大约有 19,000 项符合查询结果(耗时:0.0266秒) [XML]

https://stackoverflow.com/ques... 

MySQL: how to get the difference between two timestamps in seconds

Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that? ...
https://stackoverflow.com/ques... 

How do I return rows with a specific value first?

...L Server, but that's because the syntax is non-standard and only works for MySQL. When using a CASE statement (which is standard SQL) SQL Server can very well use an expression in the ORDER BY clause. "too stupid to process equivalency tests" is simply wrong. If at all it should read: "does not supp...
https://stackoverflow.com/ques... 

MySQL WHERE: how to write “!=” or “not equals”?

...ered Jul 10 '12 at 20:53 RolandoMySQLDBARolandoMySQLDBA 40.6k1515 gold badges8181 silver badges124124 bronze badges ...
https://stackoverflow.com/ques... 

SQL/mysql - Select distinct/UNIQUE but return all columns?

...ause the behavior on the other columns is unspecified. (The first works in MySQL, if that's what you're using.) You could fetch the distinct fields and stick to picking a single arbitrary row each time. On some platforms (e.g. PostgreSQL, Oracle, T-SQL) this can be done directly using window funct...
https://stackoverflow.com/ques... 

Is it possible to delete an object's property in PHP?

...erties, this often happens in applications fetching from databases such as MySQL the records as an object instead of an array (using standard functions such as mysql_fetch_object()). – gaborous Jan 21 '15 at 20:37 ...
https://stackoverflow.com/ques... 

Escaping ampersand character in SQL string

... Note that & doesn't need to be escaped in MySQL. Also MySQL doesn't have the function CHR(). – asmaier Jun 18 at 11:24 add a comment ...
https://stackoverflow.com/ques... 

MySQL - why not index every field?

... The link is for MS SQL Server; this question is for MySQL – OMG Ponies Mar 26 '11 at 23:38 6 ...
https://stackoverflow.com/ques... 

MySQL: Order by field size/length

... @mastazi according to MySQL documentation: OCTET_LENGTH() is a synonym for LENGTH(). – Heitor Oct 1 '17 at 5:35 ...
https://stackoverflow.com/ques... 

Multiple queries executed in java in single statement

...BC as it currently provides an exception even though it is possible in the MySQL query browser. 6 Answers ...
https://stackoverflow.com/ques... 

How to write to a file, using the logging Python module?

...#Each logger requires a handler, but can have more than one [loggers] keys=root,Admin_Client #Each handler requires a single formatter [handlers] keys=fileHandler, consoleHandler [formatters] keys=logFormatter, consoleFormatter [logger_root] level=DEBUG handlers=fileHandler [logger_Admin_Cli...