There is no difference -- a snapshot and a materialized view are the same thing....
Snapshots and snapshot logs were originally created for use with replication, then Oracle realized how useful they could be for query rewrite, so they renamed them materialized views. Take a look at the docs, and you'll see that the syntax is interchangable. -Joe --- Todd Carlson <[EMAIL PROTECTED]> wrote: > Hello All, > > Sun 5.8 Oracle 8.1.7.2 > At a client site the developers are building an application that > runs > against several data-marts. The marts have tables with many 16+ > million > record tables. I have explained to them that read-only materialized > views would help speed up some of their queries. > > The local developers are pushing the use of snapshots, I would like > to > use materialized views. I do not have much experience with either > one. I > have been unable to find a good comparison of snapshots vs. > materialized > views. When should one be used over the other? What are the > dvantages/disadvantages of either one in this situation? I know > that > query rewrite only works with MVs, but that isn't a factor in this > situation. > > Thank you for any information you can provide. > > Todd Carlson > Oracle Database Administrator > Tripos, Inc. > (314) 647-8837 Ext.3246 > > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Todd Carlson > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > 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). __________________________________________________ Do You Yahoo!? Yahoo! Sports - live college hoops coverage http://sports.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Joe Raube INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
