第四章_数据库访问

JDBC（JavaDatabaseConnectivity，打开的数据库联接）是使用程序编程接口（API），描写了一套访问连接数据库的标准Java类库。2、JDBC以Java类库来代替数据库厂商的专有API，客户端只需要调用JDBCAPI，而由JDBC的终结层（即JDBC驱动程序）去管理与数据库的通讯。

(JDBC (JavaDatabaseConnectivity, open database connection) is a standard Java class library that uses a programming interface (API) to describe a set of access and connection databases. 2. JDBC replaces the proprietary API of the database manufacturer with a Java class library. The client only needs to call the JDBC API, and the JDBC terminal layer (ie the JDBC driver) manages the communication with the database.)

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