plain主题的文章列表，还有plain的技术要点_第1页

ORA-32342: The EXPLAIN_MVIEW facility failed to explain the materialized view statement

文档解释ORA-32342:TheEXPLAIN_MVIEWfacilityfailedtoexplainthematerializedviewstatementCause:Anerrorexistsinthematerializedviewdefinition.Asaresult,thematerializedvie...

IT技术学习 ·2023-07-27

ORA-32341: The EXPLAIN_MVIEW facility failed to explain the materialized view “string”.”string”

文档解释ORA-32341:TheEXPLAIN_MVIEWfacilityfailedtoexplainthematerializedview“string”.”string”Cause:Thedependentobject(s)ofthematerializedvie...

IT技术学习 ·2023-07-26

ORA-13781: cannot perform test-execute and explain plan operations on the automatic SQL tuning task

文档解释ORA-13781:cannotperformtest-executeandexplainplanoperationsontheautomaticSQLtuningtaskCause:Theuserattemptedtotest-executeorgenerateexplainplansforaSQLworkl...

IT技术学习 ·2023-07-11

ORA-32347: NULL capabilities during explain mview

文档解释ORA-32347:NULLcapabilitiesduringexplainmviewCause:Thesupplieddefiningquerydidnotgenerateanycapabilitiesinformation.Action:Replacethequerysinceitisnotsuitabl...

IT技术学习 ·2023-07-10

ORA-02401: cannot EXPLAIN view owned by another user

文档解释ORA-02401:cannotEXPLAINviewownedbyanotheruserCause:TheviewspecifiedintheSQLstatementbelongstoanotheruserandcannotbeexplained.Action:Createaviewwiththesamede...

IT技术学习 ·2023-07-08

ORA-30376: prevent sharing of a parsed query of an explain rewrite session

文档解释ORA-30376:preventsharingofaparsedqueryofanexplainrewritesessionCause:Explainrewritegeneratesasharedcursorafterparsingtheuserquery.Raisingthiserrorwillpreven...

IT技术学习 ·2023-07-08

ORA-02400: explain plan output buffer size limit exceeded

文档解释ORA-02400:explainplanoutputbuffersizelimitexceededCause:Internallythiserrorisraisedandcaughttohandlecaseswheretheplanoutputexceedstebuffersize.Theoutputistr...

IT技术学习 ·2023-07-08

MySQL Error number: 3598; Symbol: ER_WINDOW_EXPLAIN_JSON; SQLSTATE: HY000

文档解释Errornumber:3598;Symbol:ER_WINDOW_EXPLAIN_JSON;SQLSTATE:HY000Message:TogetinformationaboutwindowfunctionsuseEXPLAINFORMAT=JSON错误说明ER_WINDOW_EXPLAIN_JSON错误是M...

IT技术学习 ·2023-07-03

MySQL Error number: 3012; Symbol: ER_EXPLAIN_NOT_SUPPORTED; SQLSTATE: HY000

文档解释Errornumber:3012;Symbol:ER_EXPLAIN_NOT_SUPPORTED;SQLSTATE:HY000Message:EXPLAINFORCONNECTIONcommandissupportedonlyforSELECT/UPDATE/INSERT/DELETE/REPLACE：错误说明...

IT技术学习 ·2023-06-17

mysql explain（转）

explain显示了mysql如何使用索引来处理select和表连接转自http://blog.csdn.net/zhuxineli/article/details/14455029explain显示了MySQL如何使用索引来处理select语句以及连接表。可以帮助选择更好的索引和写出更优化的查询语句。先解析一条sql...

代码星球 ·2021-02-23

ENGLISH FOR BUSINESS SPEAKING (NEW) --Unit 16 Dealing with a complaint on the telephone

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代码星球 ·2021-02-22

ENGLISH FOR BUSINESS SPEAKING (NEW) --Unit 15 Dealing with a complaint on the telephone

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代码星球 ·2021-02-22

ENGLISH FOR BUSINESS SPEAKING (NEW) --Unit 14 Making a complaint on the telephone

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代码星球 ·2021-02-22

ENGLISH FOR BUSINESS SPEAKING (NEW) --Unit 13 Making a complaint on the telephone

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代码星球 ·2021-02-22

浅谈SQL优化入门：2、等值连接和EXPLAIN（MySQL）

在《MySQL必知必会》中对于等值连接有提到两种方式，第一种是直接在WHERE子句中规定如何关联即可，那么第二种则是使用INNERJOIN关键字。如下例两种方式是“等同”的。//WHERE方式SELECTvend_name,prod_name,prod_price,quantityFROMvendors,product...

代码星球 ·2021-02-21