大约有 47,000 项符合查询结果(耗时:0.0247秒) [XML]

https://stackoverflow.com/ques... 

How to Join to first row

... SELECT Orders.OrderNumber, LineItems.Quantity, LineItems.Description FROM Orders JOIN LineItems ON LineItems.LineItemGUID = ( SELECT TOP 1 LineItemGUID FROM LineItems W...
https://stackoverflow.com/ques... 

Insert Data Into Temp Table with Query

... SELECT * INTO #Temp FROM (SELECT Received, Total, Answer, (CASE WHEN application LIKE '%STUFF%' THEN 'MORESTUFF' END) AS application FROM FirstTable WHERE Recieved = 1 AND applicati...
https://stackoverflow.com/ques... 

postgresql return 0 if returned value is null

...eved for display. Edit Here's an example of COALESCE with your query: SELECT AVG( price ) FROM( SELECT *, cume_dist() OVER ( ORDER BY price DESC ) FROM web_price_scan WHERE listing_Type = 'AARM' AND u_kbalikepartnumbers_id = 1000307 AND ( EXTRACT( DAY FROM ( NOW() - ...
https://stackoverflow.com/ques... 

Linq: What is the difference between Select and Where

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc. ...
https://stackoverflow.com/ques... 

How to split a comma-separated value to columns

...TRING(@string, @pos, @len) INSERT INTO @out_put ([value]) SELECT LTRIM(RTRIM(@value)) AS [column] SET @pos = CHARINDEX(@delimiter, @string, @pos + @len) + 1 END RETURN END share |...
https://stackoverflow.com/ques... 

Select statement to find duplicates on certain fields

...get the list of fields for which there are multiple records, you can use.. select field1,field2,field3, count(*) from table_name group by field1,field2,field3 having count(*) > 1 Check this link for more information on how to delete the rows. http://support.microsoft.com/kb/139444 There sh...
https://stackoverflow.com/ques... 

Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
https://stackoverflow.com/ques... 

SELECT INTO using Oracle

I'm trying to do a SELECT INTO using Oracle. My query is: 3 Answers 3 ...
https://stackoverflow.com/ques... 

Using $_POST to get select option value from HTML

I use select as below: 8 Answers 8 ...
https://stackoverflow.com/ques... 

Splitting string into multiple rows in Oracle

... be an improved way (also with regexp and connect by): with temp as ( select 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual union all select 109, 'test2', 'Err1' from dual ) select distinct t.name, t.project, trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value...