Oracle

1 2 3 4 5 6 7 ABS (x) "function" returns the absolute value of x "parameter" x, numeric Expression "returns the number" sample "Select ABS ( -100) from dual; ? 1 Sign (x) "function" returns the positive negative value "

How to create an Oracle large file table space Sql>create bigfile tablespace Table name DataFile ' d:\ndo\ddo\ table name. DBF ' SIZE 500M autoextend on; Sql>create bigfile tablespace BF_IMAGES_XP DataFile ' e:\datacenter\bf\bf_images_xp.dbf '

oracle| optimization Oracle Optimizer: Migrating to using the cost-based optimizer-----series 1.2 3.2 Cost-based optimizer (CBO) Methodologies based on cost optimizer following computational costs. All execution plans are identified with cost, and

Oracle stored procedure Basic syntax stored procedure1 CREATE OR REPLACE PROCEDURE Stored procedure name2 is3 BEGIN4 NULL;5 END;Line 1:Create OR REPLACE PROCEDURE is an SQL statement that notifies the Oracle database to create a stored procedure

Problem Description 1:c:\users\administrator>lsnrctl StartLsnrctl for 64-bit windows:version 11.2.0.1.0-production on December-December-20144:50Copyright (c) 1991, Oracle. All rights reserved.Start Tnslsnr: Please wait ...Failed to start service,

 Attachment Download FunctionUsing the Fnd_lobs table in conjunction with the FND_GFM package to download files, you can download files that already exist in the Fnd_lobs table, or you can manually write some content into the Fnd_lobs table, and

1, first download instant Client to Oracle website:Http://www.oracle.com/technology/global/cn/software/tech/oci/instantclient/index.htmlChoose a different instant client version based on your operating systemDownload back is a compressed file,

Here is the main point I encountered in the application of the problem, the main process reference http://www.cnblogs.com/duwenlei/p/3520759.html.Start MySQLMigrationTool.exe "initialized Java loader" error first, such asI discovered it because my

This article goes from the CSDN blog, http://blog.csdn.net/helifengwell/archive/2010/08/18/5820434.aspx1, first download instant Client to Oracle site:Http://www.oracle.com/technology/global/cn/software/tech/oci/instantclient/index.htmlChoose a

some summary of DRM1. What is DRMDRM (Dynamic Resource Management) is a new feature of Oracle 10g, where Oracle uses GRD (Global Resource Service) to record resource information for individual nodes in an Oracle RAC environment. This is specifically

Previously wrote an article by modifying the control file to modify the path of the problem, now use method two through rename to modify the path of the problemExperimental object: Two Linux stand-alone Oracle 12C databases (both large and small

Selection:32-bit memory is a bottleneck, already 64-bit era. Use 64-bit CentOS6 and 64-bit Oracle 11g R2In virtual machine installation, the network is set up by hostonly modeNote: Network adapter to set up ICS (Internet Connection Sharing) to the

Environment HOST: Windows XP VM: Oracle VM virtualbox 3.2.6 Vm OS: Ubuntu 10.04 Desktop   1. Set the shared folder in Oracle VM virtualbox     2. Install vboxguestadditions   3. Enter Ubuntu and enter the following command:

1. Oracle startup and Shutdown1. In a single-host environmentTo start or shut down the Oracle system, you must first switch to the Oracle user, as shown below:Su-Oracle A. Start the Oracle SystemOracle> svrmgrlSvrmgr> connect internalSvrmgr>

 1. Oracle xdk Component Description   Before the description, we first use the following SQL statement to check the components in the database: SQL> Col comp_id for A15 SQL> Col version for A15 SQL> Col comp_name for A30 SQL> select comp_id,

Sort out the key points of Data Query Optimization in Oracle databases, and query oracle Data The most basic task of a database is to store and manage data. The only database feature that an end user can see is its performance: the speed at which

Bkjia.com exclusive Article] Oracle 10 GB Data guard is a powerful tool to ensure high availability of enterprise data, data protection and disaster recovery, I have been using the grid console and SQL commands to work on the data guard/backup

Quick Configuration Guide for Oracle11gDataGuard physical standby database (I)Origin I recently conducted a physical standby Database Configuration experiment of 10g and 11g, and found that Data Guard is actually very easy, but there is a lack of

Although the oracle 11g Database provides the linux x86 version, only Red Hat, Novell and Solaris versions are supported. debian and ubuntu are not supported, therefore, it is relatively troublesome to install ubuntu. Please follow the steps below

Scalable lgwr is an exciting feature introduced in 12cR1, because LGWR writes logs in the OLTP environment often become the main performance bottleneck of the system. If the LGWR process can be like DBWR (DBW0 ~ As long as multiple processes (LGNN)