Oracle

 using Odp.net to access Oracle databases in. NET (no client deployment method)Category: C # database2012-01-05 15:34 6330 people read reviews (1) favorite reports Oracle database. Netcomponentsdllodp.net is a database access class library

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

Http://www.cnblogs.com/sopost/archive/2010/10/11/2190076.html in the SQL statement optimization process, we often use the hint, now summarize the SQL optimization process common Oracle Usage of hint:1./*+all_rows*/Indicates that the cost-based

Most of the documents that can be found on the web are set in RHEL5 or OEL5 Udev,udev the biggest effect for Linux is to prevent the operating system from restarting, and the drive letter used as an ASM disk is changed.For example, Tim Hall article:

3.2. Install the Cvuqdisk package 3.2.1. Preparing the Oracle Grid installation package Upload the grid, Oracle installation files: Sftp> put e:\software\linux.x64_11gr2_grid.zip/root/Uploading Linux.x64_11gR2_grid.zip

 MySQL date and time format conversion Linux SCP Usage Detailedoracle/mysql/sqlserver Function Differences2011-07-01 12:34:36|  Category: MySQL technology | Tags:mysql sqlsever oracle functions | Report | Font size Big medium small subscription

Database-built users are unable to authenticate through the database until the database is startedThe password file contains the user name and password of the Sysdba/sysoper user.Allow user to authenticate with password file and log in before

One, source-side (Oracle) configuration1. Create a synchronization test tableCREATE TABLE gg_user.t01 (name varchar (primary key));CREATE TABLE gg_user.t02 (ID int primary key,name varchar (20));2. Add the definition file (is the transfer between

Oracle Basic SyntaxI. Startup and shutdown of Oracle1, in a single-machine environmentTo start or shut down an Oracle system, you must first switch to an Oracle user, as followsSu-oracleA. Start the Oracle systemOracle>svrmgrlSvrmgr>connect

Summary of Oracle Performance Tuning recommendationsPrinciple One: Note the connection order in the WHERE clause:Oracle uses a bottom-up sequential parsing where clause, according to which the connection between tables must be written before other

Here is some of the things to keep on mind when dealing with OGG and 12c multitenant architecture. It's available only in integrated capture mode and not classic capture. One extract can configured to capture changes from

[[email protected] ~]$ which adrci/u02/app/oracle/product/11.2.0.4/db_1/bin/adrci[[email protected] ~]$ Adrciadrci:release 11.2.0.4.0-production on Sat 2 22:32:28-----> This is OS time Copyright (c) 1982, Oracle and/ or its affiliates. All rights

RMAN Incremental backup available: database, tablespace, data fileonly The Used Block can be backed up into Backup Settable spaces correspond to data files: Dba_data_files/v$datafile_headerin the Noarchivelog mode, you can use the RMAN Backup

Http://blog.csdn.net/yjp198713/article/details/18131871oracle two minutes, hours of direct time.1, obtain the time difference millisecond number:Select Ceil ((to_date (' 2008-05-02 00:00:00 ', ' yyyy-mm-dd hh24-mi-ss ')-to_date (' 2008-04-30 23:59:59

Heterogeneous data sources interact with Oracle database. Figure 1 is an Oracle heterogeneous Connection processing architecture diagram where we can see that the main non-data source modules include the HS (heterogeneous Service), Agent. There is

1.Linux Environment Configuration PreparationEnvironment: Linux:redhat Enterprise 5.4,db:oracle 11g R2 x64,oracle installed into the/home/oralce_11 directory.The configuration process is as follows: (mostly online content, individuals also follow

Oracle Sqlplus Common Settings§2.5 sqlplus Common SettingsMost of the necessary environment settings are needed to complete the output we need.The settings for all environments are completed by the SET command plus the corresponding environment

Oracle BASICS (4) pl/SQL PL/SQL is also a program Language called Procedural Language/SQL ). PL/SQL is an extension of SQL statements in Oracle databases. The features of the programming language are added to the use of common SQL statements.

Oracle Installation text tutorial in linux environment in VMware (2) upgrade patch installation in ORACLE 10.2.05, vmware10.2.05 First, decompress the package. $ unzip p8202632_10205_LINUX.zip After decompression, we will find an extra folder,

How to import dmp files in Oracle and import dmp files in Oracle The project started to get the dmp file, and the database used 10 Gb, but it was completely unsuccessful. Later, I decided to give it a try if I wanted to export the file at 11. If