文档解释ORA-39261:Cannotmodifycolumnincluster.Cause:DBMS_METADATA_DIFFwascomparingtwoclusterswithdifferentcolumnlists.ThereisnoSQLALTERstatementtomodifyacolumninacl...

文档解释ORA-39262:Cannotaltersizeforhashcluster.Cause:DBMS_METADATA_DIFFwascomparingtwohashclusterswithdifferentsizes.ThereisnoSQLALTERstatementtomodifythesizeofaha...

文档解释ORA-39267:Cannotremovedefaultfromtablecolumn.Cause:DBMS_METADATA_DIFFwascomparingtwotablecolumns,onewithadefaultvalue,onewithout.ThereisnoSQLALTERsyntaxtore...

文档解释ORA-39263:CannotalterPARALLELINSTANCES.Cause:DBMS_METADATA_DIFFwascomparingtwoobjects,bothwithPARALLELbutwithdifferentINSTANCESvalues.ThereisnoSQLALTERstate...

文档解释ORA-39268:Cannotalterarealcolumntomakeitvirtualorviceversa.Cause:DBMS_METADATA_DIFFwascomparingtwotablecolumns,onevirtual,onereal.ThereisnoSQLALTERstatement...

文档解释ORA-39269:CannotalteracolumnoftypeLONGtoanythingotherthanLOB.Cause:DBMS_METADATA_DIFFwascomparingtwotablecolumns,thefirstoftypeLONG,thesecondofadatatypeothe...

文档解释ORA-39266:Cannotalterunpartitionedtabletopartitioned.Cause:DBMS_METADATA_DIFFwascomparingtwotables,oneunpartitioned,theotherpartitioned.ThereisnoSQLALTERsta...

文档解释ORA-39260:Cannotdeletecolumnfromcluster.Cause:DBMS_METADATA_DIFFwascomparingtwoclusterswithdifferentcolumnlists.ThereisnoSQLALTERstatementtodeleteacolumnfro...

文档解释Errornumber:3926;Symbol:ER_CLIENT_PRIVILEGE_CHECKS_USER_DOES_NOT_EXIST;SQLSTATE:HY000Message:PRIVILEGE_CHECKS_USERforreplicationchannel‘%s’wasse...

文档解释Errornumber:MY-013926;Symbol:ER_COMPONENT_EE_DATA_DECRYPTION_ERROR;SQLSTATE:HY000Message:Couldnotdecryptdatainfunction‘%s’usingalgorithm‘%...

原文链接https://www.cnblogs.com/zhouzhendong/p/BZOJ3926.html　　给定一个有$n$个节点，最多只有$20$个度为$1$的节点的树。　　树上每一个节点上面都有一个颜色$a_i$。颜色范围在$[0,c)$中。　　现在从树上任意一个点出发，走到任意一个点停止，走过的最短路径上...