2018年12月1日
lua变量作用域
摘要： 3.5 – Visibility Rules Lua is a lexically scoped language. The scope of a local variable begins at the first statement after its declaration and lasts 阅读全文
posted @ 2018-12-01 15:19 瓜蛋 阅读(1439) 评论(0) 推荐(0)
<转>SQL Server CROSS APPLY and OUTER APPLY
摘要： SQL Server 2005 introduced the APPLY operator, which is like a join clause and it allows joining between two table expressions i.e. joining a left/out 阅读全文
posted @ 2018-12-01 09:43 瓜蛋 阅读(320) 评论(0) 推荐(0)