32 lines
No EOL
953 B
Markdown
32 lines
No EOL
953 B
Markdown
```sql
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# 查询执行最慢的sql
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select *
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from (select sa.SQL_ID,sa.SQL_TEXT,
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sa.SQL_FULLTEXT,
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sa.EXECUTIONS "执行次数",
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round(sa.ELAPSED_TIME / 1000000, 2) "总执行时间",
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round(sa.ELAPSED_TIME / 1000000 / sa.EXECUTIONS, 2) "平均执行时间",
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sa.COMMAND_TYPE,
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sa.PARSING_USER_ID "用户ID",
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u.username "用户名",
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sa.HASH_VALUE
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from v$sqlarea sa
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left join all_users u
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on sa.PARSING_USER_ID = u.user_id
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where sa.EXECUTIONS > 10 and u.username='++用户名++'
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order by (sa.ELAPSED_TIME / sa.EXECUTIONS) desc)
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where rownum <= 10;
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```
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```sql
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# 查询次数最多的sql
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select *
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from (select s.SQL_TEXT,
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s.EXECUTIONS "执行次数",
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s.PARSING_USER_ID "用户名",
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rank() over(order by EXECUTIONS desc) EXEC_RANK
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from v$sql s
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left join all_users u
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on u.USER_ID = s.PARSING_USER_ID) t
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where exec_rank <= 100;
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``` |