1. CASE WHEN 表达式有两种形式--简单Case函数 CASE sex WHEN '1' THEN '男' WHEN '2' THEN '女' ELSE '其他' END --Case搜索函数 CASEWHEN sex = '1' THEN '男' WHEN sex = '2' THEN '女' ELSE '其他' END2...
When You Say Nothing At All--Alison Krauss --It's amazing how you can speak right to my heart Without saying a word, you could light up the dark Try is a may I could never explain What I hear when you...
背景
有点忘了，记录下
写法一
case colume
when condition then result
when condition then result
when condition then result
else result
end
写法二
case
when condition then result
...
hive> set a = "2021-04-23 00:00:00";
hive> select case when ${hiveconf:a} is not null then ${hiveconf:a} end;2021-04-23 关于${hiveconf:变量名}这个语法，可以参考https://blog.csdn....
MySQL触发器里的流程控制语句 知识。MySQL 的 case when 的语法有两种：简单函数CASE [col_name] WHEN [value1] THEN [result1]…ELSE [default] END搜索函数CASE WHEN [expr] THEN [result1]…ELSE [default] END ...
须要注意：假设字段为varchar类型，when后的条件要加上引號SELECT (CASE marital_status WHEN 0 THEN '已婚' WHEN 1 THEN '未婚' ELSE 'WEIZHI' END) AS marital_status FROM tj_archive WHERE id='D14072800...
May be you allocate just 3 Gigabyte for root,
And with the software you installed,
your root left space is nearly zero,
And your partition is not LVM.
You could do like this:
...
Here's yet another approach, with an Objective-C category!
I took the spirit of @zurbergram's rounding behavior (up/down to closest) and @mmorris's overall answer and came up with this category:#im...
select form_no,cource,hbddept,empno,hbdcnm,substring(empno,1,4) as eDate,
case ctype when '1' then '内训' when '0' then '外训' end
from old,etsshbdwhere old.empno=etsshbd.hbdwno...
