oracle最重要的9个动态性能视图
<P><SPAN style="FONT-SIZE: 10pt">v$session + v$session_wait (在10g里功能被整合,凑合算1个吧.)<BR>v$process<BR>v$sql<BR>v$sqltext <BR>v$bh (更宁愿是x$bh)<BR>v$lock<BR>v$latch_children<BR>v$sysstat<BR>v$system_event </SPAN></P><P><SPAN style="FONT-SIZE: 10pt"></SPAN></P><BR>
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<P><SPAN class=j***ascript id=text3420482 style="FONT-SIZE: 10pt">按组分的几组重要的性能视图<BR><BR>1。System 的 over view <BR>v$sysstat , v$system_event , v$parameter<BR><BR>2。某个session 的当前情况<BR>v$process , v$session , v$session_wait ,v$session_event , v$sesstat <BR><BR>3。SQL 的情况<BR>v$sql , v$sqlarea , v$SQL_PLAN , V$SQL_PLAN_STATISTICS, v$sqltext_with_newlines<BR><BR>3. Latch / lock /ENQUEUE<BR>v$latch , v$latch_children , v$latch_holder , v$lock ,V$ENQUEUE_STAT ,V$ENQUEUE_LOCK<BR><BR>4. IO 方面的<BR>v$segstat , v$filestat , v$tempstat ,v$datafile , v$tempfile <BR><BR>5.shared pool / Library cache<BR>v$Librarycache , v$rowcache , x$k***sp<BR><BR>6.几个advice也不错<BR>v$db_cache_advice , v$PGA_TARGET_ADVICE, v$SHARED_POOL_ADVICE </SPAN></P>
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