Oracle

Oracle Financial Services Application (OFSA) technical platform: includes Oracle Warehouse Builder Data Warehouse building tool, Oracle8i Database, Oracle Express multi-dimensional database, Common Warehouse Metadata Common Data Warehouse Metadata

I. experiment environmentDb_A: 192.168.0.3 db_ B: 192.168.0.4Db_A is the production database, and db_ B is the backup database (not running). the environments of the two databases are identical.Ii. Operations1. db_A operationsGrade 0 rman backup on

Recently, my personal requirement is to store files in the database for convenient backup. Therefore, I wrote this class, which is not completely original. I have reference to some online materials, however, through your own tests, you can fully

Example 1: The tablespace data file is deleted by mistake.Delete all data files corresponding to the tablespace in the open state.Use alter tablespace... offline for recover offline tablespace in the open state.Use restore tablespace... to dump all

Oracle grouping and grouping functions 1. summation and averaging 1. What is a group function is the multi-row function we mentioned earlier. It is mainly used for table operations. Because only tables have multiple rows of data. The following uses

Oracle exp imp Export Import instance 1. the export tool exp1. it is the operating system's next executable file storage directory/ORACLE_HOME/binexp export tool to compress the data in the database into a binary system file. you can migrate

Ubuntu has a rare problem when installing Oracle 11g XE in Configure. I can only say that I have solved this Configure problem, however, I suggest you confirm the input method when you press the Enter key. This is what I feel afterwards.

[Oracle Life Philosophy] RMAN Incremental Backup and life principles when practicing RMAN Incremental Backup, refer to ocp tk 042: apparently, based on the answer, archive log is not in the column, even if you hit the south wall, you also want to

In Windows, configure Oracle 11gR2 Data Guard. I used to configure Data Guard when I was never in contact with Oracle. Paid download a detailed configuration document for data guard 11g in windows (requires a mailbox), but many of the parameters

Automatically add DML triggers to a specified batch of tables. In order to track operation records of a batch of tables, you need to perform a trigger tracking on the batch of tables (no audit is used because the Audit requires the SYS permission ),

Oracle 10 Gb rman backup and recovery 4 nocatalog rman recover dbid used to restore spfile and controlfile use configure controlfile autobackup on; backup database plus archivelog delete input; backup supplement RMAN> show all2>; RMAN configuration

In-depth understanding of Oracle partition (3): Partition table and partition index Overview (I) Partition table technology Overview (1) Range partition ① example create table t (... column definition ...) partition by range (week_num) (partition p1

Install ORACLE 11g R2 on CentOS 5.5. Tutorial 1: prerequisites 1. Prepare CentOS. First, what is the most important: partition is the most important. Obviously, the larger the partition, the better, especially the larger the SWAP space, at least 2

Oracle character function lower () upper () length () substr (char, m, n) I. Character function: lower case function: lower (); usage: for example, all the names of a table are in lowercase: select lower (t. ename) from scott. emp t capital function:

The if exists function similar to MSSQL in ORACLE does not have if exists (...) in Oracle (...) currently, there are many solutions. Here, we first analyze the three commonly used methods. We recommend that you use the last one. The first one is the

Dbms_lock.relase cannot release custom locks to solve the problem. Recently, developers say that dbms_lock.allocate_unique custom locks cannot be released when dbms_lock.relase is used. The following is an example to illustrate how it works? 1.

Oracle Data Guard (RAC + DG) archive deletion policy 1. Data Guard master database archive deletion policy: When we set: RMAN> configure archivelog deletion policy to applied on standby; in Maximum Availability and Maximum Performance, when RMAN

Oracle-RMAN full recovery 1. concepts related to RMAN full recovery 1. mainly two commands are used in RMAN full recovery, one is restore and the other is recover. 2. Data can be restored at three levels: database, tablespace, and data file. 3. In

Here we only talk about hints-Based oracle Optimization solutions. In fact, Oracle optimizer has two Optimization methods Based on Rules (Rule-Based Optimization, RBO for short) cost-Based Optimization (CBO) Hints is a mechanism provided by oracle

Creating Multiple indexes in the same column does not seem to be implemented in other databases, but now ORACLE 12C can be implemented, the following describes how to create multiple indexes in the same column. From ORACLE 12C, different types of