大约有 47,000 项符合查询结果(耗时:0.0328秒) [XML]

https://stackoverflow.com/ques... 

Best way to do nested case statement logic in SQL Server

... You could try some sort of COALESCE trick, eg: SELECT COALESCE( CASE WHEN condition1 THEN calculation1 ELSE NULL END, CASE WHEN condition2 THEN calculation2 ELSE NULL END, etc... ) share ...
https://stackoverflow.com/ques... 

Set folder browser dialog start location

... Just set the SelectedPath property before calling ShowDialog. fdbLocation.SelectedPath = myFolder; share | improve this answer ...
https://stackoverflow.com/ques... 

Apply function to all elements of collection through LINQ [duplicate]

... @BKSpurgeon: Select is a projection: 1) it's lazily evaluated; just calling it won't do anything. 2) Select produces a result - ForEach doesn't. – Jon Skeet Mar 20 '17 at 9:24 ...
https://stackoverflow.com/ques... 

What is the difference between Non-Repeatable Read and Phantom Read?

...e query have the same value before and after, but different rows are being selected (because B has deleted or inserted some). Example: select sum(x) from table; will return a different result even if none of the affected rows themselves have been updated, if rows have been added or deleted. In ...
https://stackoverflow.com/ques... 

SQL query to group by day

...dateadd(DAY,0, datediff(day,0, created)) return '2009-11-02 00:00:00.000' select sum(amount) as total, dateadd(DAY,0, datediff(day,0, created)) as created from sales group by dateadd(DAY,0, datediff(day,0, created)) share ...
https://stackoverflow.com/ques... 

How to identify all stored procedures referring a particular table

... SELECT Name FROM sys.procedures WHERE OBJECT_DEFINITION(OBJECT_ID) LIKE '%TableNameOrWhatever%' BTW -- here is a handy resource for this type of question: Querying the SQL Server System Catalog FAQ ...
https://stackoverflow.com/ques... 

Use '=' or LIKE to compare strings in SQL?

... To see the performance difference, try this: SELECT count(*) FROM master..sysobjects as A JOIN tempdb..sysobjects as B on A.name = B.name SELECT count(*) FROM master..sysobjects as A JOIN tempdb..sysobjects as B on A.name LIKE B.name Comparing strings with '=' is muc...
https://stackoverflow.com/ques... 

SQL-Server: The backup set holds a backup of a database other than the existing

...go for the restore option Under Options on the left pane don't forget to select Overwrite the existing database Preserve the replication settings That's it share | improve this answer ...
https://stackoverflow.com/ques... 

Select all child elements recursively in CSS

How can you select all child elements recursively? 2 Answers 2 ...
https://stackoverflow.com/ques... 

How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu

...ocess. Locate the one you want to get debug info for. Right-click it and select Symbol Load Information. You'll get a dialog that lists all the directories where it looked for the .pdb file for the assembly. Verify that list against the actual .pdb location. Make sure it doesn't find an old one...