On the analysis of the oracle Tables, indexes

Hi guru,.

Thanks for the previous help.

I have scenerio

I have three table which is refreshed weekely (Truncate and load).

I have to manually analyze using DBMS_STATS. GATHER_TABLE_STATS?

My knowledge is when we insert frequently so only we analyze tables and their indexes.

I'm using the Oracle version:

1 oracle Database 11 g Enterprise Edition Release 11.2.0.3.0 - 64 bit Production

2 PL/SQL Release 11.2.0.3.0 - Production

3 "CORE 11.2.0.3.0 Production."

Thnaks,

truncation does not remove the object statistics:

-11.2.0.1.

create table t

as

Select rownum id

of the double

connect by level<=>

SQL > exec dbms_stats.gather_table_stats (user, 't')

PL/SQL-Prozedur been abgeschlossen.

SQL > select num_rows, last_analyzed from user_tables where table_name = 't';

NUM_ROWS LAST_ANA

---------- --------

10000 16.04.14

SQL > truncate table t;

Tabelle mit TRUNCATED geleert.

SQL > select num_rows, last_analyzed from user_tables where table_name = 't';

NUM_ROWS LAST_ANA

---------- --------

10000 16.04.14

So if your table contains almost the same data after the operation of loading/truncate old statistics may be sufficient. But it is difficult to imagine you do a TRUNCATE/loading operation to re-import data - almost certainly is a good idea to gather statistics after the operation of loading/truncate, if you have the time and resources to do this.

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WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
SYSMAN                         20-APR-09 22:29:55                    20-APR-09

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
22:30:55      17989 N

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
sysdate + 1 / (24 * 60)

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
         0

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
EMD_MAINTENANCE.EXECUTE_EM_DBMS_JOB_PROCS();

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
NLS_LANGUAGE='AMERICAN' NLS_TERRITORY='AMERICA' NLS_CURRENCY='$' NLS_ISO_CURRENC


       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
Y='AMERICA' NLS_NUMERIC_CHARACTERS='.,' NLS_DATE_FORMAT='DD-MON-RR' NLS_DATE_LAN


       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
GUAGE='AMERICAN' NLS_SORT='BINARY'

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
0102000000000000                                                          0

       JOB LOG_USER                       PRIV_USER
---------- ------------------------------ ------------------------------
SCHEMA_USER                    LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE
------------------------------ --------- -------- --------- -------- ---------
NEXT_SEC TOTAL_TIME B
-------- ---------- -
INTERVAL
--------------------------------------------------------------------------------

  FAILURES
----------
WHAT
--------------------------------------------------------------------------------

NLS_ENV
--------------------------------------------------------------------------------

MISC_ENV                                                           INSTANCE
---------------------------------------------------------------- ----------
    Thank you

    Published by: user10747262 on April 21, 2009 11:56

    I think you see the results of the formatting in SQL * Plus when you use certain default settings. Try the following and then run your query again

    set pagesize 100

  • The Oracle table object type - error

    Hello

    I created an oracle object as

    [CREATE or REPLACE TYPE t_test_obj () IS OBJECT
    TestId INTEGER,
    testdesc VARCHAR2 (64)
    );]

    Then created the type from above table

    [create or replace type t_table in table of the t_test_obj;]

    I want to create the table containing the type above as below

    create the table t_tab_test (test1 t_table); but I got the error as
    ERROR on line 1:
    ORA-22913: must specify the name of the table for the nested table column or attribute

    ---
    Requirement: As my function returns this object of type table and I want to insert these values in a table where I want this. All other pointers are also useful.


    Help, please.

    Kind regards
    Kapil

    and with a function

    create function f_test
return t_table
as
begin
   return t_table (t_test_obj (1, 'first'), t_Test_obj (2, 'seconde'));
end;
/

insert into t_tab_test values (10, f_test);

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