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jdbc 可滚动的结果集,可更新例子学习记录

2011-12-29 21:00 561 查看
 
 
处理可更新的结果集例子new oracle.jdbc.driver.OracleDriver();
String url = "jdbc:oracle:thin:@192.168.0.1:1521:SXT";
Connection conn = DriverManager.getConnection(url,"scott","tiger");
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
 ResultSet.CONCUR_READ_ONLY);
ResultSet rs = stmt.executeQuery("select * from emp order by sal");
rs.next();
rs.updateString("ename","AAAA");
rs.updateRow();
rs.moveToInsertRow();
rs.updateInt(1,9999);
rs.updateString("ename","AAAA");
rs.updateInt("mgr",7878);
rs.updateDouble("sal",99.99);
rs.insertRow();
rs.moveToCurrentRow();
rs.absolute(5);
rs.deleteRow();可滚动的结果集例子new oracle.jdbc.driver.OracleDriver();
String url = "jdbc:oracle:thin:@192.168.0.1:1521:SXT";
Connection conn = DriverManager.getConnection(url,"scott","tiger");
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
ResultSet rs = stmt.executeQuery("select * from emp order by sal");
rs.next();
System.out.println(rs.getInt(1));//也可以通过列名获取列值
rs.last();
System.out.println(rs.getString(1));
System.out.println(rs.isLast());
System.out.println(rs.isAfterLast());
System.out.println(rs.getRow());
rs.previous();
System.out.println(rs.getString(1));
rs.absolute(6);
System.out.println(rs.getString(1));
rs.close();
stmt.close();
conn.close();
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