Roy> I don't have a copy of the spec, but according to "A guide to Roy> the SQL standard" conversions like this that would discard Roy> data are supposed to raise an exception.
Just to clarify, my understanding is that in ANSI SQL it is valid to convert from the data type INTERVAL YEAR TO MONTH to the data type INTERVAL YEAR, but the conversion should raise an exception if the value is not an integral number of years... -roy ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly