Are the sizes of the tables same on both development and production machines? In our case, we used histograms on indexed columns and that brought execution plans same on both the database.
Look for analyze command syntax to build histograms. --- [EMAIL PROTECTED] wrote: > Both have current statistics. Data distribution is smaller on DEV. > Both > are using CBO. > > -----Original Message----- > Sent: Tuesday, March 19, 2002 4:53 PM > To: Multiple recipients of list ORACLE-L > > > What about current statistics on both DBs? > Is the distribution of the data reasonably the same? > Are they both using the same optimizer? > > I would state that "obiviously" something is different > between the two instances; otherwise you'd get exactly > the same results. > > > [EMAIL PROTECTED] wrote: > > > > Hello: > > > > I have an identical query that has similar explain plan on both > Prod and > Dev > > environment, only difference being that certain indexes are > performing > > unique scan on Prod and Range scan on Dev. > > Can you cast some light on how this can be matched and under what > conditions > > this discrepancy might occur. > > > > Thank you, > > > > Srini > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.com > > -- > > Author: > > 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). > > -- > Charlie Mengler Maintenance Warehouse > [EMAIL PROTECTED] 10641 Scripps Summit Ct. > 858-831-2229 San Diego, CA 92131 > Lead, follow, or at least have the courtesy to get out of my way! > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Charlie Mengler > 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). > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: > 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). ===== Mohammed Shakir CompuSoft, Inc. 11 Heather Way East Brunswick, NJ 08816-2825 (732) 672-0464 (Cell) (732) 257-6001 (Home) __________________________________________________ Do You Yahoo!? Yahoo! Movies - coverage of the 74th Academy Awards® http://movies.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Mohammed Shakir 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).
