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Whats the purpose of SQL keyword AS? - Stack Overflow SELECT * FROM table AS t1; What's the difference between them if any? I see old DBA people tend to write statements without AS, but most of the new tutorials use it Update: I know what's the purpose of table and column aliases I'm curious, what's the reason of having a separate keyword for setting aliases while it works without it as well
c# - Direct casting vs as operator? - Stack Overflow RE: Sander Actually there is another very good reason to use as, it simplifies your checking code (Check for null rather then check for null and correct type) This is helpful since a lot of the time you would rather throw a custom one exception But it is very true that blind as calls are bad
Error git is not recognized as an internal or external command I have an installation of Git for Windows, but when I try to use the git command in Command Prompt, I get the following error: 'git' is not recognized as an internal or external command, operable
NA,EU,AS,OC,SA分别是什么?国区是哪个_百度知道 NA : NorthAmerica 北美洲 EU : Europe欧洲 AS : Asia亚洲 OC : Oceania 大洋洲 SA :South and Central America : 中美及 南美洲 另 AF :Africa 非洲 AN : Antarctica 南极洲 球按照 海陆 分布格局,按照大陆和周围岛屿合称一个大洲的标准,全球共分为亚洲,欧洲等七个大洲。 七大洲 的面积和组成各不相同。其名称来历也各有原由