SET AUTOTRACE only reports on DML (select, update,insert , delete) statements. The commands you ran were DDL commands If you notice at the end you did a count of the plan_table and that reported statistics
John -----Original Message----- Sent: 05 February 2003 15:59 To: Multiple recipients of list ORACLE-L Hi: I am trying to understand why sqlplus did not display stats when I run "analyze table ..." and "create index ..."? TIA. Guang ------------------ SQL> set autotrace on statistics SQL> analyze table gene_upr compute statistics; Table analyzed. SQL> desc gene_upr; Name Null? Type ----------------------------------------- -------- ------------------------ ---- ID NUMBER NAME VARCHAR2(128) NAME_UPR VARCHAR2(128) SPECIESID NUMBER SQL> CREATE index gene_upr_id_index 2 ON gene_upr(id) 3 TABLESPACE INDEXES nologging 4 STORAGE (INITIAL 15000000 NEXT 15000000 pctincrease 0); Index created. SQL> select count(*) from plan_table; COUNT(*) ---------- 0 Statistics ---------------------------------------------------------- 0 recursive calls 4 db block gets 1 consistent gets 0 physical reads 0 redo size 187 bytes sent via SQL*Net to client 311 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: gmei INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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.net -- Author: <[EMAIL PROTECTED] INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).