Sql Performance Analyzer (SPA)

本文介绍了一种使用SQL性能分析器进行SQL性能比较的方法,包括从生产数据库捕获SQL、迁移SQL到测试数据库、创建和执行SQL性能分析任务等步骤,并最终生成详细的性能对比报告。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

The SQL Performance Analyzer allows for the comparison of SQL performance statistics before and after changes and provide comparison report.

The Steps for SQL Replay is as below:

1 Capture SQLs on Production Database
2 Move SQLs to Test Database
3 Create a SQL Performance Analyzer task on the test system
4 Generate and store the query execution statistics before the change.
5 Make changes
6 Generate and store the query execution statistics after the change.
7 Compare Performance
8 Generate Report

1.Capture SQLs on Production Database

SQL>  exec dbms_sqltune.create_sqlset('STS')

PL/SQL 过程已成功完成。

SQL> DECLARE
  2          sts VARCHAR2(30) := 'STS';
  3  BEGIN
  4          dbms_sqltune.capture_cursor_cache_sqlset(sts,
  5                                                                                  30,
  6                                                                                  1,
  7                                                                                  'MERGE',
  8                                                                              dbms_sqltune.MODE_ACCUMULATE_STATS
  9                                                                               );
 10  END;
 11  /

PL/SQL 过程已成功完成。

SQL>

2.Move SQLs to Test Database

SQL> exec dbms_sqltune.create_stgtab_sqlset('SQLSET_TABLE');

PL/SQL 过程已成功完成。

SQL> exec dbms_sqltune.pack_stgtab_sqlset('STS','HENRY','SQLSET_TABLE','HENRY');

PL/SQL 过程已成功完成。

SQL> host exp henry/henry file=sqlset_table.dmp tables=sqlset_table

Export: Release 11.2.0.1.0 - Production on 星期二 12月 28 15:47:22 2010

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
已导出 ZHS16GBK 字符集和 AL16UTF16 NCHAR 字符集

即将导出指定的表通过常规路径...
. . 正在导出表                    SQLSET_TABLE导出了         160 行
成功终止导出, 没有出现警告。SQL> host imp bai/bai  file=sqlset_table.dmp full=y

Import: Release 11.2.0.1.0 - Production on 星期二 12月 28 15:55:01 2010

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

经由常规路径由 EXPORT:V11.02.00 创建的导出文件

警告: 这些对象由 HENRY 导出, 而不是当前用户

已经完成 ZHS16GBK 字符集和 AL16UTF16 NCHAR 字符集中的导入
. 正在将 HENRY 的对象导入到 SYSTEM
. 正在将 HENRY 的对象导入到 SYSTEM
IMP-00015: 由于对象已存在, 下列语句失败:
 "CREATE PUBLIC SYNONYM "ANYDATA" FOR "SYS"."ANYDATA""
. . 正在导入表                  "SQLSET_TABLE"导入了         160 行

3 Create a SQL Performance Analyzer task on the test system

SQL> exec dbms_sqltune.UNPACK_STGTAB_SQLSET(SQLSET_NAME=>'STS', SQLSET_OWNER=>'HENRY',REPLACE=>true,STAGING_TABLE_NAME=>'SQLSET_
TABLE', STAGING_SCHEMA_OWNER=>'HENRY' );

PL/SQL 过程已成功完成。

SQL> var l_task_id char(30)
SQL> begin
  2      :l_task_id:=dbms_sqlpa.create_analysis_task(
  3                                          sqlset_name => 'STS',
  4                                          task_name => 'MY_REPLAY_TASK'
  5                                          );
  6  end;
  7  /

PL/SQL 过程已成功完成。

SQL> exec dbms_sqltune.set_tuning_task_parameter('MY_REPLAY_TASK','LOCAL_TIME_LIMIT',60);

PL/SQL 过程已成功完成。

SQL> exec dbms_sqltune.set_tuning_task_parameter('MY_REPLAY_TASK','TIME_LIMIT',200000000000);

PL/SQL 过程已成功完成。
4 Generate and store the query execution statistics before the change.

SQL> begin
  2  DBMS_SQLPA.EXECUTE_ANALYSIS_TASK(
  3                                      task_name => 'MY_REPLAY_TASK',
  4                                      execution_type => 'TEST EXECUTE',
  5                                      execution_name => 'MY_REPLAY_EXECUTE_BEFORE'
  6                                      );
  7  end;
  8  /

PL/SQL 过程已成功完成。

SQL> col TASK_NAME format a30
SQL> col EXECUTION_NAME for a30
SQL> select execution_name,
  2  status,
  3  execution_end
  4  from DBA_ADVISOR_EXECUTIONS
  5  where task_name='MY_REPLAY_TASK'
  6   order by execution_end
  7  /

EXECUTION_NAME                 STATUS      EXECUTION_END
------------------------------ ----------- --------------
MY_REPLAY_EXECUTE_BEFORE       COMPLETED   28-12月-10
MY_REPLAY_EXECUTE_after        COMPLETED   28-12月-10
MY_COMPARE_EXECUTION           COMPLETED   28-12月-10
MY_REPLAY_EXECUTE_BEFORE       COMPLETED   28-12月-10

SQL> select TASK_ID,TASK_NAME,TASK_NAME , STATUS
  2  FROM USER_ADVISOR_TASKS
  3  WHERE task_name = 'MY_REPLAY_TASK';

   TASK_ID TASK_NAME                      TASK_NAME                      STATUS
---------- ------------------------------ ------------------------------ -----------
       412 MY_REPLAY_TASK                 MY_REPLAY_TASK                 COMPLETED

SQL> SELECT sofar, totalwork FROM V$ADVISOR_PROGRESS
  2  ;

     SOFAR  TOTALWORK
---------- ----------
       487        487
       487        487
       487        487
         0          0

SQL> select TASK_ID,TASK_NAME,TASK_NAME , STATUS FROM USER_ADVISOR_TASKS WHERE task_name = 'MY_REPLAY_TASK';

   TASK_ID TASK_NAME                      TASK_NAME                      STATUS
---------- ------------------------------ ------------------------------ -----------
       412 MY_REPLAY_TASK                 MY_REPLAY_TASK                 COMPLETED

SQL> show parameter target;

5 Make changes

SQL> show parameter target;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
archive_lag_target                   integer     0
db_flashback_retention_target        integer     1440
fast_start_io_target                 integer     0
fast_start_mttr_target               integer     0
memory_max_target                    big integer 820M
memory_target                        big integer 800M
parallel_servers_target              integer     8
pga_aggregate_target                 big integer 0
sga_target                           big integer 0

SQL>  alter system set memory_target=500m;

系统已更改。
6 Generate and store the query execution statistics after the change.

SQL> begin
  2  DBMS_SQLPA.EXECUTE_ANALYSIS_TASK(
  3  task_name => 'MY_REPLAY_TASK',
  4  execution_type => 'TEST EXECUTE',
  5  execution_name => 'MY_REPLAY_EXECUTE_after');
  6  end;
  7  /

PL/SQL 过程已成功完成。

7 Compare Performance

SQL> Begin
  2
  3  DBMS_SQLPA.EXECUTE_ANALYSIS_TASK(
  4  task_name => 'MY_REPLAY_TASK',
  5  execution_type => 'COMPARE PERFORMANCE',
  6  execution_name => 'MY_COMPARE_EXECUTION');
  7
  8  end;
  9  /

PL/SQL 过程已成功完成。

8 Generate Report

SQL> set serveroutput on size 999999
SQL> set long 999999
SQL>
SQL> select DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK') from dual;

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
General Information
---------------------------------------------------------------------------------------------

 Task Information:                              Workload Information:

 ---------------------------------------------  ---------------------------------------------
  Task Name    : MY_REPLAY_TASK                  SQL Tuning Set Name        : STS_TEST
  Task Owner   : HENRY                           SQL Tuning Set Owner       : HE
NRY
  Description  :                                 Total SQL Statement Count  : 487


DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
Execution Information:
---------------------------------------------------------------------------------------------
  Execution Name             : MY_COMPARE_EXECUTION    Started             : 12/28/2010 15:4
1:54
  Execution Type             : COMPARE PERFORMANCE     Last Updated        : 12/28/2010 15:42:00
  Description                :                         Global Time Limit   : 200000000000

  Scope                      : COMPREHENSIVE           Per-SQL Time Limit  : 60
  Status                     : COMPLETED               Number of Errors    : 221

  Number of Unsupported SQL  : 11

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------

Analysis Information:
---------------------------------------------------------------------------------------------
 Before Change Execution:                          After Change Execution:
 ---------------------------------------------     ------------------------------
---------------
  Execution Name      : MY_REPLAY_EXECUTE_BEFORE    Execution Name      : MY_REPLAY_EXECUTE_after
  Execution Type      : TEST EXECUTE                Execution Type      : TEST EX
ECUTE
  Scope               : COMPREHENSIVE               Scope               : COMPREHENSIVE
  Status              : COMPLETED                   Status              : COMPLET

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
ED
  Started             : 12/28/2010 15:38:18         Started             : 12/28/2010 15:41:22
  Last Updated        : 12/28/2010 15:39:05         Last Updated        : 12/28/2
010 15:41:47
  Global Time Limit   : 200000000000                Global Time Limit   : 200000000000
  Per-SQL Time Limit  : 60                          Per-SQL Time Limit  : 60

  Number of Errors    : 221                         Number of Errors    : 221


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

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
 Comparison Metric: ELAPSED_TIME

 ------------------
 Workload Impact Threshold: 1%

 --------------------------
 SQL Impact Threshold: 1%

 ----------------------

Report Summary

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------

Projected Workload Change Impact:
-------------------------------------------
 Overall Impact      :  -8.81%
 Improvement Impact  :  1.52%
 Regression Impact   :  -10.32%

SQL Statement Count
-------------------------------------------
 SQL Category  SQL Count  Plan Change Count

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
 Overall             487                  0
 Improved              1                  0
 Regressed             4                  0
 Unchanged           250                  0
 with Errors         221                  0
 Unsupported          11                  0

Top 100 SQL Sorted by Absolute Value of Change Impact on the Workload
---------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------
----

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|           |               | Impact on | Execution | Metric | Metric | Impact    | Plan   |
| object_id | sql_id        | Workload  | Frequency | Before | After  | on SQL    | Change |
-----------------------------------------------------------------------------------------
---
|      1171 | 5xpk50ma14qx0 |    -3.61% |       600 | 329629 | 348143 |    -5.62% | n      |
|      1301 | a8j39qb13tqkr |    -2.96% |        67 | 304100 | 440113 |   -44.73% | n      |
|      1085 | 35wbu3rr5q80d |    -2.08% |      2928 |   1264 |   3452 |   -173.1% | n
 |
|      1140 | 51vw8qf5uprrv |    -1.67% |        91 |   3092 |  59474 | -1823.48% | n      |
|      1063 | 2ft0vv13g0xkd |     1.52% |        91 | 145457 |  94220 |    35.22% | n      |
|      1360 | cm5vu20fhtnq1 |     -.91% |     84541 |     50 |     83 |      -66% | n

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|
|      1272 | 9b7pdpgf2znkk |      .75% |       100 | 126012 | 103010 |    18.25% | n      |
|      1046 | 1spv5pysapqvc |       .3% |        91 |  18908 |   8599 |    54.52% | n      |
|      1150 | 59suf2bbv0ht2 |     -.28% |        91 | 125721 | 135106 |    -7.46% | n      |

|      1462 | gwj1f651t001a |     -.26% |       295 |   2242 |   4980 |  -122.12% | n      |
|      1397 | dtgc9kqnm4v5s |     -.23% |      2928 |    642 |    881 |   -37.23% | n      |
|      1029 | 1d0yffmmwdnf3 |      .22% |      2928 |    365 |    136 |    62.74% | n      |
|       994 | 0drjkaxn1jfzh |     -.21% |      1511 |    535 |    966 |   -80.56
% | n      |
|      1060 | 27v7m7f3zm07w |      .16% |       272 |   3795 |   2027 |    46.59% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1321 | ayh8rjn158m80 |     -.13% |      6358 |     49 |    110 |  -124.49% | n      |
|      1425 | fsbqktj5vw6n9 |      .11% |      2962 |    369 |    252 |    31.71%
 | n      |
|      1391 | dpxn9r818qm9r |      .11% |      2929 |    218 |    100 |    54.13% | n      |
|      1078 | 30hy59nc21g04 |       .1% |      2933 |    322 |    220 |    31.68% | n      |
|      1003 | 0k8522rmdzg4k |      .07% |      2879 |    145 |     73 |    49.66%
| n      |
|      1069 | 2n1hu6d1pmvtw |     -.07% |      2933 |     67 |    137 |  -104.48% | n      |
|      1016 | 12kw3xcxv1qpg |      .06% |      1779 |    190 |     80 |    57.89% | n      |
|      1086 | 3626j8qpgf20s |     -.06% |        53 |   4366 |   7934 |   -81.72% |
 n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|       982 | 089dbukv1aanh |     -.06% |     31334 |     63 |     69 |    -9.52% | n      |
|      1118 | 4a3ccstvk0ssw |      .06% |      1779 |    185 |     80 |    56.76% | n      |
|      1221 | 7ng34ruy5awxq |     -.06% |      3166 |     90 |    145 |   -61.11% |
n      |
|      1324 | azr4arr8v288y |     -.05% |      2928 |     46 |     99 |  -115.22% | n      |
|      1200 | 74jp9b3h4krhd |      .05% |      2933 |    134 |     82 |    38.81% | n      |
|      1189 | 6r75f7k88qr4a |      .05% |      2933 |    134 |     83 |    38.06% | n
      |
|      1132 | 4yb79gnqp1v90 |      .05% |      2928 |    144 |     93 |    35.42% | n      |
|      1111 | 3yqfw6yfwwmyk |      .05% |      2928 |     90 |     40 |    55.56% | n      |
|      1121 | 4fhzczsnd3zr2 |      .05% |      2928 |     88 |     40 |    54.55% | n

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
     |
|      1364 | ctyb7x3gfayw5 |     -.04% |      2928 |     46 |     93 |  -102.17% | n      |
|      1407 | f6x4ksgvy5bkx |      .04% |      2687 |    108 |     58 |     46.3% | n      |
|      1002 | 0k54hbxdpz2a6 |      .04% |      2928 |     88 |     44 |       50% | n
    |
|      1454 | grwydz59pu6mc |     -.04% |      6077 |     43 |     63 |   -46.51% | n      |
|      1463 | gwqrn0xb8btyt |     -.04% |      2995 |     51 |     90 |   -76.47% | n      |
|      1337 | bqfx5q2jas08u |      .04% |        89 |   5701 |   4392 |    22.96% | n
   |
|      1326 | b2u9kspucpqwy |     -.04% |       210 |    148 |    693 |  -368.24% | n      |
|      1109 | 3ybzn58dw0g6d |      .03% |      2928 |     92 |     56 |    39.13% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1106 | 3w4qs0tbpmxr6 |      .03% |      2032 |     97 |     46 |    52.58% | n
  |
|      1134 | 4z2at9d1natrv |      .03% |       842 |    352 |    230 |    34.66% | n      |
|      1438 | g41n1r60y3d71 |     -.03% |      2929 |     64 |     99 |   -54.69% | n      |
|       984 | 08vznc16ycuag |      .03% |      1497 |    200 |    133 |     33.5% | n
 |
|      1164 | 5ms6rbzdnq16t |      .03% |     16551 |     67 |     61 |     8.96% | n      |
|      1129 | 4x2cynvsuuddu |      .03% |       151 |   1945 |   1291 |    33.62% | n      |
|      1116 | 459f3z9u4fb3u |      .03% |      1359 |    125 |     53 |     57.6% | n
|
|      1395 | drvfnp22at00m |     -.03% |      2928 |     41 |     74 |   -80.49% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1263 | 934ur8r7tqbjx |     -.03% |       143 |   2338 |   2996 |   -28.14% | n      |
|      1185 | 6k5agh28pr3wp |     -.03% |       210 |    450 |    898 |   -99.56% | n      |

|      1365 | cumjq42201t37 |     -.03% |      1512 |     50 |    112 |     -124% | n      |
|       980 | 05xcf43d9psvm |      .03% |       210 |   1080 |    674 |    37.59% | n      |
|      1071 | 2q93zsrvbdw48 |      .03% |      1807 |    173 |    126 |    27.17% | n      |
|      1409 | f8y4ubckk4pfh |      .03% |        91 |   1684 |    813 |    51.72
% | n      |
|      1361 | crwtm662ycm4w |     -.02% |       761 |    129 |    228 |   -76.74% | n      |
|      1355 | cb21bacyh3c7d |     -.02% |      2970 |     44 |     69 |   -56.82% | n      |
|       986 | 09rmn1adfaqct |     -.02% |      2928 |     45 |     70 |   -55.56%

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
 | n      |
|      1371 | cxjqbfn0d3yqq |     -.02% |       210 |    140 |    464 |  -231.43% | n      |
|      1236 | 828mzjuppndf4 |     -.02% |      2928 |    251 |    274 |    -9.16% | n      |
|      1449 | gkm8bs08b4fqu |     -.02% |      2928 |     42 |     65 |   -54.76%
| n      |
|      1080 | 32bhha21dkv0v |      .02% |       535 |    309 |    187 |    39.48% | n      |
|      1213 | 7gtztzv329wg0 |     -.02% |      1544 |     63 |    105 |   -66.67% | n      |
|      1229 | 7wt7phk4xns75 |     -.02% |       211 |    538 |    832 |   -54.65% |
 n      |
|      1464 | gx4mv66pvj3xz |     -.02% |      1991 |     56 |     86 |   -53.57% | n      |
|       997 | 0g5bcff16kw0p |     -.02% |      5856 |    141 |    151 |    -7.09% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1187 | 6mvfay19q3v4n |      .02% |       136 |    983 |    578 |     41.2% |
n      |
|      1367 | cvn54b7yz0s8u |     -.02% |       983 |     45 |    100 |  -122.22% | n      |
|      1210 | 7d92gmwphtza8 |     -.02% |       132 |   1753 |   2135 |   -21.79% | n      |
|      1023 | 1a8n1zgb7m90w |      .01% |       558 |    133 |     54 |     59.4% | n
      |
|      1143 | 53saa2zkr6wc3 |     -.01% |      6891 |    110 |    116 |    -5.45% | n      |
|      1404 | f3g84j69n0tjh |      .01% |       508 |    135 |     55 |    59.26% | n      |
|      1211 | 7dwyqv9sawkyb |     -.01% |       729 |     86 |    140 |   -62.79% | n
     |
|      1402 | f0b7463xuzazk |      .01% |       275 |    233 |    104 |    55.36% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1191 | 6xvp6nxs4a9n4 |      .01% |       981 |     94 |     58 |     38.3% | n      |
|      1362 | csnp95dz2r8ss |     -.01% |       981 |     49 |     83 |   -69.39% | n
    |
|      1237 | 83taa7kaw59c1 |      .01% |      3680 |    133 |    124 |     6.77% | n      |
|      1348 | c5sn73fw8w7qs |      .01% |       544 |    172 |    114 |    33.72% | n      |
|      1325 | b1wc53ddd6h3p |     -.01% |       537 |     48 |    105 |  -118.75% | n
   |
|      1417 | fhk9r0qb2n3t4 |     -.01% |      2928 |     41 |     51 |   -24.39% | n      |
|      1422 | fr31mzzknv0wh |      .01% |       162 |    245 |     68 |    72.24% | n      |
|      1356 | cca61npxvbudn |     -.01% |       275 |    143 |    241 |   -68.53% | n
  |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1316 | aukfj0ur6962z |      .01% |       276 |    156 |     59 |    62.18% | n      |
|      1339 | bsa0wjtftg3uw |      .01% |       781 |     90 |     58 |    35.56% | n      |
|      1022 | 19x1189chq3xd |      .01% |       216 |    171 |     57 |    66.67% | n
 |
|      1375 | d3apnz76qwmrs |     -.01% |      2933 |     89 |     97 |    -8.99% | n      |
|      1242 | 87gaftwrm2h68 |     -.01% |       661 |     76 |    110 |   -44.74% | n      |
|      1235 | 81ky0n97v4zsg |      .01% |      5480 |   1033 |   1029 |      .39% | n
|
|      1259 | 90sssrprs2xu2 |      .01% |       275 |    130 |     54 |    58.46% | n      |
|      1017 | 14fy467qw1j7t |      .01% |       373 |    101 |     46 |    54.46% | n      |
|      1212 | 7gmpnpyyq71ux |     -.01% |       272 |    159 |    234 |   -47.17% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------

|      1222 | 7nuw4xwrnuwxq |     -.01% |       535 |     53 |     91 |    -71.7% | n      |
|      1393 | dqbhc9r7gz0a5 |     -.01% |       136 |    554 |    703 |    -26.9% | n      |
|      1280 | 9k43zr1uannr6 |      .01% |       691 |    176 |    150 |    14.77% | n      |
|      1271 | 98wy11096mth0 |     -.01% |      2928 |    232 |    238 |    -2.59
% | n      |
|      1188 | 6qz82dptj0qr7 |      .01% |       511 |     83 |     51 |    38.55% | n      |
|      1055 | 22zy9092puhcu |     -.01% |        99 |   8686 |   8846 |    -1.84% | n      |
|      1141 | 52f02yu4nk0as |        0% |        91 |   5643 |   5475 |     2.98%
 | n      |
|      1323 | azbp445n3v9s1 |        0% |        71 |    139 |    350 |   -151.8% | n      |

DBMS_SQLPA.REPORT_ANALYSIS_TASK('MY_REPLAY_TASK')
--------------------------------------------------------------------------------
|      1040 | 1mjd9xp80vuqa |        0% |       250 |    108 |     49 |    54.63% | n      |
|      1327 | b6y9wkhxv1puz |        0% |      2933 |     74 |     79 |    -6.76%
| n      |
|      1419 | fp0agx1ukw7wu |        0% |      2928 |     46 |     51 |   -10.87% | n      |
--------------------------------------------------------------------------------------------


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

评论 1
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值