sqldb: started

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43713 4005530d-fff6-0310-9dd1-cebe43e6787f
sqldb: if SQL empty then do not show ok

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43714 4005530d-fff6-0310-9dd1-cebe43e6787f