> From: Marc Harbeson > What about an index on an I-DESC? (Does universe do that?)
Yes. Virtual attribute is another name for I-descriptor, UniData's term mostly. See Scott Ballinger's earlier post on thist thread & here is a repost of part of my own answer: > From: Stevenson, Charles > Sent: Thursday, October 20, 2005 10:21 PM > > > Does U2 support indexing > > virtual fields, ie DATE.CUST? I don't think D3 can. > > Absolutely! Virtual fields & correlatives, too. > > The only caveat is do NOT index on any calculation where the > answer depends on anything other than the exact record being > updated. The archtypical bad example would be TRANS() & > T-correlatives. The system allows it, but you are asking > for corruption. > > cds ------- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
