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“CASE” statement within “WHERE” clause in SQL Server 2008
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Try the following:
select * From emp_master
where emp_last_name=
case emp_first_name
when 'test' then 'test'
when 'Mr name' then 'name'
end
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PostgreSQL array_agg order
...alues from a sorted subquery will usually work, however. For example:
SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
So in your case you would write:
SELECT
array_to_string(array_agg(animal_name),';') animal_names,
array_to_string(array_agg(animal_type),';') animal_types
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How do I select a random value from an enumeration?
Given an arbitrary enumeration in C#, how do I select a random value?
9 Answers
9
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How can I indent multiple lines in Xcode?
When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;)
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How do I do multiple CASE WHEN conditions using SQL Server 2008?
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Just use this one, You have to use more when they are classes.
SELECT Url='',
p.ArtNo,
p.[Description],
p.Specification,
CASE
WHEN 1 = 1 or 1 = 1
THEN 1
WHEN 2 = 2
THEN 2
WHEN 3 = 3
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
mysql存储在磁盘中,各种天灾人祸都会导致数据丢失。大公司的时候我们常常需要做好数据冷热备,对于小公司来说要做好所有数据备份需要支出大量的成本,很多公司也是不现实的。万一还没有做好备份,数据被误删除了,或...
App Inventor 2能编译出苹果iOS版App吗? - App Inventor 2 中文网 - 清泛I...
如题,首先可以明确地说目前并不支持,只支持iOS版AI伴侣进行测试,但是AI伴侣的版本更新一直都是落后于安卓版的,导致测试时会有一些不兼容或一些奇怪的问题,体验不是很好,因此还是建议有条件的话还是使用安卓手机...
使用照相机时老是弹出 error 201 : the camera d id not return an image ...
问题来自B站:https://message.bilibili.com/?spm_id_from=333.1007.0.0#/reply
解决方法:
1、很可能删除了 “Pictures“ 图片文件夹:/storage/emulated/0/Pictures,这个文件夹不能被相机组件自动创建。
2、官方确认这是一个bug,已修复。确认一下...
二进制文件的读写 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
app inventor 如何读接收到的二进制文件?读到的二进制文件能否转成列表文件?蓝牙客户端或 ble 都可以接收二进制数组,返回的数据是列表:
如果想要保存二进制到文件,可以考虑转换成 ascii 或 base64 化,然后通过文件管...
Intel HAXM 安装失败?Hyper-V or Intel HAXM 你得二选一 - App Inventor 2...
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HAXM - Open Source Cross-Platform Hypervisor
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The system requirements are not satisfied.
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简单查了一下,Hyper-V 和 HAXM 都是虚拟化技术。前者是微软提供的,Windows 10 自带。后者是...
