大约有 47,000 项符合查询结果(耗时:0.0458秒) [XML]

https://stackoverflow.com/ques... 

What is the difference between single and double quotes in SQL?

...ould be more readable as product_id, so you use either of the following: SELECT PRODUCT.id AS product_id SELECT PRODUCT.id 'product_id' Either works in Oracle, SQL Server, MySQL… but I know some have said that the TOAD IDE seems to give some grief when using the single quotes approach. You do...
https://stackoverflow.com/ques... 

How to list records with date from the last 10 days?

...date) Why don't you just try it? The standard ANSI SQL format would be: SELECT Table.date FROM Table WHERE date > current_date - interval '10' day; I prefer that format as it makes things easier to read (but it is the same as current_date - 10). ...
https://stackoverflow.com/ques... 

I get exception when using Thread.sleep(x) or wait()

... You have a lot of reading ahead of you. From compiler errors through exception handling, threading and thread interruptions. But this will do what you want: try { Thread.sleep(1000); //1000 milliseconds is one second. } catch(InterruptedExcepti...
https://stackoverflow.com/ques... 

Is there a way to select sibling nodes?

For some performance reasons, I am trying to find a way to select only sibling nodes of the selected node. 13 Answers ...
https://stackoverflow.com/ques... 

Import .bak file to a database in SQL server

...t only accept a restore from that point? I find it very odd that I can not select a backup file to restore. – James Nov 21 '16 at 18:49 13 ...
https://stackoverflow.com/ques... 

How do I get the file name from a String containing the Absolute file path?

... file system so wouldn't expect the performance to be materially different from a substring/indexOf. – assylias Sep 26 '13 at 7:15 7 ...
https://stackoverflow.com/ques... 

Why does MYSQL higher LIMIT offset slow the query down?

...h more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key* ...
https://stackoverflow.com/ques... 

Is mongodb running?

... from mongo 2.6 the service is mongod earlier its mongodb, confusing yes – tsukimi Feb 20 '18 at 2:05 ...
https://stackoverflow.com/ques... 

Can I write a CSS selector selecting elements NOT having a certain class or attribute?

I would like to write a CSS selector rule that selects all elements that don't have a certain class. For example, given the following HTML: ...
https://stackoverflow.com/ques... 

How to convert timestamps to dates in Bash?

...script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...