oracle database connection in java

");}} Dbconnection. Java Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Import java. SQL. connection; Import java. SQL. drivermanager; Import java. SQL. sqlexception; Import com. hnii. xml. readconfigxml; Public class dbc

Nonsense not to say more, directly to everyone to paste the key code, the specific code as follows: Package com.sp.test; Import java.sql.*; Import java.util.*; public class Text_lianxi extends Thread {public void run () {try {yunxing (); Thread.Sleep (10000); The catch block (Interruptedexception e) {//TODO automatically generated catch blocks E.printstacktrace ();} Input function Public string[] Shuru () {System.out.println () Enter the details of the examinee in order: \ n Test grade, I

If Oracle is set to be inaccessible for a certain period of time, the connection will be automatically closed, so that when Java accesses Oracle again, an IO exception will occur.Solution: Add the following configuration information to the spring datasource configuration.

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: @dvd"; The error is as follows: Java.sql.SQ

above objects individually, because if you do not close it, it will affect performance and consume resources $ //Note the order of the closing, the last used first closePanax Notoginseng if(Result! =NULL) - result.close (); the if(Pre! =NULL) + pre.close (); A if(Con! =NULL) the con.close (); +SYSTEM.OUT.PRINTLN ("The database connection is closed! "); -

　　 Packageconnectionoracledatabase;Importjava.sql.Connection;ImportJava.sql.DatabaseMetaData;ImportJava.sql.DriverManager;Importjava.sql.PreparedStatement;ImportJava.sql.ResultSet;Importjava.sql.SQLException; Public classConnectionoracledatabaseutil {/*** This is a successful case of connecting Oracle database *@paramargs*/ Public Static voidMain (string[] args) {//get

Event: The report interface database was suddenly unable to connect, resulting in an inability to count operations properly. Exception information: Io exception: Got minus one from a read call analysis: The database address and its configuration information are changed, after the query that the database adjusted to the cluster working mode. Results: 1. Modify the

off JDBC (open back off) the rst.close (); - st.close (); $ con.close (); the}Catch(ClassNotFoundException e) { the e.printstacktrace (); the } the Catch(SQLException e) { - e.printstacktrace (); in } the } the PublicString Getdriver () { About returndriver; the } the Public voidsetdriver (String driver) { the This. Driver =driver; + } - PublicString GetUrl () { the returnURL;Bayi } the Public voidse

packagecn.com.login.dao;importjava.sql.connection;importjava.sql.drivermanager;import java.sql.preparedstatement;importjava.sql.resultset;publicclasslogindao{ publicstringgetusername (Stringusercode) {connection con=null;preparedstatementpre=null; ResultSetresult=null;StringuserName= ""; try{class.forname ("Oracle.jdbc.driver.OracleDriver"); // Load the Oracle driver System.out.println ("Start trying to con

Tags:idt nodes borderjdbc2.0 contains add1.5oracle database Format one: Use ServiceName mode:Jdbc:oracle:thin:@//Example Jdbc:oracle:thin:@//xxx.xxx.xxx.xxx:1526/cdevAfter @ there is//, which is the main difference from using SIDS. (11g does not add after @//OK)This format is the recommended format for Oracle.Because the SID for each node is different for the cluster, the service name can contain all nodes.Format two: Use SID mode:Jdbc:oracle:thin:@

A packaged tool class that links Oracle databases to easily get connection objects to close statement, ResultSet, statment objects, and so on Copy Code code as follows: Package myutil; Import java.sql.Connection; Import Java.sql.DriverManager; Import java.sql.PreparedStatement; Import Java.sql.ResultSet; Import java.sql.SQLException; Import java.sql.Statement; /** * Link

getConnection (){ Connection con = null; Try { Class. forName ("com. mysql. jdbc. Driver "); Con = DriverManager. getConnection ("jdbc: mysql: // localhost: 3306/login", "root", "123456 "); } Catch (Exception e ){ E. printStackTrace (); } Return con; } } Iii. Oracle Database Package cn.com. systop. l03.dbconnection; Import j