>>Thanks for pointing to this thread. Have you tried both methods? I tested with 382MB text file. Dummy cursor took ~5min. Low-level functions took forever.
>>Therefore native append from is at least 40 times faster, than low-level.
>
>Was the 382MB file on a local hard drive, or a network drive?

Yes, this is probably the source of problem. It is on Network drive. If I have time, I'll try the test with file on local drive.