> a) The basic contents of the internal data dictionary can be used to > check incoming fields from on their length and permitted contents. > > b) With a little extra work, I should be able to define a table which > can be used to check field contents against field masks. You can use column check constraints with regular expressions for that. No need for an extra table I would assume. Karsten -- GPG key ID E4071346 @ wwwkeys.pgp.net E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster