大纲 题目地址内容 解题代码地址 题目
地址
https://leetcode.com/problems/reverse-bits/description/
内容
Reverse bits of a given 32 bits unsigned integer.
Note:
Note that in some languages, such as Java, there is no unsigned integer type. In this case, …
例子:
DECLARE ORDER_NUM VARCHAR2(20);
BEGIN
SELECT S.ORDER_NUM INTO ORDER_NUM FROM SALES_ORDER S WHERE S.ID122344;
DBMS_OUTPUT.PUT_LINE(单号: || ORDER_NUM);
END; 在查询结果为空的情况下,以上代码会报错:未找到任何数据
解决方…