You can use Visual Studio for writing C++ applications targetting the Windows platforms.
If you are using UNIX (or Linux) then you are NOT using Visual Studio (and you are using a UNIX or Linux compiler, e.g. gcc).
SQL commands are used to deal with databases, see, for instance the SQL Wikipedia page[^].
THESE PEOPLE REALLY BOTHER ME!! How can they know what you should do without knowing what you want done?!?! -- C++ FQA Lite