Path: utzoo!attcan!uunet!sco!staceyc From: staceyc@sco.COM (Stacey Campbell) Newsgroups: comp.databases Subject: Re: What is a B+ tree? (was Re: Index Managers and B+ trees) Keywords: B tree, B+ tree Message-ID: <3330@scorn.sco.COM> Date: 19 Mar 90 17:04:05 GMT References: <1467@mountn.dec.com> Sender: news@sco.COM Reply-To: staceyc@sco.COM (Stacey Campbell) Organization: The Santa Cruz Operation, Inc. Lines: 16 In article <1467@mountn.dec.com> wallis@labc.dec.com (Barry L. Wallis) writes: >What is the difference between a B tree and a B+ tree? "The index set is actually a tree structure index to the sequence set; in fact, it is the index set that is the real B tree, strictly speaking. (The combination of index set and sequence set is sometimes called a B+ tree.)" C.J. Date, An Introduction to Database Systems, 3rd edn, pg 47. (4 edn, pg 64) -- Stacey Campbell _--_|\ {uunet,ucscc,decwrl,att,microsoft,wyse}!sco!staceyc / \ staceyc@sco.com \_.--._/ v