>I need a some information, about insert,update,delete select . What is any other requirement/command, if i use these commands for network/multiuser envioremnt. e.g. I need flock() unlock commands for saving the record before/after.
No, you don't need to lock the file.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.
