difference between datasource and drivermanager

The data source (DataSource) is the data source, call Datasource.getconnection () to get a connection without caring which database to connect to, user name/ What the password is. This is much more advanced than the Drivermanager.getconnection (URL,

JDBC is a JAVAAPI (applicationprogramminginterface application design interface) that can be used to execute SQL statements. It consists of classes and interfaces written in some Java languages. JDBC provides a standard application design interface

1. Data Source introduction:**************************************** **************************************** ***In Java, the datasource object is an object that represents the data source entity. A data source is a tool used to store data. It can

Symfoware Open System-Import method, connection form, execution methodJDBC (Java database Connectivity) is the interface specification for Java and database, and JDBC defines a generic low-level application programming Interface (API) that supports

(By huihoo.org Quaker TAN) Basic Principles of Database Connection PoolIn the traditional database connection mode (that is, using drivermanager to connect to the datasource), a database connection object corresponds to a physical database

Basic Principles of Database Connection Pool Basic Principles of Database Connection PoolIn the traditional database connection mode (that is, using drivermanager to connect to the datasource), a database connection object corresponds to a physical

Http://www.ibm.com/developerworks/cn/java/j-lo-jse65/index.htmlFor a long time, because a large number (and even almost all) of Java applications rely on databases, how to access the database efficiently, reliably, and concisely using the Java

Fundamentals of database connection pooling Traditional database connection way (refers to connect through DriverManager and basic realization DataSource), a database connection object all corresponds to one physical database connection, the

This work is licensed using the "knowledge sharing signature"-"non-commercial use"-2.5 mainland China License Agreement in the same way.     In Java technology, JDBC is the basis for all database operations. Whether it is ibatis or hibernate, its

First, preface Only a bald head can become stronger. Review Front: Guangzhou three to find Java internship experience I wrote my interview experience and some of the questions I encountered during the interview (written