Oracle 开发篇+Java调用OJDBC访问Oracle数据库

• 标签：JAVA语言、Oracle数据库、Java访问Oracle数据库
• 释义：OJDBC是Oracle公司提供的Java数据库连接驱动程序

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★ 实验环境

※ Oracle 19c
※ OJDBC8
※ JDK 8

★ Java代码案例

package PAC_001;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.SQLException;
import oracle.jdbc.pool.OracleDataSource;
public class CLA_oracle {public static void main(String args[]) throws SQLException {OracleDataSource ods = null;Connection conn = null;Statement stmt = null;ResultSet rset = null;ods = new OracleDataSource();ods.setURL("jdbc:oracle:thin:@1.1.1.9:1521/prodpdb1");ods.setUser("zzt");ods.setPassword("zzt");conn = ods.getConnection();try {stmt = conn.createStatement();rset = stmt.executeQuery("SELECT count(*) FROM zzt.emp");while (rset.next())System.out.println("count(*) is : " + rset.getString(1));}finally {if (rset != null)rset.close();if (stmt != null)stmt.close();if (conn != null)conn.close();}}
}

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