-enterprise

Oracle-full recovery of user management (iv) I. the role of resetlogs 1. reset the current log serial number to 1, discard all previous log information, you can delete them on the operating system; 2. in non-archive mode, if online redo logs are

How DB2 changes the file path and name I personally feel that it is a bit difficult to change the file name in DB2. Although there are not many steps, it may be caused by the method used to ORACLE. It is relatively simple to change the path of the

Movement of oracle tablespace data filesRequirement: to move the data files in a certain tablespace from one path to another for some reason: (1) the tablespace files and system tablespace files in the current instance are all on one hard disk, IO

Dd description: Assume that I have a file named aaa.gz with a size of 81234 kb. I want to use the DD command to implement the following Backup results: first, divide the snapshot into three shards. The first Shard is the first 10000 KB of the

Show parameter service_names select instance_name from v$instance;   Db_name is a real physical name. SERVICE_NAME carries the domain name, because if the two databases do not have the same domain, they can have the same name. The SID is the

Connecting to the Oracle database and troubleshooting solutions This article is a summary of my connection to Oracle, especially suitable for program developers and Oracle cainiao.HowConfigurationTo connect the client to the database: To

ORA-01113: file 7 requires media recoveryORA-01110: data file 7: 'f: \ workfiles \ oracle11g \ oradata \ HTTP \ fwtbs_01.dbf' Method 1: ORA-01589: to open the database, you must use the resetlogs or noresetlogs OptionSQL> alter database open

1. delete a tablespace Drop tablespace tablespacename [including contents [and datafiles] 2. delete a user Drop user user_name Cascade 3. Notes for deleting a table When deleting all data in a table, the truncate table name must be used. Because

Common Oracle commands-log management 1. view log filesSyntax: select Member from V $ logfile 1. Forcing log SwitchesSQL> alter system switch logfile; 2. Forcing checkpointsSQL> alter system checkpoint; 3. Adding online redo log groupsSQL>

1. delete a tablespaceDrop tablespace tablespacename [including contents [and datafiles]　　 2. delete a userDrop user user_name Cascade3. Notes for deleting a table　　 When deleting all data in a table, the truncate table name must be used. Because

========================================================== ============================######### Create a database ---- look $ ORACLE_HOME/rdbms/admin/buildall. SQL ############ CREATE DATABASE db01maxlogfiles 10 maxdatafiles 1024 maxinstances 2

OverviewIn the Oracle installation directory $ home/Network/admin, sqlnet is often seen. ora tnsnames. ora listener. ora files except tnsnames. ora, the detailed usage of the other two files is not well understood by many people.Sqlnet. ora is used

Oracle 11 tablespace dbf File migration When the disk space of the oracle data file is insufficient or the dbf file needs to be migrated to another location in other cases, the procedure is as follows: 1. sqlplus sys/sys as sysdba 2. shutdown

Because the ASM file cannot be accessed through the normal operating system interface, RMAN is the only way to copy the ASM file. Although, due to the history of the tablespace Because the ASM file cannot be accessed through the normal operating