@XANDY01; links that will clarify your doubts: [Only registered and activated users can see links. Click Here To Register...] (have information about SID and SQL).
Sorry, but the forum rules say to make a search before ask; I hope, in next time, you search before ask...; or, as this is a very well organized forum, you may simply gave a look in the [Only registered and activated users can see links. Click Here To Register...] and [Only registered and activated users can see links. Click Here To Register...] and you will find all treads above as a stick.
We also have the [Only registered and activated users can see links. Click Here To Register...]
[Only registered and activated users can see links. Click Here To Register...]
Have a great day!