Vladimir - as Jim already mentioned in a nother msg both the DE and USE - use the same C++ code to actually open the table but the USE command passes through the interperter as well (which adds overhead) Arnon > > Hi Jim! > > Thanx a lot for info, I'll try it. But it still unclear for me: how much > faster can DE open table vs USE command? Do you performed any kind of > test? > > Have a happy day > Vladimir Shevchenko > > > You can create your DE class in a PRG and addobject it to the form in > the > > > Load event of the fomr. > > what your are opening and where the files are to find out exactly how > much >