Oracle

Whether it's at conferences, or when friends/netizens privately consult Oracle database restores, I stress that if you're not sure, you should make a backup of your site to make sure there are no two damage to the site. You cannot restore the

Oracle Server: Red Hat Linux 5.10 x64Oracle version: 10g 10.2.0.5.0 x64Plsql machine System: Windows Server 2003 SP2 x64Plsql Machine Database client version: Oracle 10g x32Plsql version: 9.0.6.1665 x32 Phenomenon: PLSQL Login Hint Ora-12154:tns:

In the work, sometimes need to check out the data in the table, save in TXT format or CSV format, in order to do data retrieval and analysis. With more than tens of thousands of lines or hundreds of thousands of of rows of data, or millions of rows

Oracle's EXP/IMP command is used to implement export/import operations on the database; The EXP command is used to export data from the remote database server to the local, generating DMP files; The IMP command is used to import local database dmp

If you use this statement in MS SQL Server: The code is as follows Copy Code Select Top 2 * from test01 Oracle's statement: The code is as follows Copy Code SELECT * FROM (select

First, export/import (Export/import)Export can be used to extract data from the database, the use of import can be extracted from the data sent back to the Oracle database.1, simple Export data (export) and imported data (import)Oracle supports

In Oracle version 12.1.0.1, the business PDB cannot be automatically open during the CDB database startup, and if you want to implement this feature, you need to write a trigger to implement the CDB open, and the PDB will open. In 11.1.0.2 and later

PHP under the Linux/unix to connect Oracle8 is very easy, but under the Windows platform is not easy, I after a long exploration to find a reliable way, do not dare to enjoy alone, It is now published for the feast. The author uses the development

This article takes SQL Server 2k as an example to illustrate the specific implementation of SQL Server to an Oracle connection server. 　 1. require PC to install Oralce client software and sqlserver2000 software. 　 2. Client configuration

Considerations for MySQL to Oracle program migration 2001-09 There are many application projects, just started with the MySQL database can basically achieve a variety of functional requirements, with the increase in application users, The increase

The site's services were interrupted, the restart found that the Oralce service does not exist, and do not want to restart the machine, restart the next oralce, and then restart the service, buttoned.Operation of the Oracle9i: (other should also be

Package Dbbean;Import java.sql.*;public class contactbean{Private Connection con; Initialize the connection.Public Contactbean () {try {class.forname ("Oracle.jdbc.driver.oracledriver"). newinstance ();String Url= "Jdbc:oracle:thin: @localhost: 1521:

If the ORACLE data file on the EXT4 file system is accidentally deleted, consider the following two recovery methods:Use testdisk to restore data files from the perspective of the file systemUse prmscan to restore data files from the perspective of

The parameters related to the oracle character set are nls_lang. The format of NLS_LANG is: language_territory.client_charset, for example, AMERICAN_AMERICA.ZHS16GBK. The first AMERICAN represents the language, the second AMERICA represents the date

I. The most common sorting method1) sort by strokesSelect * from Table order by nlssort (columnName, 'nls _ SORT = SCHINESE_STROKE_M ')2) sort by department headsSelect * from Table order by nlssort (columnName, 'nls _ SORT = SCHINESE_RADICAL_M ')3)

Before 12.1.0.2, use startup trigger: The code is as follows:Copy code -- Create startup trigger in CDBCreate trigger open_all_pdbsAFTER STARTUPON DATABASEBEGINExecute immediate 'alter pluggable database all open ';END open_all_pdbs;/Use PDB

In some cases, it is easy to accidentally delete the stored procedure. How can we restore the deleted stored procedure? Here are some simple solutions!First, I have prepared a test case, as shown below:SQL> conn roger/rogerConnected.SQL> CREATE OR

After the Oracle database is installed, an XDB window will pop up when we access port 8080, requiring the user name and password to be entered. This will conflict with some local applications that use this port, such as tomcat and jboss. Although