因为在PL/SQL 中并没有数组. 这是偶查资料找的范例和自己写的范例来解释如何在PL/SQL 中使用数组. 也许很多人已知道, 不过就是让不知道的朋友们了解一下吧 ...

Hi all,I have a MySQL table with 4 columns that signify someone's selection for 4 options. The option values are not mutually exclusive, so someone could theoretically have the same value in all 4 ...

Well, I need to get a median value for a set of numbers, from a query. To my surprise, Sql Server does not have a median function/sproc (well, if you install the analysis tools you do, but I can't ...