Oracle

1 PackageOracle;2 3 Importjava.sql.Connection;4 ImportJava.sql.DriverManager;5 ImportJava.sql.ResultSet;6 Importjava.sql.Statement;7 8 //Connect to Oracle using JDBC9 Ten Public classtestoracle { One A Public Static voidMain (string[] args) {

Logical backup and Recovery of database (table)--ExportSystem can export any scenario, for example:Exp System/[email Protected] Owner (System,scott) file=d:system.dmp;//Note: Two scenario system scenarios and Scott scenarios can be exportedexp

Static registrationChange the 1521 port in Listener.ora and Tnsnames.ora to 1421, it is very simple Dynamic registration2.1 Change the port in the Listener.ora file to 1421LISTENER =(Description_list =(DESCRIPTION =(address= (PROTOCOL = IPC)

Add annotations to tables, columns, and read annotations in Oracle1. Add notes to the table: Sql>comment on table name is ' table Comment ';2. Add comment to column: sql>comment on column table. Column is ' column comment ';3. Read the Table notes:

Oracle 11gR2 cannot export empty table solution with exp in the 11gR2There is a new feature that does not allocate when the table has no datasegmentto save space,Oracleof course, in execution .Exportwhen exporting, empty tables cannot be exported,

are found on the Internet, the final collection together, the URL has forgotten which is, sorry to create an instance part of this would like to write a script, first of all, the script experiment successfully put up again. Delete Oracle Instance 1.

#!/bin/bash#[email protected]#create tablespaceIf [$#-ne 2]; Thenecho "Usage: $ tablespace_name tablespace_size"Exit 1Fi#configure Oracle Env:about Oracle Envs, username and

This article transferred from: http://blog.chinaunix.net/uid-17079336-id-2832443.html1. Create a PRIMARY KEY constraint while creating a table(1) No namingCREATE TABLE Student (StudentID int PRIMARY key NOT NULL,Studentname varchar (8),age int);(2)

Oracle Data Import Export IMP/EXPFunction: Oracle data import and export imp/exp is comparable with Oracle data restore and backup.In most cases, the data can be backed up and restored with Oracle data import and export (no loss of data).Oracle has

Statement **********************************************Original works, from the "Blue Blog" blog, Welcome to reprint, please be sure to indicate the source, otherwise hold the copyright legal responsibility.Please leave a message or email ([email

After a large number of records are deleted in Oracle, the data block space used in the tables and indexes is not released.Table move frees up the data block space occupied by the deleted records table and organizes the fragments. If you defragment

Instance Recovery phase:1. data File not synchronized2. Roll forward (redo redo)3. Submissions and uncommitted data in the file4. Open the Database5. Fallback (Restore undo)6. Submission data in the fileOptimize instance recovery: (Faster write of

Inventory Oracle Installation Tool OUI to manage the Oracle installation directory  Oracle's parameter file , starting after the parameter file is read in the following order, if the read fails, start the database failure:1 $ORACLE _home/dbs/spfile.

Yes, you've got the right place for this article! Look down slowly!Did the client ever encounter this error with the server?ORA-12518 TNS: Listener fails to distribute client connectionsis not the server on this machine does not write service name,

Oracle database 10g introduces the latest data Dump technology, enabling DBAs or developers to quickly move database metadata (object definitions) and data to another Oracle database.The role of Data Pump export import (EXPDP and IMPDP)1. Implement

Summary of common Oracle knowledge 1. I was so scared to death that I accidentally deleted all the database tables in the development database. The result shows that the following statement is restored to data 1 hour ago! Very simple. Note: Use the

Explain the differences between DELETE, TRUNCATE, and DROP in OraclePrefaceIn the past, when I was working on a project, I seldom paid attention to the details in the knowledge point. Today, I have the opportunity to differentiate several common

Upgrade _ Oracle graphical upgrade (dbca database creation after upgrade)-upgrade 10.2.0.1.0 to 10.2.0.5.0 **************************************** ******************************** ************** Original Works are from the blog of "Deep Blue blog".

Deferred_segment_creation usage in Oracle and exp Solutions SYS @ ORCL> show parameter segment NAME TYPE VALUE-----------------------------------------------------------------------------Deferred_segment_creation boolean TRUERollback_segments

Oracle control file multiplexing 1. Control File multiplexing 1. show parameter control-- View Control File InformationShow parameter spfile-- Check whether spfile exists.Create pfile from spfile;-- Generate pfileShutdown immediate-- Close the