MYSQL problem

[eluser]Speedy`[/eluser]
[quote author="JunlieF" date="1353582092"]
pls. corrent me about this code...

$sql = "SELECT * FROM deparments, prints WHERE 'id{$dept}' AND 'date_printed BETWEEN '{$from}' AND '{$to}'";[/quote]

Where clause
WHERE column_name operator value

I'm seing just the value not the column.

Operators can be =.!=, <, >....