Re: Question on "set autotrace on statistics"

Because you can trace DML, not DDL.

Igor Neyman, OCP DBA
ineyman_at_perceptron.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, February 05, 2003 10:59 AM

> 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: gmei_at_incyte.com

>

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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

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