Oracle

1, view the parameters of the undo section Sql> show parameter undo; NAME TYPE VALUE ------------------------------------ ----------- ---------- Undo_management string AUTO-> changed to Manual Undo_retention Integer 900 Undo_tablespace string

The simplest type of writing is a fool Oracle_database_linux32.zip is the name of the installation package Configuration is simpler and more simple, so no variables are used #!/bin/bash ################### Yum and rpm ###################

Database mirroring is the movement of database transactions from one database to another in a different environment. A mirrored copy is an alternate copy that cannot be accessed directly, and is used only in the case of error recovery. Oracle

Oracle Financial Services Application (OFSA) technology platform: includes Oracle Warehouse Builder Data Warehouse build tools, Oracle8i database, Oracle Express multidimensional database , Common Warehouse metadata General Data Warehouse metadata

Starting January 18, 2005, Oracle plans to provide critical patch updates quarterly. These comprehensive patches, provided through Metalink, will address significant security vulnerabilities, and include fixes that customers may apply or

oracle| Data Oracle's BLOB field is special, he is much better than a long field, and can be used to save binary data, such as pictures. It is very different to write a BLOB field and write to another type of field, because the BLOB itself has a

Oracle The Process Memory: In addition to the SGA (System Global area), the Oracle process also uses the following three global zones: The Process Global area (PGA) The User Global area (UGA) The call Global area (CGA) A lot of people don't

error|oracle| Solution "Error Condition" [ORACLE@CCDEVSVR admin]$ Exp Wmap/pass@jackeydb Export:release 8.1.7.4.0-production on Fri Oct 8 11:28:37 2004 (c) Copyright to Oracle Corporation. All rights reserved. Connected to:oracle9i Release 9.2.0

oracle| problem Oracle Common fool question 1000 Q (Ten) Author: ccbzzp 9I managed data Dictionary DBA view. 485. dba_2pc_neighbors Contains connection information for the introduction or outflow of pending transactions. 486. Dba_all_tables

Most WEB applications today need to adopt at least some basic security policy. For example, a Web site that provides password-protected content, only Web sites with admin backend, blogs and personal magazines, E-commerce sites, intranet, and so on.　　

There are two ways to compute Oracle License: By number of users and number of CPUs. These are calculated by CPU as follows: License Number = The number of CPU cores * Core Factor One of the core Factor can refer to the official document Oracle

Nine Incremental backups With incremental backups, RMAN allows users to back up only blocks of data that have been modified since the last incremental backup. Incremental backups have the following somewhat: (1) Less use of disk or tape (2)

The Sql*plus user name in Oracle is the system user, and the password is the password you set.If the password is forgotten, it can be reset by the following method.1, Win key +r key, enter cmd, open command prompt.2. Input Sqlplus/nolog3. Continue

Oracle's common performance monitoring SQL statementsFirst, query the history of sql:---The SQL statement being executed:Select A.username, A.sid,b.sql_text, B.sql_fulltextFrom V$session A, V$sqlarea b where a.sql_address = b.address;---Query the

When using spring's jdbctemplate to invoke the databaseThe following problems have arisenSqlerrorcodes loaded: [DB2, Derby, H2, HSQL, Informix, Ms-sql, MySQL, Oracle, PostgreSQL, Sybase]This is typically caused by an error in the SQL statementThis

1. Oracle String manipulation1.1 String Type? Char and VARCHAR2 typesL Char holds the fixed long character, if the data is not satisfied with the specified length is filled with spaces, char type wasted space in exchange for the shortening of query

Oracle Performance Optimization performance tracking tool-beyond OCP proficient in Oracle video tutorial Training 34Course IntroductionOracle Video tutorial, wind Brother this set of Oracle Tutorial training > 4th 10 Sets: Performance tracking tool

Oracle DBA Database Senior Engineer Training Package (series more than 60 sets + seven phases + thousands of cases)DescribeOracle DBA Database Senior Engineer Training course is the wind brother alone research and development of the fine combat

Detailed description of Oracle CURSOR instance, oraclecursor CURSORI,Cursor Overview Cursor is a data buffer provided by the database system in the memory. It stores the execution results of SQL statements. Each cursor has a name. You can use SQL

How to import data to oracle database using SQL * loader, loaderoracle When you need to import massive data into the database, the efficiency of using the graphical interface tool is very low. Here we will briefly introduce how to import the