...Because the application requested two parse calls for this statement from the server. The first one was a hard parse (server had never seen the statement before), and the second one was a parse call that did not result in a hard parse.
Cary Millsap Hotsos Enterprises, Ltd. http://www.hotsos.com Upcoming events: - Hotsos Clinic, Jul 23-25 Chicago - Miracle Database Forum, Sep 20-22 Middlefart Denmark - 2003 Hotsos Symposium on OracleR System Performance, Feb 9-12 Dallas -----Original Message----- VIVEK_SHARMA Sent: Monday, July 22, 2002 8:03 AM To: Multiple recipients of list ORACLE-L Qs Why is Parse = 2 in the following Query ? Solaris 8 Oracle 8.1.7 SGA = 60 MB shared_pool_size = 30 MB ************************************************************************ ******** select mesg, lchg_user_id, TO_CHAR(lchg_time,'DD-MM-YYYY HH24:MI:SS'), rcre_user_id, TO_CHAR(rcre_time,'DD-MM-YYYY HH24:MI:SS'), tran_id, TO_CHAR(tran_date,'DD-MM-YYYY HH24:MI:SS'), NVL(ts_cnt,0), sol_id, contra_acid, tran_amt||'!'||tran_crncy_code, TO_CHAR(value_date,'DD-MM-YYYY HH24:MI:SS'), tran_crncy_code, central_or_local_code, req_advc_ind, sys_gen_flg, rowid FROM TBA_REF_TRN_TBL WHERE cmd = :1 AND cust_or_card_id = :2 AND system_date_time = TO_DATE( :3 ,'DD-MM-YYYY HH24:MI:SS') AND dcc_id = :4 AND sno = :5 call count cpu elapsed disk query current rows ------- ------ -------- ---------- ---------- ---------- ---------- ---------- Parse 2 0.06 0.07 1 0 1 0 Execute 2 0.00 0.00 0 0 0 0 Fetch 2 0.00 0.02 3 6 0 0 ------- ------ -------- ---------- ---------- ---------- ---------- ---------- total 6 0.06 0.09 4 6 1 0 Misses in library cache during parse: 1 Optimizer goal: CHOOSE Parsing user id: 40 (TBAGEN) Rows Row Source Operation ------- --------------------------------------------------- 0 TABLE ACCESS BY INDEX ROWID REF_TRN_TBL 1 INDEX UNIQUE SCAN (object id 6561) Rows Execution Plan ------- --------------------------------------------------- 0 SELECT STATEMENT GOAL: CHOOSE 0 TABLE ACCESS (BY INDEX ROWID) OF 'REF_TRN_TBL' 1 INDEX (UNIQUE SCAN) OF 'IDX_REF_TRN_TBL' (UNIQUE) ************************************************************************ ******** -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: VIVEK_SHARMA 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: Cary Millsap 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).
