1
--查詢當(dāng)前會話和相關(guān)進(jìn)程信息的SQL語句
2
select s.saddr,
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s.sid,
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s.serial#,
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s.paddr,
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s.username,
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s.status,
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s.osuser,
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s.process,
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s.machine,
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s.program,
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s.type,
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s.action,
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s.logon_time,
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p.pga_used_mem,
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p.pga_alloc_mem
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from v$session s, v$process p
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where s.PADDR = p.ADDR
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order by sid
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21
--查詢當(dāng)前會話等待情況及對應(yīng)進(jìn)程信息的SQL語句
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select s.SID,
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s.SERIAL#,
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s.PADDR,
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s.PROGRAM,
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s.ACTION,
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s.TYPE,
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s.MACHINE,
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s.SCHEMANAME,
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s.USERNAME,
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s.STATUS,
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w.SEQ#,
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w.EVENT,
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w.SECONDS_IN_WAIT,
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w.STATE
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from v$session s, v$session_wait w
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where s.sid = w.sid
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order by s.sid
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--查看SQL語句執(zhí)行效率的語句
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select sql_text,
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executions,
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fetches,
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parse_calls,
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disk_reads,
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buffer_gets,
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optimizer_mode,
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cpu_time,
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elapsed_time
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from v$sql
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order by cpu_time desc, executions desc
-------------------------------------------------------------
生活就像打牌,不是要抓一手好牌,而是要盡力打好一手爛牌。
posted on 2008-06-09 16:23
Paul Lin 閱讀(1548)
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