Apr 17, 2009 · I have a table containing a unique ID field. Another field (REF) contains a reference to another dataset's ID field. Now I have to select all datasets where REF poi
I want to do a select request that perform a first select and then use that selection to perform a second select. I made a 1st version using a temp table but I would like to know -
Select column is more performatic of select *, but if you is developing an oriented object system, then you will like use object.properties and you can need a properties in any par
Jan 18, 2012 · SELECT a,b, a+b AS total_sum FROM ( SELECT SUM(column1) AS a, SUM(column2) AS b FROM table ) I have really lot of columns to return so I do not want to write the co
Just for kicks and giggles, I put the SELECT .* into SQL Server and it gave me Invalid column prefix '': No table name specified - you can, however, use a table alias so that it's
Is it possible to do a select statement that takes only NOT NULL values? Right now I am using this: SELECT * FROM table And then I have to filter out the null values with a php loo
Jul 21, 2012 · Python's select() gets passed through as a select() system call as you are expecting, but the problem you have with it blocking is a different issue, probably relat