原文:The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified.

https: stackoverflow.com questions sorting the view based on frequency in sql server Just like in sub queries, you can t use ORDER BY in a view definition in sql server unless you also use TOP. The re ...

2017-06-08 11:21 0 1306 推荐指数:

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Expressions are not allowed at the top level

Swift中,直接在类的外面调用类内部的方法,会出现Bug:Expressions are not allowed at the top level。 原因是:   在App工程里, .swift 文件都是编译成模块的,不能有 top level code。   先明确一个概念,一个 ...

Fri May 01 01:04:00 CST 2015 0 4433
 
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