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#5401
ORA-54015: Duplicate column expression was specified
文档解释ORA-54015:DuplicatecolumnexpressionwasspecifiedCause:Expressionofthevirtualcolumnbeingadded/createdconflictswithanexisting/previouslyspecifiedfunctionalinde...
IT技术学习
·
2023-07-26
ORA-54015
Duplicate
column
expression
was
ORA-54018: A virtual column exists for this expression
文档解释ORA-54018:AvirtualcolumnexistsforthisexpressionCause:Specifiedindexexpressionmatchesanexistingvirtualcolumn”Action:Re-issuethestatmentbyreplacingthein...
IT技术学习
·
2023-07-22
ORA-54018
virtual
column
exists
for
ORA-25401: can not continue fetches
文档解释ORA-25401:cannotcontinuefetchesCause:Afailureoccuredsincethelastfetchonthisstatement.Failoverwasunabletobringthestatementtoitsoriginalstatetoallowcontinuedf...
IT技术学习
·
2023-07-18
ORA-25401
can
not
continue
fetches
ORA-54012: virtual column is referenced in a column expression
文档解释ORA-54012:virtualcolumnisreferencedinacolumnexpressionCause:ThisvirtualcolumnwasreferencedinanexpressionofanothervirtualcolumnAction:Ensurethecolumnexpressi...
IT技术学习
·
2023-07-17
column
ORA-54012
virtual
is
referenced
ORA-54013: INSERT operation disallowed on virtual columns
文档解释ORA-54013:INSERToperationdisallowedonvirtualcolumnsCause:AttemptedtoinsertvaluesintoavirtualcolumnAction:Re-issuethestatmentwithoutprovidingvaluesforavirtua...
IT技术学习
·
2023-07-16
ORA-54013
INSERT
operation
disallowed
on
ORA-54011: expression column is not supported for a clustered table
文档解释ORA-54011:expressioncolumnisnotsupportedforaclusteredtableCause:Attempttocreate/alteraclusteredtablewithanexpressioncolumnAction:Thesecolumnsarenotsupported...
IT技术学习
·
2023-07-16
ORA-54011
expression
column
is
not
ORA-54016: Invalid column expression was specified
文档解释ORA-54016:InvalidcolumnexpressionwasspecifiedCause:Virtualcolumnexpressionisnotavalidarithmeticexpression.itprobablyreferstoanothercolumninthetableAction:Ch...
IT技术学习
·
2023-07-11
ORA-54016
Invalid
column
expression
was
ORA-54014: Resulting table from a CTAS operation contains virtual column(s)
文档解释ORA-54014:ResultingtablefromaCTASoperationcontainsvirtualcolumn(s)Cause:TablebeingcreatedbyaCTASoperationcontainsavirtualcolumndefinitionAction:Removethevir...
IT技术学习
·
2023-07-11
ORA-54014
Resulting
table
from
CTAS
ORA-54017: UPDATE operation disallowed on virtual columns
文档解释ORA-54017:UPDATEoperationdisallowedonvirtualcolumnsCause:AttemptedtoupdatevaluesofavirtualcolumnAction:Re-issuethestatmentwithoutsettingvaluesforthevirtualc...
IT技术学习
·
2023-07-09
ORA-54017
UPDATE
operation
disallowed
on
ORA-54019: Virtual column expression cannot be changed because it is a partitioning column
文档解释ORA-54019:VirtualcolumnexpressioncannotbechangedbecauseitisapartitioningcolumnCause:Attemptedtomodifytheexpressionofavirtualcolumnthatwasalsoapartitioningco...
IT技术学习
·
2023-07-08
column
ORA-54019
Virtual
expression
cannot
ORA-54010: expression column is not supported for a temporary table
文档解释ORA-54010:expressioncolumnisnotsupportedforatemporarytableCause:Attempttocreate/alteratemporarytablewithanexpressioncolumnAction:Thesecolumnsarenotsupported...
IT技术学习
·
2023-07-06
ORA-54010
expression
column
is
not
HDU - 5401 Persistent Link/cut Tree dp
HDU-5401明显发现这个东西可以递归处理，然后把式子列出来，记忆化搜就可以了。#include<bits/stdc++.h>#defineLLlonglong#defineLDlongdouble#defineullunsignedlonglong#definefifirst#definesesecon...
代码星球
·
2023-05-06
HDU
5401
Persistent
Link
cut
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