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Memory Structure of the database:Memory structures are allocated to the Oracle instance when the instance is started.The two major memory structures are known as the system global area (also called the sharedGlobal Area) and the program global area (also called the private global area or the processGlobal Area) SGA:The system global area (SGA) is a shared memory area. All users of the database shareInformation Maintained in this area. the SGA and the

Installation article First of all, PHP support Oracle I first thought of the PDO-related driver, looked at a really, called Pdo_oci. But also relies on Oracle Instant client, which is to be downloaded to the Oracle website: Http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html Select the version of the corresponding system,

Recently done a project, through VC ODBC access to Oracle database, on my computer can run normally, not running on other computers, because there is no Oracle ODBC driver, unable to configure Oracle data source. Most of the blog posts on the Web are installed with Oracle clients to solve. I think it is a small program

Tags: library sel shutdown struct parallel number serve log file capOracle Servers (Oracle server) are comprised of instances and databases. The example is the so-called Relational database management system (relational Management System,rdbms), which is used to provide relevant database management functions, and the database is composed of Oracle database files, which is used to store the data. Instances c

Tags: base libaio doc software cut install highlight rar row dataUsing Python to run database scripts on Linux: cx_oracle.databaseerror:dpi-1047:64-bit Oracle Client Library cannot be loaded solutionThe cause of this problem is that the Python2.7 of this machine is 64 bits, and the database uses 32-bit instantclient-basic, so we have to update the Instantclient-basic version to 64-bitThe following is according to the official website document operatio

Tags: RAC Oracle 1.2 enabled home Landing blog Pen Log Archive Using system users to log in to Oracle's Sqlplus " system/oracle " as Sysdba First check if Oracle has turned on Archive logging log list; If the following error is displayed, the proof is not turned on ORA-01031Privileges Users can use the following command to see if

Tags: style blog http ar using SP file data onRecently on-line search how to install 64-bit Oracle in the case of win764, and use Plsql Developer to manage Oracle. So began to download the database on the Oracle website, download is a very simple thing, the problem is in Baidu when all said Plsql developer bit 32, there is no 64, and 32 Plsql developer can not ma

Tags: http io using AR for strong file SP dataStarting with 10G, Oracle provides a lighter-weight customer package called Instant client. Once you've installed it, there's no need to install a huge Oracle client.This way, as long as the client download instant clients, directly decompression, set path is OK.The settings are as follows:1. Download 32-bit Oracle In

Navicat for Oracle connection to Oracle 11G operation process, navicat11g Procedure for connecting Navicat for Oracle to Oracle at 11 GB 1. Change the Oracle configuration file After installing Oracle 11g, you need to change the

Common Methods for viewing Oracle execution plans-Series 1: oracle execution plans The SQL Execution Plan actually represents the specific execution steps of the target SQL in the Oracle database, only by knowing whether the execution plan selected by the optimizer is the optimal execution plan in the current situation can you know the next step. Execution Plan

Failure phenomenon:How do I make a cold backup of an Oracle database in case of an emergency, without opening the Oracle log archive?Solution: A cold backup of the Oracle database, sorted as follows: When do I have to use cold backup? 1. Database mode is not archive mode 2. For field protection The process of cold backup: 1. First view the location of the b

1, Redo Log Buffer Redo Log Buffer is a cache of database modification information stored in the SGA. This information is stored in the Redo entry (Redo Entry). The redo entry contains the necessary information to rearrange or redo the database because of modifications made by insert, UPDATE, DELETE, CREATE, Alter, or drop. When necessary, redo entries can also be used for database recovery. The redo entry is a copy of the Oracle database process fr

Tags: ROM editor development targe data Common password color sizeBrief introduction:It is also quite common that we often encounter the need to connect to an Oracle database when we develop our application scenarios. So so. NET environment is connected to an Oracle database and can be tns/sql.net through a configuration file, and TNS must be an Oracle client.Sce

Tags: binary ACL section src system data DML one Redolog copyOriginal address: https://www.toutiao.com/i6499008214980362765/Oracle Database Startup: The Oracle service starts, the parameter file is searched for the control file, and the control file is started, and the control file calls the data file and the log file.Oracle's file system composition: Parameter files, control files, data files, log files.1.

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