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有些时候,我们需要分析占用资源比较大的sql的执行计划,也需要将sql的执行计划以报告的形式反馈给客户,由于AWR报告里的SQL通常都是些变量,因此以命令行方式生成sql的执行计划就很麻烦,而且也不美观,利用awrsqrpt.sql脚本就很方便。
生成HTML的执行计划很简单,如果是生成本地数据库的sql执行计划,执行awrsqrpt.sql就可以,但是如果需要生成由AWR迁移到本地数据库的分析数据,就需要使用awrsqrpi.sql。
SQL> @?/rdbms/admin/awrsqrpi
Specify the Report Type
 ~~~~~~~~~~~~~~~~~~~~~~~
 Would you like an HTML report, or a plain text report?
 Enter 'html' for an HTML report, or 'text' for plain text
 Defaults to 'html'
 输入 report_type 的值:  html
Type Specified: html
 Instances in this Workload Repository schema
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   DB Id     Inst Num DB Name      Instance     Host
 ------------ -------- ------------ ------------ ------------
 * 1520519778        1 STREAM       stream       STREAM
   2400249746        1 CNDERPDB     cnderpdb1    p5a1
   2400249746        2 CNDERPDB     cnderpdb2    p5b1
输入 dbid 的值:  2400249746       --输入要生成执行计划的数据库ID
 Using 2400249746 for database Id
 输入 inst_num 的值:  1                 --输入节点号
 Using 1 for instance number
 Specify the number of days of snapshots to choose from
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Entering the number of days (n) will result in the most recent
 (n) days of snapshots being listed.  Pressing <return> without
 specifying a number lists all completed snapshots.
 输入 num_days 的值:  7
Listing the last 7 days of Completed Snapshots
                                                        Snap
 Instance     DB Name        Snap Id    Snap Started    Level
 ------------ ------------ --------- ------------------ -----
 cnderpdb1    CNDERPDB         50063 16 6月  2011 08:00     1
                               50064 16 6月  2011 09:00     1
                               50065 16 6月  2011 10:00     1
                               50066 16 6月  2011 11:00     1
                               50067 16 6月  2011 12:00     1
... ...
                              50206 22 6月  2011 07:00     1
                               50207 22 6月  2011 08:00     1
                               50208 22 6月  2011 09:00     1
                               50209 22 6月  2011 10:00     1
Specify the Begin and End Snapshot Ids
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 输入 begin_snap 的值:  50063               --输入开始快照号
 Begin Snapshot Id specified: 50063
输入 end_snap 的值:  50209                  --输入结束快照号
 End   Snapshot Id specified: 50209
 Specify the SQL Id
 ~~~~~~~~~~~~~~~~~~
 输入 sql_id 的值:  8hm5s0k011450      --在AWR报告中看到的占用资源较大的SQL ID
 SQL ID specified:  8hm5s0k011450
Specify the Report Name
 ~~~~~~~~~~~~~~~~~~~~~~~
 The default report file name is awrsqlrpt_1_50063_50209.html.  To use this name,
press <return> to continue, otherwise enter an alternative.
输入 report_name 的值: d:\stream.html --保存路径和名字
Using the report name d:\stream.html
Report written to d:\stream.html
 SQL>
之后打开D盘下的stream.html就可以很直观的看到SQL_ID为8hm5s0k011450的执行计划
Stat Name Statement Total Per Execution % Snap Total
| Elapsed Time (ms) | 18,121,198 | 4.89 | 3.20 | 
| CPU Time (ms) | 17,874,450 | 4.82 | 3.33 | 
| Executions | 3,707,839 | ||
| Buffer Gets | 404,447,392 | 109.08 | 3.85 | 
| Disk Reads | 0 | 0.00 | 0.00 | 
| Parse Calls | 6 | 0.00 | 0.00 | 
| Rows | 9,831,284 | 2.65 | |
| User I/O Wait Time (ms) | 0 | ||
| Cluster Wait Time (ms) | 0 | ||
| Application Wait Time (ms) | 0 | ||
| Concurrency Wait Time (ms) | 0 | ||
| Invalidations | 0 | ||
| Version Count | 38 | ||
| Sharable Mem(KB) | 713 | 
Id Operation Name Rows Bytes Cost (%CPU) Time
| 0 | SELECT STATEMENT | 3 (100) | ||||
| 1 | FOR UPDATE | |||||
| 2 | SORT ORDER BY | 1 | 32 | 3 (34) | 00:00:01 | |
| 3 | TABLE ACCESS FULL | TEMPSK | 1 | 32 | 2 (0) | 00:00:01 | 
https://streamsong.iteye.com/blog/1109377
