what database connection

JDBC: database connection pool, jdbc database connection pool Required tools Commons-pool2-2.3.jar: dependency library implemented by connection pool Commons-dbcp2-2.0.1.jar: Implementation of Connection Pool C3p0-0.9.2.1.jar If Method

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

  I. Problem IntroductionIn java programs, you need to access the database and perform operations such as adding, deleting, modifying, and querying. How to access the database and perform database operations?   Ii. Java database connection method

The need for a JDBC database connection poolWhen using the development of a database-based Web program, the traditional pattern is basically the following steps: Establish a database connection in the main program (such as servlet, beans).

This example uses MySQL database, so please download Mysql-connection.jar first In our actual development, can not be separated from the database to deal with. and database communication, inseparable from the database connection.Typically, when you

The tools you needCommons-pool2-2.3.jar: Dependency libraries for connection pooling implementationsCommons-dbcp2-2.0.1.jar: Implementation of connection poolingC3p0-0.9.2.1.jarIf you use C3p0 to appear Method ' initializationerror ' not

talking about the principle of database connection pool Hong Jongjun This time we take a technological evolution to talk about the process of database connection pooling technology and its rationale, and the most popular open source database

-- what data structures are used for connection pooling? --Implementation of connection pooling code--Thread safety issues "database connection pool design ideas and Java implementation" "http://blog.csdn.net/shijinupc/article/details/7836129" Java

The author uses the dynamic proxy in Java to implement the database connection pool, so that users can use the connection pool with common JDBC connection habits. The database connection pool is frequently used in writing application

1, when using the development of database-based web programs, the traditional mode is now the main program in the Resume database connection, when the SQL operation is completed after the database connection is disconnected. There are some problems

This time we take a technological evolution to talk about the process of database connection pooling technology and its rationale, and the most popular open source database connection pool jar package today.I. How do we perform database operations

One, database connection pool1. Database connection pool is a collection of database connections (Connection)We get a database connection is a relatively cumbersome process, if we get a database connection,Use it once and then turn it off the next

Working principle of database connection pool and the generation of this technology, working principle of Database Connection Why does this technology exist? Database connection is a very precious and limited resource, especially on the network of

Use Dynamic proxy in Java to implement database connection pool 内容：介绍介绍参考资料关于作者-->

Environment: 1. Database: Microsoft SQL Server 20002. Database DRIVER: net. SourceForge. jtds. JDBC. DriverJNDI (Java Naming and Directory Interface) Overview:Tomcat4 (5) provides an initialcontext implementation instance that is compatible with

I. Database connection pool INTRODUCTION 1. Reasons for database connection poolingFor a simple database application, the access to the database is not very frequent. You can simply create a new connection when you need to access the database, and

MyBatis in-depth access to database connectionsThe main record mybatis when to get a database connection and get a database connection. The challenge is to understand the process of obtaining a database connection using the MyBatis database

Statement: The material used in this column is written by the VIP students of the Kay Academy, who has the right to be anonymous and has the final right to interpret the article; The Edith Academy is designed to promote students to learn from each

Database connection is a key, limited, and expensive resource.ProgramIs particularly prominent. Database connection management can significantly affect the scalability and robustness of the entire application, and affect the performance indicators

Reference Post Link: https://www.cnblogs.com/xdp-gacl/p/4002804.htmlOne: The disadvantage of not getting connections directly to the database through connection poolingEach time a user requests a link to the database, the database creation