qileilove

--運行環境
SQL> select * from v$version where rownum<2;

BANNER
----------------------------------------------------------------
Oracle Database 10g Release 10.2.0.3.0 - 64bit Production

--獲得當前數據庫索引的使用頻率
SQL> @idx_usage_detail.sql
Enter value for 1: GO_ADMIN
Enter value for 2: 100
                                                                                 Index
Table name                     Index name                     Index type       Size MB Index operation       Executions
------------------------------ ------------------------------ ------------ ----------- --------------------- ----------
ACC_POS_CASH_PL_TBL_ARC        PK_ACC_POS_CASH_PL_ARCH_TBL    NORMAL          3,328.00 RANGE SCAN                    99
                                                                                       SAMPLE FAST FULL SCAN          8
                                                                                       UNIQUE SCAN                    3
                                                                                       SKIP SCAN                      2
****************************** ****************************** ************ -----------                       ----------
sum                                                                          13,312.00                              112

ACC_POS_CASH_TBL_ARC           PK_ACC_POS_CASH_ARCH_TBL       NORMAL          2,560.00 RANGE SCAN                   168
                                                                                       UNIQUE SCAN                   14
                                                                                       SAMPLE FAST FULL SCAN         12
                                                                                       SKIP SCAN                      1
****************************** ****************************** ************ -----------                       ----------
sum                                                                          10,240.00                              195

ACC_POS_HIST_TBL               ACC_HIST_TRANS_DATE_IDX        NORMAL            384.00 RANGE SCAN                   917
                                                                                       SKIP SCAN                    210
                                                                                       SAMPLE FAST FULL SCAN          4
                                                                                       FAST FULL SCAN                 1
                               PK_ACC_POS_HIST_TBL            NORMAL            192.00 UNIQUE SCAN                    7
                                                                                       SAMPLE FAST FULL SCAN          3
                               TRANS_NUM_IDX                  NORMAL            232.00 RANGE SCAN                    41
                                                                                       SAMPLE FAST FULL SCAN          3
                                                                                       FAST FULL SCAN                 1
****************************** ****************************** ************ -----------                       ----------
sum                                                                           2,616.00                            1,187

ACC_POS_INT_TBL                ACC_POS_INT_10DIG_IDX          FUNCTION-       2,622.00 RANGE SCAN                    59
                                                              BASED NORMAL

                                                                                       SAMPLE FAST FULL SCAN          4
                                                                                       FAST FULL SCAN                 2
                               PK_ACC_POS_INT_TBL             NORMAL          2,496.00 RANGE SCAN                    65
                                                                                       FAST FULL SCAN                53
                                                                                       UNIQUE SCAN                   14
                                                                                       SKIP SCAN                     13
                                                                                       SAMPLE FAST FULL SCAN          1
****************************** ****************************** ************ -----------                       ----------
sum                                                                          20,346.00                              211

ACC_POS_STOCK_TBL_ARC          PK_ACC_POS_STOCK_ARCH_TBL      NORMAL         18,977.00 RANGE SCAN                   177
                                                                                       SAMPLE FAST FULL SCAN         10
                                                                                       UNIQUE SCAN                    4
                                                                                       SKIP SCAN                      3
****************************** ****************************** ************ -----------                       ----------
sum                                                                          75,908.00                              194

STK_TBL_ARC                    PK_STK_ARCH_TBL                NORMAL            920.00 RANGE SCAN                   126
                                                                                       UNIQUE SCAN                   38
                                                                                       SKIP SCAN                     17
                                                                                       SAMPLE FAST FULL SCAN          2
****************************** ****************************** ************ -----------                       ----------
sum                                                                           3,680.00                              183

STK_TBL_LOG                    PK_STK_TBL_LOG                 NORMAL            480.00 UNIQUE SCAN                   56
****************************** ****************************** ************ -----------                       ----------
sum                                                                             480.00                               56

TRADE_BROKER_CHRG_TBL_ARC      PK_TRADE_BROKER_CHRG_TBL_ARC   NORMAL            128.00        -                       0
                               UNI_TDBK_CHRG_ARC              NORMAL            104.00 RANGE SCAN                   283
****************************** ****************************** ************ -----------                       ----------
sum                                                                             232.00                              283

TRADE_BROKER_JOURNAL_TBL_ARC   IDX_TDBK_JRNL_ARC_ENTRY_DT     NORMAL            168.00        -                       0
                               IDX_TDBK_JRNL_ARC_INSTRU_ID    NORMAL            144.00 FULL SCAN                      1
                               IDX_TDBK_JRNL_ARC_STOCK_CD     NORMAL            144.00 FULL SCAN                      1
                               IDX_TDBK_JRNL_ARC_TRADED_PRICE NORMAL            144.00 FULL SCAN                      1
                               PK_TRADE_BROKER_JOURNAL_ARC    NORMAL            200.00        -                       0
****************************** ****************************** ************ -----------                       ----------
sum                                                                             800.00                                3

TRADE_CLIENT_CHRG_TBL_ARC      IDX_TDCL_CHRG_ARC_GRP_REF_ID   NORMAL            704.00 RANGE SCAN                 3,537
                               PK_TRADE_CLIENT_CHRG_TBL_ARC   NORMAL          1,539.00 RANGE SCAN                    24
                                                                                       SAMPLE FAST FULL SCAN          2
                               UNI_TDCL_CHRG_ARC              NORMAL          1,216.00 RANGE SCAN                 1,103
                                                                                       FAST FULL SCAN                 3
                                                                                       SAMPLE FAST FULL SCAN          2
****************************** ****************************** ************ -----------                       ----------
sum                                                                           7,430.00                            4,671

TRADE_CLIENT_DTL_TBL_ARC       IDX_TDCL_DTL_ARC_ACTION_N_STUS NORMAL            312.00        -                       0
                               IDX_TDCL_DTL_ARC_ACT_TD_PRICE  NORMAL            184.00 FULL SCAN                      1
                               IDX_TDCL_DTL_ARC_REF_ID        NORMAL            344.00 RANGE SCAN                 4,623
                                                                                       FAST FULL SCAN                 1
                                                                                       FULL SCAN                      1
                               IDX_TDCL_DTL_ARC_TRADED_PRICE  NORMAL            184.00        -                       0
                               PK_TRADE_CLIENT_DTL_TBL_ARC    NORMAL            432.00        -                       0
                               UNI_TDCL_DTL_ARC_TRADE_DTL_ID  NORMAL            272.00        -                       0
****************************** ****************************** ************ -----------                       ----------
sum                                                                           2,416.00                            4,626

TRADE_CLIENT_TBL_ARC           IDX_TDCL_ARC_ACC_NUM           NORMAL            152.00 RANGE SCAN                   534
                               IDX_TDCL_ARC_GRP_REF_ID        NORMAL            120.00 RANGE SCAN                   550
                                                                                       FAST FULL SCAN                 1
                               IDX_TDCL_ARC_INPUT_DATE        NORMAL            120.00 RANGE SCAN                 7,231
                               IDX_TDCL_ARC_PL_STK            NORMAL            144.00 SKIP SCAN                    156
                                                                                       RANGE SCAN                     3
                                                                                       FULL SCAN                      1
                               IDX_TDCL_ARC_TRADE_DATE        NORMAL            120.00 RANGE SCAN                12,778
                               PK_TRADE_CLIENT_TBL_ARC        NORMAL            160.00 RANGE SCAN                    37
                               UNI_TDCL_ARC_REF_ID            NORMAL            112.00 UNIQUE SCAN                  157
                                                                                       FAST FULL SCAN                 8
                                                                                       SAMPLE FAST FULL SCAN          1
****************************** ****************************** ************ -----------                       ----------
sum                                                                           1,560.00                           21,457

--Author : Robinson
--Blog   : http://blog.csdn.net/robinson_0612

"Showed only indexes in GO_ADMIN schema whose size > 100 MB in period:"

30.01.2013-07.04.2013

--該腳本作者為Damir Vadas，感謝Damir Vadas的貢獻
robin@SZDB:~/dba_scripts/custom/sql> more idx_usage_detail.sql
/* ---------------------------------------------------------------------------
 CR/TR#  :
 Purpose : Shows index usage by execution (find problematic indexes)
 
 Date    : 22.01.2008.
 Author  : Damir Vadas, damir.vadas@gmail.com
 
 Remarks : run as privileged user
           Must have AWR run because sql joins data from there
           works on 10g >        
            
           @index_usage SCHEMA MIN_INDEX_SIZE
            
 Changes (DD.MM.YYYY, Name, CR/TR#):          
          25.11.2010, Damir Vadas
                      added index size as parameter
          30.11.2010, Damir Vadas
                      fixed bug in query
                                 
--------------------------------------------------------------------------- */

set linesize 140
set pagesize 160
 
clear breaks
clear computes
 
break on TABLE_NAME skip 2 ON INDEX_NAME ON INDEX_TYPE ON MB
compute sum of NR_EXEC on TABLE_NAME SKIP 2
compute sum of MB on TABLE_NAME SKIP 2
 
 
SET TIMI OFF
set linesize 140
set pagesize 10000
set verify off
col OWNER noprint
col TABLE_NAME for a30 heading 'Table name'
col INDEX_NAME for a30 heading 'Index name'
col INDEX_TYPE for a15 heading 'Index type'
col INDEX_OPERATION for a21 Heading 'Index operation'
col NR_EXEC for 9G999G990 heading 'Executions'
col MB for 999G990D90 Heading 'Index|Size MB' justify  right
 
        WITH Q AS (
                SELECT
                       S.OWNER                  A_OWNER,
                       TABLE_NAME               A_TABLE_NAME,
                       INDEX_NAME               A_INDEX_NAME,
                       INDEX_TYPE               A_INDEX_TYPE,
                       SUM(S.bytes) / 1048576   A_MB
                  FROM DBA_SEGMENTS S,
                       DBA_INDEXES  I
                 WHERE S.OWNER =  '&&1'
                   AND I.OWNER =  '&&1'
                   AND INDEX_NAME = SEGMENT_NAME
                 GROUP BY S.OWNER, TABLE_NAME, INDEX_NAME, INDEX_TYPE
                HAVING SUM(S.BYTES) > 1048576 * &&2
        )
        SELECT /*+ NO_QUERY_TRANSFORMATION(S) */
               A_OWNER                                    OWNER,
               A_TABLE_NAME                               TABLE_NAME,
               A_INDEX_NAME                               INDEX_NAME,
               A_INDEX_TYPE                               INDEX_TYPE,
               A_MB                                       MB,
               DECODE (OPTIONS, null, '       -',OPTIONS) INDEX_OPERATION,
               COUNT(OPERATION)                           NR_EXEC
         FROM  Q,
               DBA_HIST_SQL_PLAN d
         WHERE
               D.OBJECT_OWNER(+)= q.A_OWNER AND
               D.OBJECT_NAME(+) = q.A_INDEX_NAME
        GROUP BY
               A_OWNER,
               A_TABLE_NAME,
               A_INDEX_NAME,
               A_INDEX_TYPE,
               A_MB,
               DECODE (OPTIONS, null, '       -',OPTIONS)
        ORDER BY
               A_OWNER,
               A_TABLE_NAME,
               A_INDEX_NAME,
               A_INDEX_TYPE,
               A_MB DESC,
               NR_EXEC DESC
;

PROMPT "Showed only indexes in &&1 schema whose size > &&2 MB in period:"
 
SET HEAD OFF;
select to_char (min(BEGIN_INTERVAL_TIME), 'DD.MM.YYYY')
       || '-' ||
       to_char (max(END_INTERVAL_TIME), 'DD.MM.YYYY')
from dba_hist_snapshot;
 
SET HEAD ON
SET TIMI ON