If you’re the one who is looking for PL SQL Jobs, then preparing well for it is the first task to follow because if you are aware with the basic questions related to the job then clearing every round ...

SET SERVEROUTPUT ON; DECLARE v_fname VARCHAR2(20); CURSOR cur_fname IS SELECT first_name FROM employees WHERE employee_id < 105; BEGIN OPEN cur_fname; LOOP FETCH cur_fname INTO v_fname; ...

本人也遇到这个错误， 确认代码没问题后，重新编译一下就好了。 谢谢提醒，代码我确认是没问题的。想来想去都没想到要重新编译一下。 这个情况我碰到过，数据库版本是9206及10204，运行一段时间后就报这个错，原因查看代码实在查不出来。 该问题消失。

Add a description, image, and links to the pl-sql-cursors topic page so that developers can more easily learn about it.

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

旧题目有很多，我将来会选一些介绍过来。先从2011-10-05的题目开始吧： 这道题考察的是COLLECTION的知识，当你删除一个元素后，是否还能将其恢复，COUNT值又会如何变化？