mysql dsn connection string

PDO ConstructorIn PDO, to establish a connection to a database requires a constructor that instantiates the PDO, the PDO constructor has the following syntax: __construct (String $dsn [, String $username [, String $password [, array $ Driver_options]

Pdo is a newly added database abstraction layer in php5. to solve the problem of accessing the unified interfaces of different databases. Similar to PEAR: DB Class and ADODB class operations, but it is directly encapsulated in php extension and can

The first method can implement my current requirements by connecting different strings to connect different databases. Only mysql,sqlserver,oracle,access is connected for the time being. For access, because it creates a table with SQL statements

Data | database | Chinese in various application development of database, connecting database is the first step of database application development, and also the most important step. For different databases, their connection modes are different, and

This article describes how to use the database configuration and SQL operation instance tutorial in the PHP Yii framework. Yii supports binding multiple databases. This article provides an example of the use of various query statements in Yii, for

Tutorial on Database Configuration and SQL operations in the PHP Yii framework, and tutorial on yii instances Database Access (DAO)Yii contains a data access layer (DAO) built on php pdo ). DAO provides a unified set of APIS for different databases.

Database access (DAO)YII contains a data access layer (DAO) built on top of the PHP PDO. DAO provides a unified set of APIs for different databases. Where ActiveRecord provides interaction between the database and the model (M,model in MVC),

PHP's YII framework uses database configuration and SQL Operations Examples tutorial, yii example Tutorial Database access (DAO)YII contains a data access layer (DAO) built on top of the PHP PDO. DAO provides a unified set of APIs for different

Database Access (DAO) Yii contains a data access layer (DAO) built on PHPPDO ). DAO provides a unified set of APIS for different databases. activeRecord provides interaction between databases and models (M, Model in MVC). QueryBuilder is used to

In the development of various database applications, connecting to the database is the first step in the development of database applications, and also the most important step. Different databases have different connection modes and their connection