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Preface $ORACLE_BASE/admin Location of audit and other documents $ORACLE_HOME/rdbms/admin Some sql statements for building packages and stored procedures <ORACLE_BASE>/admin/newdb/adump <ORACLE_BASE>/flash_recovery_area <ORACLE_BASE>/oradata/newdb step (0) specify environment variable expor ...

rman uses level 0 backup set for different recovery $ rman target / /* It is used for testing. It is found that the test fails. It is very useful if you need to restore spfile There is no parameter file. An instance of DUMMY will be generated under the command of RMAN RMAN> set dbid=1234567890; */ Start datab ...

I use PLSQL tool to do database migration. The example is to migrate the data of apps users of the same database to sccsrm users, which are all in the same database. A common way of database migration is to use the command to export all data of a user and then import it into a new user. DBA permissions are required to create users. sqlplus / ...

Learn from Chapter 5 of Oracle development art of breaking through the iceberg GROUP BY For simple group by statements, it is difficult to analyze the complex dimensions, and it is difficult to meet the requirements of the actual production of complex reports. The extension feature of group by is needed. The union statement can also meet the r ...

Catalog 1. Environment deployment 2 1. 1. Modify the database to archive mode. 2 1. 2 create test table 2 2. Backup preparation 2 2. 1 full database backup 2 2. 2 copy parameter file 2 2. 2. 1 view parameter file path 2 2. 2.2 copy parameter file 3 2. 2.4 creating dynamic files 3 2. 5 copying archives 3 ...

linux Installation of OCI client and php installation of oci8 extension oci client installation Install oci8 extension oci client installation Download packageoracle-instantclient18.3-basic-18.3.0.0.0-1.x86_64.rpmoracle-instantclient18.3-devel-18.3.0.0.0-1.x86_64.rpmoracle-instantclient18.3-sqlplus-18.3.0.0.0-1.x86_64.r ...

Both the voice and ocr in 11gR2 are under the same disk group, so recovery is integrated View normal backups [grid@rac1 admin]$    [grid@rac1 admin]$ ocrconfig -showbackup  rac1     2019/05/08 12:27:51     /u01/app/11.2.0/grid/cdata/rac-cluster/backup00.ocr rac1     2019/05/07 15:32:37     /u01/app/11.2.0/grid/cdata/rac-clu ...

This article describes the functions in linux. In linux, functions are divided into single line functions and group functions. Single line functions are divided into string functions, number functions, date functions and other functions. Group functions are divided into max, min, avg, sum and count. 1 system, environment and preco ...

Create users and tablespaces: 1. Log in to linux and log in as oracle user (if root is logged in, switch to oracle user with Su oracle command after login) 2. Open sqlplus in sysdba mode. The command is as follows: sqlplus / as sysdba 3. Create a temporary table space: --Queries the absolute path of the temporary tablespace file. If necessary, ...

ORACLE import and export 1. Introduction EXP and IMP are client-side tools that can be used either on the client side or on the server side. EXPDP and IMPDP are tool programs on the server side. They can only be used on the ORACLE server side, but not on the client side. IMP only applies to EXP expo ...