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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Index not being used .... why?
Is your column "mso_or_independent_id" of type NUMBER? Have you an index on this column?
/Quamrul
>From: "Norrell, Brian" <BNorrell_at_QuadraMed.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: RE: Index not being used .... why?
>Date: Tue, 20 Nov 2001 11:45:18 -0800
>
>Returns null or no rows? If it is null then something weird is going on...
>
>-----Original Message-----
>Sent: Tuesday, November 20, 2001 1:23 PM
>To: Multiple recipients of list ORACLE-L
>
>
>This is from my user .... I can't figure why Oracle is not using the index
>even with a hint. Optimizer mode is RULE. BTW the query always returns NULL
>value.
>
>
>I'm running a simple query. It's taking too long. Ran an explain plan on it
>and it's doing a full table scan for some reason. I've tried every data
>base
>thinking there was an index missing or something. I did /*+ first_rows */
>as well with no success. Any ideas ? Any suggestions would be appreciated
>!!!!!!
>
>select mso_or_independent_id
>from billing_file_summary
>where mso_or_independent_id = 0104167;
>
>
>INDEXES ON THE TABLE
>INDEX_NAME INDEX_TYPE TABLE_NAME
>TABLE UNIQUENES
>------------------------------ ---------------------------
>------------------------------ ----- ---------
>BFD_PARENT_INV_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>BFS_BILL_TO_ID_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>BFS_MSO_IND_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>BFS_ORG_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>BFS_PRINTED_INV_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>BFS_YEAR_MONTH_IDX NORMAL
>BILLING_FILE_SUMMARY TABLE NONUNIQUE
>PK_BILLING_FILE_SUMMARY NORMAL
>BILLING_FILE_SUMMARY TABLE UNIQUE
>
>
>
>Explain shows a full table scan
>TO_CHAR(TIMESTAM OBJECT_NAME OPERATION
>OPTIONS
>---------------- ------------------------------
>------------------------------ ---------------------
>11202001 01:42pm BILLING_FILE_SUMMARY TABLE ACCESS
>FULL
>11202001 01:42pm SELECT
>STATEMENT
>
>TIA
>Raj
>______________________________________________________
>Rajendra Jamadagni MIS, ESPN Inc.
>Rajendra dot Jamadagni at ESPN dot com
>Any opinion expressed here is personal and doesn't reflect that of ESPN
>Inc.
>
>QOTD: Any clod can have facts, but having an opinion is an art!
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Norrell, Brian
> INET: BNorrell_at_QuadraMed.com
>
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-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Quamrul Polash INET: quapol_at_hotmail.com 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: ListGuru_at_fatcity.com (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).Received on Tue Nov 20 2001 - 14:40:27 CST
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