jdbc database connection example

Label:In modern program development, a lot of development is based on database, the connection of Java database is particularly important. JDBC provides a platform-agnostic standard Java API for executing SQL statements that facilitates uniform operation of multiple relational databases, consisting of a set of classes

Common database JDBC Connection notation1. MySQL (http://www.mysql.com) Mm.mysql-2.0.2-bin.jarClass.forName ("Org.gjt.mm.mysql.Driver");cn = Drivermanager.getconnection ("Jdbc:mysql://mydbcomputernameorip:3306/mydatabasename", SUSR, SPWD);2. PostgreSQL (http://www.de.postgresql.org) Pgjdbc2.jarClass.forName ("Org.postgresql.Driver");cn = Drivermanager.getconnecti

This paper introduces the working principle of database connection pool based on JDBC, expounds the key technologies such as transaction processing of connection pooling technology, multi database server and so on, puts forward an efficient

Create a program that connects the database with JDBC, which contains 7 steps: 1. Load JDBC Driver： Before you connect to a database, you first load the drive to the JVM (Java Virtual Machine) of the database you want to connect to. This is implemented by the static method

:" +Age ); $System.out.print (", Author:" +author); -System.out.println (", Represent:" +represent); - } the rs.close (); - stmt.close ();Wuyi conn.close (); the}Catch(SQLException se) { - se.printstacktrace (); Wu}Catch(Exception e) { - e.printstacktrace (); About}finally{ $ Try{ - if(stmt!=NULL) - stmt.close (); -}Catch(SQLException se2) { A } + Try{ the if(conn!=NULL) - conn.close (); $}Catch(SQLException se) { the se.printstacktrace (); the } the

Tags: readability update delete CTI Execute database use API name"Learning notes" JDBC Database connection technology (Java DB Connectivity)I. Introduction of JDBCJava is the use of JDBC technology to achieve access to various databases,

Tags: rest set table null name row drive a database strJDBC Connection Database? Create a program that connects to the database in JDBC with 7 steps:1. Load the JDBC driver:Before connecting to the

Code and steps for JDBC Connection database in Java development Create a JDBC Connection database program, a total of 7 steps:1. Load Database driverBefore connecting to the

In the development of database application based on JDBC, the management of database connection is a difficult problem, because it is an important factor to decide the application performance. Based on a thorough analysis of database con