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JDBC thin, OCI: two Java methods provided by Oracle to access the Oracle database thin is to use Java to access the database, the advantage is that you do not need to install the client OCI, that is, to use Java to call the local Oracle client and then access the database. The advantage is that the database is fast but
Tags: style blog io ar color os sp for Java Packagecom.test;Importjava.sql.Connection;ImportJava.sql.DriverManager;Importjava.sql.PreparedStatement;ImportJava.sql.ResultSet;Importjava.sql.SQLException; Public classDbconn { Public StaticConnection Getconn (String db) {string drivername=""; String Dburl=""; String UserNa
Xuzhou needs to connect to a third-party database. The original database uses a Windows Cluster and is recently changed to the RAC mode, leading to frequent JDBC connection errors. Solution:
1. connection string Configuration:
JDBC: or
driverSystem.out.println ("Start trying to connect to the database!") "); String URL= "Jdbc:oracle:" + "thin:@127.0.0.1:1521:xe";//127.0.0.1 is a native address, XE is the default database name for Lite OracleString user = "System";//user name, system default account nameString Password = "147";//The password you selected when you installed the settingscon = drivermanager.getconnection (url, user, password);//Get ConnectionsSYSTEM.OUT.PRINTLN ("
Oracle.jdbc.driver.OracleDriver.getConnectionInstance (oracledriver.java:442) At Oracle.jdbc.driver.OracleDriver.connect (oracledriver.java:321) At Org.apache.commons.dbcp.DriverConnectionFactory.createConnection (driverconnectionfactory.java:38) At Org.apache.commons.dbcp.PoolableConnectionFactory.makeObject (poolableconnectionfactory.java:294) At Org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory (basicdatasource.java:1247) At Org.apache.commons.dbcp.BasicDataSource.createDataS
notestablish the Connection" Wh Ile connecting to Oracle Database 11g [ID947653.1]
Change the JDBC connection driver class Inyour application Server from:
Oracle.jdbc.driver.OracleDriverToOracle.jdbc.OracleDriver
2.4 Using TNS Name:dvd
String Dburl = "Jdbc:oracle:thin:
How to use sequence to generate auto-incrementing sequences in oracle Data Tables through JDBC
Http://www.blogjava.net/zhyiwww/archive/2010/03/08/314825.html
Use JDBC to insert data to ORACLE and identify column auto-incrementing column.
Http://blog.csdn.net/it_wangxiangpan/article/details/5454923
The
In the SPRINGMVC framework, Oracle Data sources are configured in Spring-servlet.xml as follows:
destroy-method= "Close" >
The exception is as follows:
caused by:org.springframework.jdbc.CannotGetJdbcConnectionException:Could not get JDBC Connection; Nested exception is org.apache.commons.dbcp.SQLNestedException:Cannot create
, 2002, Oracle Corporation. All rights reserved.sql> Conn user/[email protected] as sysdba//user and password are your needs bark username and password, such as sys/ 123456 error:ora-12500:tns: Listener cannot start private server processSql>exit;Cause: The local database corresponding service is not open, in the service to the Oracleu corresponding service opened(4) connect to the databasee:\>sqlplus/nologSql*plus:release 9.2.0.1.0-production on
configuration information in Oracle Net Manager management, and then link the string to the following notation:
Data SOURCE=TORCL; User Id=myusername; Password=mypassword;
Other ways of connecting, refer to the following, from other websites:
Oracle Connection string Summ
=jar-dfile= Ojdbc7.jarThen it's still a mistake.Later I found the cause of the error because I was under windows and I ran this section of the program on the GIT command line that was opened.Open the Windows command-line interface, enter the ~/additional_jars/directory, and then run:MVN install:install-file-dgroupid=com.oracle-dartifactid=ojdbc7-dversion=12.1.0.2-dpackaging=jar-dfile= Ojdbc7.jarShow "BUILD SUCCESS".You can then add dependency to the MAVEN project, and the coordinates correspond
TransactionsAs the basic unit of logical processing, it is composed of one or more SQL statements for database operations . Of course, there is a good application for non-database operations, such as a restore point set on a computer. The basic nature of the transaction is described in another article: SQL Transactions and example demonstrationsOracle and SQL Server differ on transactions transactions in SQL Server are generally divided into implic
I haven't written any code about database connection for a long time, so I can't even do it. I posted a record.
Database-related object classes:
package com.lliu.JDBC;public class AAA {public AAA(){}public AAA(int ID, String name, String dept){this.setID(ID);this.setName(name);this.setDept(dept);}public int ID;public String
the connection: ? can call DriverManager Class of getconnection () method to establish a connection to the database ? JDBC URL used to identify a driver that is registered with the driver manager through this URL Select the correct driver to establish a connection to the database. ?
There are two ways in which JDBC connects to an Oracle database:
Connection Database SID
Connecting to a database service_name
When the SID is connected, the string is as follows:URL="Jdbc:oracle:thin:@192." 168.56. :1521: orcl1 "Password=When Service_Name is connected, the
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