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Oracle X$Tables

發(fā)布時(shí)間:2024/4/15 编程问答 38 豆豆
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出處: http://www.dbanotes.net/

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前言

最早從 Yong Huang 那里看到關(guān)于比較詳細(xì)的X$表的介紹,后來(lái)陸續(xù)從其他Oracle專(zhuān)家那里得到了不少信息。在Steve Adams 的書(shū)中對(duì)X$表多有提及,而且他的站點(diǎn)也是個(gè)資源比較豐富的地方。不過(guò)在中文Oracle技術(shù)社區(qū)很少能看到一份比較完備的介紹X$的文檔。這算是整理這篇文檔的一個(gè)起因吧。

Oracle 數(shù)據(jù)庫(kù)引擎是個(gè)復(fù)雜無(wú)比的系統(tǒng),隨著每個(gè)新版本的推出,Oracle都會(huì)有不少新功能新特性加入其中,越發(fā)變得復(fù)雜。從X$表的數(shù)量上可見(jiàn)一斑:

Oracle 816 有265 個(gè) X$ 表
Oracle 901 有352 個(gè) X$ 表
Oracle 920 有394 個(gè) X$ 表
Oracle 10g 有543 個(gè) X$ 表

可以用如下腳本進(jìn)行基本查看X$ 表的基本信息:

SELECT NAME x$table_nameFROM v$fixed_tableWHERE NAME LIKE 'X$%' ORDER BY NAME;

V$fixed_table中可以查到所有的X$TABLE的名字。其值等于:X$KQFTA+X$KQFDT這兩個(gè)表中X$Table的數(shù)量。也可以通過(guò) Unix 的 strings 命令抽取 oracle 命令里的 X$ 表的信息。

$ strings $ORACLE_HOME/bin/oracle >xtable.sql

然后查看 xtables.sql 文件的內(nèi)容。相關(guān)站點(diǎn):

http://www.dbanotes.net/X$TABLES/xtable.sql
http://www.orafaq.com/faqdbain.htm
http://www.stormloader.com/yonghuang/computer/x$table.html
http://www.adp-gmbh.ch/ora/misc/x.html
http://www.geocities.com/kgkrish/ http://www.oracle-training.cc/oracle_tips_x$.htm

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注釋

一些特定的縮寫(xiě)的含義

X$KS - Kernel Services X$KSL - Kernel Service Latch X$KC - Kernel Cache X$KQ - Kernel Query X$KQ - Kernel Generic X$LE - Lock Element X$KZ - Kernel Security
Table_NameMeaningsCommentsV$ Views / Scripts
X$ABSTRACT_LOBLOB's ABSTRACT??
X$ACTIVECKPTACTIVE Check Point??
X$ASHActive Session History??
X$BHBuffer Header Buffer Cache
中所有塊的當(dāng)前狀態(tài)
從State列可得到緩沖區(qū)狀態(tài)值表:
0,'free' 空閑
1,'xcur' 獨(dú)占
2,'scur' 并發(fā)共享
3,'cr' 一致性讀取
4,'read' 讀取
5,'mrec' MediaRecovery
6,'irec' InstanceRecovery
7,'write' 寫(xiě)入
8,'pi', Pinned
9,'memory' 內(nèi)存
10,'mwrite' 內(nèi)存寫(xiě)
11,'donated' ?
This is a very useful internal view on the buffer cache headers for database blocks in the buffer cache.
GV$BH / V$BH
腳本:
查詢(xún)當(dāng)前X$BH狀態(tài)的腳本
X$BUFFER???
X$BUFFERED_PUBLISHERS??GV$BUFFERED_PUBLISHERS
&
V$BUFFERED_PUBLISHERS
X$BUFFERED_QUEUES???
X$BUFFERED_SUBSCRIBERS???
X$CKPTBUFCheck Point Buffer??
X$CONTEXT???
X$DUALDUAL table?SYS.STANDARD需要用到X$DUAL,
X$ESTIMATED_MTTR???
X$GLOBALCONTEXT???
X$HOFP???
X$HS_SESSION???
X$INSTANCE_CACHE_TRANSFER???
X$JOXFC???
X$JOXFD???
X$JOXFM???
X$JOXFR???
X$JOXFS???
X$JOXFT???
X$JSKJOBQ???
X$JSKSLV???
X$K2GTE???
X$K2GTE2???
X$KAUVRSTAT???
X$KCBBES???
X$KCBBF???
X$KCBBHS???
X$KCBFWAIT???
X$KCBKPFS???
X$KCBKWRL???
X$KCBLDRHIST???
X$KCBLSC???
X$KCBMMAV???
X$KCBOBH???
X$KCBOQH???
X$KCBSC???
X$KCBSDS???
X$KCBSH???
X$KCBSW???
X$KCBVBL???
X$KCBWAIT???
X$KCBWBPD???
X$KCBWDS???
X$KCBWH???
X$KCCAGF???
X$KCCAL???
X$KCCBF???
X$KCCBI???
X$KCCBL???
X$KCCBP???
X$KCCBS???
X$KCCCC???
X$KCCCFKernel Cache Controlfile management ControlFile name??
X$KCCCP???
X$KCCDC???
X$KCCDFHIST???
X$KCCDI??MAXLOGMEMBERS is available via x$kccdi.dimlm
X$KCCDI2???
X$KCCDL???
X$KCCFC???
X$KCCFE???
X$KCCFLE???
X$KCCFN???
X$KCCIC???
X$KCCIRT???
X$KCCLE???
X$KCCLH???
X$KCCOR???
X$KCCPA???
X$KCCPD???
X$KCCRDI???
X$KCCRM???
X$KCCRS???
X$KCCRSR???
X$KCCRT???
X$KCCSL???
X$KCCTF???
X$KCCTIR???
X$KCCTS???
X$KCFIO???
X$KCFIOHIST???
X$KCFTIO???
X$KCFTIOHIST???
X$KCKCE???
X$KCKFM???
X$KCKTY???
X$KCLCRST???
X$KCLCURST???
X$KCLFH???
X$KCLFI???
X$KCLFX???
X$KCLLS???
X$KCLQN???
X$KCLRCVST???
X$KCPXPL???
X$KCRFDEBUG???
X$KCRFSTRAND???
X$KCRFWS???
X$KCRFX???
X$KCRMF???
X$KCRMT???
X$KCRMX???
X$KCRRALG???
X$KCRRARCH???
X$KCRRDEST???
X$KCRRDGC???
X$KCRRDSTAT???
X$KCRRLNS???
X$KCRRMS???
X$KCTICW???
X$KCTLAX???
X$KCVFH???
X$KCVFHALL???
X$KCVFHMRR???
X$KCVFHONL???
X$KCVFHTMP???
X$KDLT???
X$KDNSSF???
X$KDXHS???
X$KDXST???
X$KEACMDN???
X$KEAOBJT???
X$KEHECLMAP???
X$KEHEVTMAP???
X$KEHF???
X$KEHOSMAP???
X$KEHPRMMAP???
X$KEHR???
X$KEHRP???
X$KEHR_CHILD???
X$KEHSQT???
X$KEHSYSMAP???
X$KEHTIMMAP???
X$KELRTD???
X$KELTGSD???
X$KELTOSD???
X$KELTSD???
X$KEWAM???
X$KEWASH???
X$KEWECLS???
X$KEWEFXT???
X$KEWESMAS???
X$KEWESMS???
X$KEWMAFMV???
X$KEWMDRMV???
X$KEWMDSM???
X$KEWMEVMV???
X$KEWMFLMV???
X$KEWMGSM???
X$KEWMRSM???
X$KEWMRWMV???
X$KEWMSEMV???
X$KEWMSMDV???
X$KEWMSVCMV???
X$KEWRSQLIDTAB???
X$KEWRTB???
X$KEWRTSEGSTAT???
X$KEWRTSQLSTAT???
X$KEWSSESV???
X$KEWSSMAP???
X$KEWSSVCV???
X$KEWSSYSV???
X$KEWXOCF???
X$KEWX_LOBS???
X$KEWX_SEGMENTS???
X$KFALS???
X$KFDAT???
X$KFDPARTNER???
X$KFDSK???
X$KFFIL???
X$KFFXP???
X$KFGMG???
X$KFGRP???
X$KFKID???
X$KFNCL???
X$KFTMTA???
X$KGHLU???
X$KGICC???
X$KGICS???
X$KGLAU???
X$KGLBODY???
X$KGLCLUSTER???
X$KGLCURSOR???
X$KGLDP???
X$KGLINDEX???
X$KGLJMEM???
X$KGLJSIM???
X$KGLLC???
X$KGLLK???
X$KGLMEM???
X$KGLNA???
X$KGLNA1???
X$KGLOB???
X$KGLPN???
X$KGLRD???
X$KGLSIM???
X$KGLSN???
X$KGLST???
X$KGLTABLE???
X$KGLTR???
X$KGLTRIGGER???
X$KGLXS???
X$KGSKASP???
X$KGSKCFT???
X$KGSKCP???
X$KGSKDOPP???
X$KGSKPFT???
X$KGSKPP???
X$KGSKQUEP???
X$KGSKTE???
X$KGSKTO???
X$KJBL???
X$KJBLFX???
X$KJBR???
X$KJBRFX???
X$KJCTFR???
X$KJCTFRI???
X$KJCTFS???
X$KJDRHV???
X$KJDRMAFNSTATS???
X$KJDRMHVSTATS???
X$KJDRMREQ???
X$KJDRPCMHV???
X$KJDRPCMPF???
X$KJICVT???
X$KJILFT???
X$KJILKFT???
X$KJIRFT???
X$KJISFT???
X$KJITRFT???
X$KJMDDP???
X$KJMSDP???
X$KJXM???
X$KKSAI???
X$KKSBV???
X$KKSCSKernel Kompile Shared Cursor Sharing??
X$KKSSRD???
X$KLCIE???
X$KLPT???
X$KMCQS???
X$KMCVC???
X$KMGSCT???
X$KMGSOP???
X$KMMDI???
X$KMMDP???
X$KMMRD???
X$KMMSG???
X$KMMSI???
X$KNGFL???
X$KNSTACR???
X$KNSTASL???
X$KNSTCAP???
X$KNSTMVR???
X$KNSTRPP???
X$KNSTRQU???
X$KOCST???
X$KQDPG???
X$KQFCO???
X$KQFDT???
X$KQFP???
X$KQFSZ???
X$KQFTA???
X$KQFVI???
X$KQFVT???
X$KQLFBC???
X$KQLFSQCE???
X$KQLFXPL???
X$KQLSET???
X$KQRFP???
X$KQRFS???
X$KQRPD???
X$KQRSD???
X$KQRST???
X$KRBAFF???
X$KRBMROT???
X$KRBMRST???
X$KRBMSFT???
X$KRCBIT???
X$KRCCDE???
X$KRCCDR???
X$KRCCDS???
X$KRCEXT???
X$KRCFBH???
X$KRCFDE???
X$KRCFH???
X$KRCGFE???
X$KRCSTAT???
X$KRFBLOG???
X$KRFGSTAT???
X$KRVSLV???
X$KRVSLVS???
X$KRVXDKA???
X$KRVXSV???
X$KSBDD???
X$KSBDP???
X$KSBTABACT???
X$KSFMCOMPL???
X$KSFMELEM???
X$KSFMEXTELEM???
X$KSFMFILE???
X$KSFMFILEEXT???
X$KSFMIOST???
X$KSFMLIB???
X$KSFMSUBELEM???
X$KSFQDVNT???
X$KSFQP???
X$KSFVQST???
X$KSFVSL???
X$KSFVSTA???
X$KSIMAT???
X$KSIMAV???
X$KSIMSI???
X$KSIRESTYP???
X$KSLCS???
X$KSLECLASS???
X$KSLED???
X$KSLEI???
X$KSLEMAP???
X$KSLES???
X$KSLLCLASS???
X$KSLLD???
X$KSLLT???
X$KSLLW???
X$KSLPO???
X$KSLSCS???
X$KSLSESHIST???
X$KSLWSC???
X$KSMDD???
X$KSMDUT1???
X$KSMFS???
X$KSMFSV???
X$KSMGE???
X$KSMHP???
X$KSMJCH???
X$KSMJS???
X$KSMLRU???
X$KSMLS???
X$KSMMEM???
X$KSMNIM???
X$KSMNS???
X$KSMPP???
X$KSMSD???
X$KSMSGMEM???
X$KSMSPKernel Service Memory in Shared Pool??
X$KSMSPR???
X$KSMSP_DSNEW???
X$KSMSP_NWEX???
X$KSMSS???
X$KSMSTRS???
X$KSMUP???
X$KSOLSFTS???
X$KSOLSSTAT???
X$KSPPCV???
X$KSPPCV2???
X$KSPPIKernel Service, Parameter, Parameter Info??
X$KSPPO???
X$KSPPSV???
X$KSPPSV2???
X$KSPSPFH???
X$KSPSPFILE???
X$KSPXFR???
X$KSQDN???
X$KSQEQ???
X$KSQEQTYP???
X$KSQRS???
X$KSQST???
X$KSRCCTX???
X$KSRCDES???
X$KSRCHDL???
X$KSRMPCTX???
X$KSRMSGDES???
X$KSRMSGO???
X$KSTEX???
X$KSUCF???
X$KSUCPUSTAT???
X$KSULL???
X$KSULOP???
X$KSULV???
X$KSUMYSTA???
X$KSUPGP???
X$KSUPGS???
X$KSUPL???
X$KSUPRKernel Services User Process?V$PROCESS is based on GV$PROCESS;
GV$PROCESS is based on X$KSUPR
X$KSUPRLAT???
X$KSURLMT???
X$KSURU???
X$KSUSD???
X$KSUSE???
X$KSUSECON???
X$KSUSECST???
X$KSUSEH???
X$KSUSESTA???
X$KSUSEX???
X$KSUSGIF???
X$KSUSGSTA???
X$KSUSIO???
X$KSUTM???
X$KSUVMSTAT???
X$KSUXSINST???
X$KSWSASTAB???
X$KSWSCLSTAB???
X$KSWSEVTAB???
X$KSXAFA???
X$KSXPIA???
X$KSXRCH???
X$KSXRCONQ???
X$KSXRMSG???
X$KSXRREPQ???
X$KSXRSG???
X$KTADM???
X$KTCSP???
X$KTCXB???
X$KTFBFE???
X$KTFBHC???
X$KTFBUE???
X$KTFTHC???
X$KTFTME???
X$KTIFB???
X$KTIFF???
X$KTIFP???
X$KTIFV???
X$KTPRHIST???
X$KTPRXRS???
X$KTPRXRT???
X$KTRSO???
X$KTSKSTAT???
X$KTSPSTAT???
X$KTSSO???
X$KTSTFC???
X$KTSTSSD???
X$KTTEFINFO???
X$KTTVS???
X$KTUGD???
X$KTUQQRY???
X$KTURD???
X$KTURHIST???
X$KTUSMST???
X$KTUSMST2???
X$KTUXEKernel Transaction Undo Transaxtion EntryThis view holds entry for each active undo slot.To see any DEAD transactions for deferred transaction recovery after startup: SELECT *FROM x$ktuxeWHERE ktuxecfl = 'DEAD';
X$KUPVA???
X$KUPVJ???
X$KVII???
X$KVIS?? SELECT kvisval, kvisdscFROM x$kvis;
X$KVIT???
X$KWDDEF???
X$KWQBPMT???
X$KWQPD???
X$KWQPS???
X$KWQSI???
X$KWRSNV???
X$KXFPCDS???
X$KXFPCMS???
X$KXFPCST???
X$KXFPDP???
X$KXFPNS???
X$KXFPPFT???
X$KXFPSDS???
X$KXFPSMS???
X$KXFPSST???
X$KXFPYS???
X$KXFQSROW???
X$KXSBD???
X$KXSCC???
X$KZDOS???
X$KZEMAEA???
X$KZEMAIE???
X$KZRTPD???
X$KZSPR???
X$KZSRO???
X$KZSRT???
X$LCR???
X$LE???
X$LOGMNR_ATTRIBUTE$???
X$LOGMNR_CALLBACK???
X$LOGMNR_COL$???
X$LOGMNR_COLTYPE$???
X$LOGMNR_CONTENTS???
X$LOGMNR_DICT$???
X$LOGMNR_DICTIONARY???
X$LOGMNR_DICTIONARY_LOAD???
X$LOGMNR_ENCRYPTED_OBJ$???
X$LOGMNR_ENCRYPTION_PROFILE$???
X$LOGMNR_IND$???
X$LOGMNR_INDPART$???
X$LOGMNR_LATCH???
X$LOGMNR_LOGFILE???
X$LOGMNR_LOGS???
X$LOGMNR_OBJ$???
X$LOGMNR_PARAMETERS???
X$LOGMNR_PROCESS???
X$LOGMNR_REGION???
X$LOGMNR_ROOT$???
X$LOGMNR_SESSION???
X$LOGMNR_TAB$???
X$LOGMNR_TABCOMPART$???
X$LOGMNR_TABPART$???
X$LOGMNR_TABSUBPART$???
X$LOGMNR_TRANSACTION???
X$LOGMNR_TS$???
X$LOGMNR_TYPE$???
X$LOGMNR_USER$???
X$MESSAGES???
X$NLS_PARAMETERS???
X$NSV???
X$OPTION???
X$PRMSLTYX???
X$QESMMAHIST???
X$QESMMAPADV???
X$QESMMIWH???
X$QESMMIWT???
X$QESMMSGA???
X$QESRSTAT???
X$QESRSTATALL???
X$QKSCESES???
X$QKSCESYS???
X$QKSMMWDS???
X$QUIESCE???
X$RFMP???
X$RFMTE???
X$SKGXPIA???
X$TARGETRBA???
X$TEMPORARY_LOB_REFCNT???
X$TIMEZONE_FILE???
X$TIMEZONE_NAMES???
X$TRACE???
X$TRACE_EVENTS???
X$UGANCO???
X$VERSION???
X$VINST???
X$XSAGGR???
X$XSAGOP???
X$XSAWSO???
X$XSLONGOPS???
X$XSOBJECT???
X$XSOQMEHI???
X$XSOQOJHI???
X$XSOQOPHI???
X$XSOQOPLU???
X$XSOQSEHI???
X$XSSINFO???

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