title: Choosing database and licensing for Delphi application
body: <p>We have Delphi XE2. We are looking for a database for our application. We have tried Absolute Database and it supports most of SQL commands we need. I see most of Delphi users choose Firebird but it seems to hard to work with. I am so much confused about databases and licenses. Here are my problems:</p>
  
  <ol>
  <li><p>When we choose a database, let's say Absolute Database, Firebird, MySql embedded etc. and if we have for example 3.000 customers, do we still need to pay to Database developers? Or is it one time fee? I am so much confused because they say when we buy, we can use it inside our building ( <a href="http://www.componentace.com/order/licenses.php" rel="nofollow">http://www.componentace.com/order/licenses.php</a> ). But when we release our software, our customers will need to use the same database of course.</p></li>
  <li><p>Absolute DB is easy to install and supports most of SQL queries. Firebird does not support most of SQL queries. Is this correct?</p></li>
  <li><p>When we try to use Firebird, we use FlameRobin to design database. But when we try to connect using IB components, it says "Unable to connect database".</p></li>
  </ol>
  
  <p>Thank you very much...</p>