• 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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