function CreateAndOpenDatabase(filename :string; cnt, mt :integer): integer;

CreateAndOpenDatabase creates a new dbf file according added fields and opens the created file. It returns non-zero value if success.
The accepts parameters: a name of a new file, a number of fields, a type of a memo fields. It releases the allocated memory.

var
  dbf :integer;
begin
if NewDatabase then
begin
  AddField('Name',   'C', 20);
  AddField('Birth',  'D', 0);
  AddField('Sex',    'L', 0);
  AddField('Salary', 'N', 10 + 2*256);
  AddField('Notes',  'M', 0);
end;
dbf := CreateAndOpenDatabase('clients.dbf', 5, 0);
if dbf <> 0 then CloseBase( dbf );
end.