外贸网站推广平台有哪些,多姿wordpress,优秀建筑案例分析,同德县网站建设公司有些时候#xff0c;我们需要分析占用资源比较大的sql的执行计划#xff0c;也需要将sql的执行计划以报告的形式反馈给客户#xff0c;由于AWR报告里的SQL通常都是些变量#xff0c;因此以命令行方式生成sql的执行计划就很麻烦#xff0c;而且也不美观#xff0c;利用awr… 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)18,121,1984.893.20CPU Time (ms)17,874,4504.823.33Executions3,707,839 Buffer Gets404,447,392109.083.85Disk Reads00.000.00Parse Calls60.000.00Rows9,831,2842.65 User I/O Wait Time (ms)0 Cluster Wait Time (ms)0 Application Wait Time (ms)0 Concurrency Wait Time (ms)0 Invalidations0 Version Count38 Sharable Mem(KB)713 Id Operation Name Rows Bytes Cost (%CPU) Time
0SELECT STATEMENT 3 (100) 1 FOR UPDATE 2 SORT ORDER BY 1323 (34)00:00:013 TABLE ACCESS FULLTEMPSK1322 (0)00:00:01 https://streamsong.iteye.com/blog/1109377
