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Searching an alternate of LEN() function for optimization in sql server 繁体
2013年08月12 - I am having a query like this 我有这样的查询 SELECT firstName FROM student WHERE LEN(firstName) > 5 There is a Non-Clustered Index on the 'firstName'

Alternate of lead lag function in sql server 2008 繁体
2014年03月04 - I want to compare the current row with a value in the next row. SQL has LEAD and LAG functions to get the next and previous values but I can not use t

Update long SQL query with TOP clause 繁体
2015年02月16 - I'm not familiar with sql servers. I've very long query which took from other tech guy. I need update this query with top clause for filter first 10 r

SQL 2008 not performing parallelism with top clause 繁体
2011年11月17 - Currently working on improving the efficiency of a few queries. After looking at the query plan I found that SQL is not performing parallelism when a

is there any other sql clause like where? 繁体
2015年05月04 - SELECT tbl_tmpdtr.id, tbl_tmpdtr.userid, date(tbl_tmpdtr.in_out) as in_out, tbl_tmpdtr.status, tbl_employee.emp_id, tbl_

SQL Server : CASE in WHERE clause 繁体
2015年12月04 - I need to create a SQL statement to check where condition if the column is null, it will do other condition. Below is my example: 我需要创建一个SQL语句来检查列为空的条

Group by a count() clause in SQL Server 繁体
2015年07月27 - I'm trying to write a SQL query that will return a list of aggregated values; however, I want to group the query by one of the aggregated values (a co

Using SQL Server variables in clause 繁体
2015年06月25 - Here is a simple example - why does this work: 这是一个简单的例子 - 为什么这个工作: DECLARE @v as varchar(75) SET @v = 'xxx-xxxx' SELECT * FROM tbl_skus WHERE SKU =

Strange behavior with SQL server IN clause 繁体
2014年06月03 - I am wondering why the below SQL statement behaves the way that it does: 我想知道为什么以下SQL语句的行为方式如下: select * from tableA where document_id in (select d

Ordering SQL Server results by IN clause 繁体
2012年01月20 - I have a stored procedure which uses the IN clause. In my ASP.NET application, I have a multiline textbox that supplies values to the stored procedure


 
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