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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

The racle database system is a complex software system. Without understanding its internal structure principles and relationships, it is impossible to design and Compile High-Quality application software systems or manage a complex application

1,OracleOfficial preparations recommended by the company Generally speaking, Oracle has a lot of examination content, and the examination questions are also very detailed, it has a strong requirement on hands-on ability. Therefore, in order to be

Install oracle on Centos6 It is really not easy to install oracle on linux. A lot of dependent libraries need to be installed. After a long time, the installation is successful. Record the installation to prevent subsequent installation, because I

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

First, the installation environment based on trade secrets will not show. The basic configuration of the environment is understoodIntroduction to CENTOS7 operating system hereMinimized installation, 2G memory, 20G disk space, 1-core CPU, CONFIGURED

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

TNS-00510 Internal Limit restriction exceeded Cause Too Many files or sockets open simultaneously (or some other resource has). Action for further details, trace the operation for protocol details. TNS-12500 Tns:listener failed to start a dedicated

How RAC Works and related components (iii) Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of

Configure Oracle 8 for Linux Before using Oracle 8 in Linux, Oracle 8 should be installed, but the installation documentation provided by Oracle is relatively simple. The author draws on the Installation Method in the Unix operating system and