Oracle

Working Group accidentally touches the virtual machine, is curious to install one to play. Later I heard that the database can be installed on the virtual machine, go home on the busy, and did not have a long time to succeed, and then my friend Xiao

=========================================================== Author: flysky0814 (http://flysky0814.itpub.net)Comment posted: 2007.11.28 11:14Category: oracle10gSource: http://flysky0814.itpub.net/post/35477/419443--------------------------------------

In general, Oracle's bad blocks can be divided into two scenarios: physical and logical corruption. Physical damage is caused by storage, which causes Oracle to find that the block's checksum is inconsistent when it processes data blocks. The

Today I saw a book about Oracle SQLJ and wanted to try it. But my ubuntu14 only installed the streamlined client of Oracle. No SQLJ, so thought with Ibm-db2 's Sqlj, incredibly successful. First, copy the Runtime12ee.jar Runtime12.jar Translator.jar

Scenario one (assuming the user only browses to the previous dozens of pages):Idea: Take out the page size * Number of pages of data, and then get to Intstartindex and Intendindex direct data; Advantages: Simple writing, universal, suitable for

[[email protected] rman]# su-oracle[[email protected] ~]$ Rman target/Recovery manager:release 11.2.0.3.0-production on Fri Sep 19 09:47:47 2014Copyright (c) 1982, Oracle and/or its affiliates. All rights reserved.Connected to target

First step: Create a package interface similar to the interface definition in Java Create or Replace package Pack_sc_hmd_khis--declaration of methods PROCEDURE Proc_hmd_kh ( p_y VARCHAR2, p_m VARCHAR2, P_d

first, Structured Query language ( SQL )1 , Data manipulation language ( DML )INSERTUPDATEDELETE2 , data definition languageCREATEAlterDROPRENAMETRUNCATE3 , transaction control ( TC )COMMITROLLBACKSavePoint4 , Data Control Language ( DCL

SELECT R.industry_1,r.industry_2,r.agent_id,r.agent_name,COUNT (DISTINCT r.customer_name_a) total data,COUNT (DISTINCT case is r.ifhs= ' Y ' then r.customer_name_a END) amount of customs data,COUNT (DISTINCT case is r.ifgjh= ' Y ' then

The process of extracting the specified data from the metadata table into the target table using the job simulation timing.First, create a meta-data table--create Table test_origianl　　CREATE TABLE Test_original_data (ID Number (10,2) primary

In order to meet the requirement of bulk insertion of large data volumes, we have recently researched the bulk insert of Oracle database, this article first describes the two days to understand and an unsuccessful C + + for the storage procedure

Table Space Basic Commands--Create TABLE space initialization size 10M auto grow 5M max 50MCreate tablespace Duan datafile ' F:\oracle\product\10.2.0\oradata\orcl\duan.dbf ' size 10MAutoextend on next 5M maxsize 50M;--Querying table space for

Brief description today when writing SQL, the ID in table A is stored according to the tree structure. Now it is necessary to connect with the node_id in table B and take out the information that node_id in B can connect to the node_id of any level

1.SUBSTR: Find substrings in the parent stringSUBSTR (' HelloWorld ', 1,5)1: Represents the starting position of the substring, if positive, positive, negative, reciprocal5: The terminating position of the string, only the right number, can be

SQL Server obtains data types such as column name, column type, column type length, Scale,prec, and so on (Syscolumns,systypes,sysobjects are all views)Select A.name as ColName, b.name as typename,a.length as length,a.scale as scale,a.prec as Prec

How the Windows environment recovers (Oracle 11g Grid) OCR voting corrupted clustersAfter the Oracle 11g OCR can be placed on the ASM disk, and ASM boot depends on OCR and Votedisk, so the loss of OCR or Votedisk will cause cluter not start

Optimize data batch processing performance and batch processing performance 2014-10-04 BaoXinjian I. Summary PLSQL _ performance optimization series 11_Oracle Bulk Collect There is an overhead for running SQL statements in PL/SQL programs, because

Services on which Oracle runs depends, and services on which oracle runs 1. Oracle orcl vss Writer Service. Oracle Volume ing Copy write Service. VSS (Volume Shadow Copy Service) allows storage basic devices (such as disks and arrays) to create high

FAL [client]: Failed to request gap sequence GAP, falgapI. Problem Description After the host where the master and slave databases are located is restarted, rac (master database) is automatically started upon startup, but the slave database (Single

[Oracle] export and import of OCR backup and recovery Back up and restore OCR using exported import: Before adjusting the cluster, for example, adding or deleting nodes, you should back up OCR once. You can use export to back up to the specified