Oracle

My system is win7 32-bit flagship Chinese version, and the database is oracle10g.Http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip 10gAn error message is displayed when you directly install Oracle10g in win7, resulting in a

  For DBAs, database jobs are too familiar, because it is often necessary for the database to automatically execute scripts at regular intervals, back up the database, refine the data, or optimize the database performance, this includes re-indexing

  SQL & gt; select userenv ('language') from dual; USERENV ('language ') ---------------------------------------------------- AMERICAN_AMERICA.WE8ISO8859P1 SQL & gt; select userenv ('language') from dual; USERENV ('language ') -----------------------

  Create or replace procedure test_proc is V_corpid corpinfo. corpid % type: = '20140901 '; Vv corpinfo % rowtype; -- Define a cursor Cursor one is Select * from corpinfo where corpinfo. corpid like v_corpid; Begin -- Traverse cursor 1 Open

When I encountered a problem in the project, I searched from the Internet and thought the following explanation was easy to understand: Assume that oracle has two users: admin and visitor.We created the testtable table in admin and granted

1. syntax for creating a partition: Create table table_name (......) Partition by range (column_list) ( PARTITION partition_name values less than (values_list) TABLESPACE tablespace_name, ...... ) Table_name: Table name; Column_list: List of

When oracle8 is released, objects can be used in the database. You can define your own classes, that is, object types. They are similar to classes in java and can contain constructors, attributes and methods ., Object Types sometimes become

The company's system uses tomcat + jsp + oracle. Currently, the system runs normally. Now there is a problem with the date when the system imports excel tables in batches.This system supports the date format, while the default date format in the

In OAF development, dynamic queries cannot be avoided, that is, queries based on user input conditions. Of course, there are many methods in OAF, however, one method is the most common.1. Call the processRequest method in the controler.Am.

Complete oracle rman backup recovery example　Author: zhumy1. Create rman database as repository$ More createrman_db1.shSet echo onSpool makedb1.logCreate database rmanDatafile '/export/home/oracle/oradata/rman_data/system. dbf' size 50 m

The data exported from oracle9i is imported to oracle10g. After being called by the program, it is found to be garbled, I thought it was about the RHEL5 system character set. After several modifications, I found that there was a problem with the

Oracle sequence Learning I. Create a sequenceCreate sequence [user.] Increment by Start with [Maxvalue | nomaxvalue][Minvalue | nominvalue][Nocycle]  it can be positive or negative, but cannot be 0. If this clause is not available, the default

I. methods for identifying statements that occupy a large amount of resources (4 methods)1. Problems Related to slow response reported by the test group and end users.2. Use the V _ $ SQLAREA view to provide execution details. (Number of executions,

The project involves big data parsing and import. Before importing a piece of data each time, you need to go to the database to determine whether the data exists. This data is used for update and insertion., The execution efficiency is not generally

How to Prevent oracle from using linux's swap partition from frequently seeing the swap partition being used? The cached content was originally designed to increase the hit rate, and the results were constantly swapped in and out, resulting in an

Database (Oracle) O & M work content and common script commands 1. system resource status: -- Memory and CPU resources -- linux, solaris, aix vmstat 5 -- Note: 1) observe the Amount of idle memory and whether the amount of idle memory is stable. If

Explore the concept of ORACLE 11g DataGuard_01 1. What is DataGuard is a high-availability technology specifically designed for oracle databases, which was called Standby Dtabase before 8i, from 9i, it was officially renamed as DataGuard. Generally,

Oracle tablespace expansion steps -- 0, with oracle user login database corresponding IP--1, with sysdba login database sqlplus/as sysdba -- 2, query the tablespace data file list select file_name from dba_data_files where tablespace_name =

ORACLE: plsql optimization 1. After logon, My Objects is automatically selected by default? Setting Method: Tools menu -- Brower Filters will open the order window of Brower Filters and set "My Objects" to default .? Similarly, you can move the

Oracle basic operations, I personally did -- create a tablespace (where TWC. DBF does not need to be manually created.) ----- a tablespace of 20 mb is created, which automatically increases by 5 MB and can be increased without limit, ------ as long