2014年07月01 - My current application was built up in SQL Server 2008 server in JAVA with Hibernate and I had used HierarchyId data type for department hierarchy in
2014年06月26 - I have a SELECT TOP query with an ORDER BY clause that does not return the correct result. Below is a sample query and its output.
我有一个带有ORDER BY子句的SE
2011年03月24 - I'm attempting to write a query that will return
我正在尝试编写一个将返回的查询
The most recent AccountDate with a record of 0 per locationID
最新的AccountDate，每个l
2012年11月11 - create table testTop
( value int primary key)
--可以一次插入顶部的多条记录
insert top(5) into testTop select * from (select 1 as value union select 2 union sel
2012年04月10 - I can't get this sql query right...
我无法得到这个sql查询。
I want the top 5 latest comments from tblComment. The problem is that I get more then one comment w
2010年09月15 - I beg you don't ask me why am I using SQL Server 6.5
求求你不要问我为什么使用SQL Server 6.5
There is no SELECT TOP command in SQL Server 6.5, and guess what, I n
2017年12月14 - I am trying to extract the Top 3 of each group in a select with multiple joins. The Top 3 should group by the email address and symbol_short field (st
2010年03月21 - How to check a value IS NULL [or] = @param (where @param is null)
如何检查一个值为NULL[或]= @param(其中@param为NULL)
Ex:
例:
Select column1 from Table1
where col
2016年01月29 - I tried with below queries and bit confused about working of EXISTS clause, although I know it evaluates for TRUE/FALSE.
我尝试使用下面的查询，并对使用exist子句感到有点困惑，
