how about 2 tables w/ a 1:many relationship? document_types each with many document_type_attributes. read up on data modeling. i think several good books were mentioned on this list recently.
-----Original Message----- Sent: Thursday, August 07, 2003 8:34 AM To: Multiple recipients of list ORACLE-L Hello I've an installation/implementation question! We've to analyse 50 document types, in total those 50 has 70 different attributes. We don't want to put all those document types into one table, because more than the half (35) of the attributes are not always used for each document type. This will have to much disk space for each record, if most of the fields are just blank. Has anyone suggestions how to build our table-structure? I've heart something about FlexFields, what are they? Takes every field diskspace, even if it's blank (null)? Thanks in advance for the response! Tim -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: STEVE OLLIG INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).