文档解释ORA-01143:cannotdisablemediarecovery–filestringneedsmediarecoveryCause:Anattempttodisablemediarecoveryfoundafilethatneedsmediarecovery,thusmediarecove...

文档解释ORA-31143:XDB_SET_INVOKERroleisrequiredCause:XDB_SET_INVOKERrolewasrequiredtosettheSET-INVOKERattributetoTRUE.Action:Correctproblemandresubmitstatement.ORA-...

文档解释Errornumber:MY-011432;Symbol:ER_KEYRING_AWS_INCORRECT_FILE;SQLSTATE:HY000Message:IncorrectKeyringfile错误说明：MySQL错误代码MY-011432，对应的SqlstateHY000，提示符ER_KEYRING_...

文档解释Errornumber:MY-011434;Symbol:ER_KEYRING_AWS_FAILED_TO_RESTORE_FROM_BACKUP_FILE;SQLSTATE:HY000Message:Errorwhilerestoringkeyringfrombackupfilecannotoverwrite...

文档解释Errornumber:MY-012968;Symbol:ER_IB_MSG_1143;SQLSTATE:HY000Message:Startingtodeleteandrewritelogfiles.错误说明：MySQL错误号“MY-012968”以及SQLSTATE“HY000”正如其Symbol“ER_I...

文档解释Errornumber:MY-011437;Symbol:ER_KEYRING_AWS_FAILED_TO_CONNECT_KMS;SQLSTATE:HY000Message:CouldnotconnecttoAWSKMSwiththecredentialsprovided.Pleasemakesurethey...

文档解释Errornumber:MY-011431;Symbol:ER_KEYRING_AWS_FAILED_TO_GENERATE_KEY_DUE_TO_INTERNAL_ERROR;SQLSTATE:HY000Message:Failedtogenerateakeyduetointernalexceptionins...

文档解释Errornumber:MY-011143;Symbol:ER_SEMISYNC_MASTER_OOM;SQLSTATE:HY000Message:Cannotallocatememorytoenablesemi-synconthemaster.错误说明：MY-011143是MySQL半同步复制的一个错误，它表...

文档解释Errornumber:MY-011435;Symbol:ER_KEYRING_AWS_FAILED_TO_FLUSH_KEYRING_TO_FILE;SQLSTATE:HY000Message:Errorwhileflushingin-memorykeyringintokeyringfileMY-011435...

文档解释Errornumber:MY-011436;Symbol:ER_KEYRING_AWS_INCORRECT_REGION;SQLSTATE:HY000Message:WrongregionMY-011436;ER_KEYRING_AWS_INCORRECT_REGION;HY000错误消息该错误消息指示MySQ...

文档解释Errornumber:MY-011439;Symbol:ER_KEYRING_AWS_FAILED_TO_ENCRYPT_KEY;SQLSTATE:HY000Message:Couldnotencryptkey.AWSKMSreturnedthiserror:%sMySQL错误ER_KEYRING_AWS_F...

文档解释Errornumber:MY-011433;Symbol:ER_KEYRING_AWS_FOUND_MALFORMED_BACKUP_FILE;SQLSTATE:HY000Message:Foundmalformedkeyringbackupfile–removingitMY-011433;ER_K...

文档解释Errornumber:MY-011430;Symbol:ER_KEYRING_AWS_INVALID_KEY_LENGTH_FOR_CIPHER;SQLSTATE:HY000Message:InvalidkeylengthforgivenblockcipherErrornumber:MY-011430;Sym...

文档解释Errornumber:MY-011438;Symbol:ER_KEYRING_AWS_FAILED_TO_GENERATE_NEW_KEY;SQLSTATE:HY000Message:Couldnotgenerateanewkey.AWSKMSreturnedthiserror:%sMySQLER_KEYRI...

　　给出一个有向图。求最小链覆盖。 　　首先说两个概念：　　　　链：一条链是一些点的集合，链上任意两个点x,y，满足要么x能到达y，要么y能到达x。　　　　反链：一条反链是一些点的集合，链上任意两个点x,y，满足x不能到达y，且y也不能到达x。　　这题就是求最长反链长度。　　有两个定理：　　最长反链长度=最小...