#Nologging

ORA-14102: only one LOGGING or NOLOGGING clause may be specified

文档解释ORA-14102:onlyoneLOGGINGorNOLOGGINGclausemaybespecifiedCause:LOGGINGwasspecifiedmorethanonce,NOLOGGINGwasspecifiedmorethanonce,orbothLOGGINGandNOLOGGINGwere...
IT技术学习 ·2023-07-26

ORA-26040: Data block was loaded using the NOLOGGING option

文档解释ORA-26040:DatablockwasloadedusingtheNOLOGGINGoptionCause:Tryingtoaccessdatainblockthatwasloadedwithout*redogenerationusingtheNOLOGGING/UNRECOVERABLEoptionAc...

ORA-25119: LOGGING/NOLOGGING option already specified

文档解释ORA-25119:LOGGING/NOLOGGINGoptionalreadyspecifiedCause:InCREATETABLESPACE,theLOGGINGand/orNOLOGGINGoptionswerespecifiedmorethanonce.Action:Removeallbutoneof...

ORA-14106: LOGGING/NOLOGGING may not be specified for a clustered table

文档解释ORA-14106:LOGGING/NOLOGGINGmaynotbespecifiedforaclusteredtableCause:UserattemptedtospecifyLOGGINGorNOLOGGINGclauseinCREATETABLEorALTERTABLEstatementinvolvin...

ORA-14103: LOGGING/NOLOGGING may not be combined with RECOVERABLE/UNRECOVERABLE

文档解释ORA-14103:LOGGING/NOLOGGINGmaynotbecombinedwithRECOVERABLE/UNRECOVERABLECause:Astatementcontainedboth[NO]LOGGINGand[UN]RECOVERABLEclauseswhichisdisallowed.A...

Oracle中可以nologging执行的操作

redo重做日志是Oracle数据库恢复(recovery)的基础;但在很多情况下可以通过禁用重做日志的产生来加速SQL语句的完成,也就是我们所说的可nologging化的操作,这些操作大多是或串行的或并行的数据载入。那么哪些操作是允许被nologging化的呢?首先需要注意的是普通的DML操作,即:常规insert,...

快速向表中插入大量数据Oracle中append与Nologging

来源于:http://blog.sina.com.cn/s/blog_61cd89f60102e7gi.html 当需要对一个非常大的表INSERT的时候,会消耗非常多的资源,因为update表的时候,oracle需要生成redolog和undolog;此时最好的解决办法是用insert,并且将表设置为nol...

关于加快INSERT语句执行速度和HINT /*+ append */及/*+ append nologging */的使用

(非归档模式下)创建表T01:SQL>createtablet01asselect*fromdba_objectswhere1=2;Tablecreated. (非归档模式下)查看当前redo大小:SQL>selectvalue2fromv$mystat,v$statname3wherev$mys...