摘要: 1:捕获plsql抛出的异常 declarev_ename emp.ename%type;beginselect ename into v_ename from emp where empno=10;exceptionwhen too_many_rows thendbms_output.put_li 阅读全文
posted @ 2016-04-23 17:56 warrior1234 阅读(948) 评论(0) 推荐(0) 编辑