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Oracle basic concepts and comparison with informix I. ConceptsUser: informix directly uses the user management system of the operating system. Generally, root and informix are used as super operators to manage other users. Oracle has its own user

Modify Memory_targetLog in with an Oracle user,Sqlplus "/as sysdba"Sql> Show parameters target;Show Parameters SPFile;Alter system set MEMORY_MAX_TARGET=4G Scope=spfile;Alter system set MEMORY_MAX_TARGET=4G Scope=both;Tmpfs/dev/shm Tmpfs

Oracle Study-Oracle RAC reconstruction Control File System Environment:Operating System: AIX5.3 Cluster: Oracle 10gR2 CRSOracle: Oracle 10gR2 Rebuild the control file in the RAC environment is similar to that in a single instance, but note the

Oracle's architecture is broadly divided into two parts: Instance (instance) and database. Instance (example) : The SGA is mainly included in Oracle Instance and some processes (for example: Pmon, Smon, Dbwn, LGWR, CKPT, etc.). If a user's

Oracle BASICS (9) Oracle architecture and oracle infrastructure 1. Oracle Architecture Overview: Oracle architecture refers to the composition, working process and principle of the database, as well as the organization and management mechanism of

One of Oracle asm kfed tools, asmkfed [root@localhost db_1]# su - oracle[oracle@localhost ~]$ cd /u01/app/oracle/product/10.2.0/db_1/rdbms/lib[oracle@localhost lib]$ pwd/u01/app/oracle/product/10.2.0/db_1/rdbms/lib[oracle@localhost lib]$ ls -lrt

  I. Oracle case 1. Oracle instancesSystem global area (SGA) and background process are used as database instances. 2. Oracle DatabaseA collection of physical files (data files, control files, online logs, parameter files, etc) 3. system global area

I. Overview of Oracle Architecture:Oracle's architecture refers to the composition of the database, the working process and principle, and the Organization and management mechanism of the data in the database. To understand the architecture of the

2.1.1unlike other database products, Oracle has its own unique system architecture. The Oracle system architecture is the framework of the entire ORACLE Server System and the basis and core for managing and applying ORACLE data servers. The Oracle

Reprinted from: http://blog.csdn.net/leshami/article/details/5784713Oracle can save online log files to many different locations, and the process of converting online logs to archived logs is called archiving. The corresponding log is called the