( )表示一个新的事务处理块的开始A.START TRANSACTIONB.BEGIN TRANSACTIONC.BEGIN COMMITD.START COMMIT

( )表示一个新的事务处理块的开始

A.START TRANSACTION

B.BEGIN TRANSACTION

C.BEGIN COMMIT

D.START COMMIT


相关考题:

[A] introduction[B] transaction [C] distribution[D] provision

All the information of his interest ________ will be monitored by relevant authorities.A、deviceB、commerceC、examD、transaction

Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?() A. point-in-time recoveryB. execute the ROLLBACK command with transaction numberC. flashback the database to before the transaction was committedD. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery

AusernamedArrenisexecutingthisquery:selecttable_name,operation,undo_sqlfromflashback_transaction_queryt,(selectversions_xidasxidfromemployeesversionsbetweenscnminvalueandmaxvaluewhereemployee_id=123)ewheret.xid=e.xid;Whenthequeryruns,hereceivesanORA-01031:insufficientprivilegeserror.Sincetheuserownstheemployeestable,youknowthatitisnottheproblem.WhichofthefollowingSQLstatementswillcorrectthisproblem?()A.GRANTSELECTANYTRANSACTIONTOARRENB.GRANTSELECTONFLASHBACK_TRANSACTION_QUERYTOARRENC.GRANTSELECT_ANY_TRANSACTIONTOARREND.GRANTFLASHBACKTOARRENE.GRANTSELECTANYVIEWTOARREN

哪个消息是MGC发给MG的心跳消息?() A、!/1[192.168.6.71]:2944Transaction=20{Context=-{AuditValue=ROOT{Audit{}}}}B、!/1[192.168.6.71]:2944Transaction=5{Context=-{Auditcapability=A0{Audit{Media,packages}}}}C、!/1[191.2.6.213]:2944Transaction=275{Context=-{Notify=ROOT{ObservedEvents=0{19700101T01153516:it/ito}}}}D、!/1[192.168.1.119]:2944Transaction=2050{Context=-{AuditValue=ROOT{Audit{Package s}}}}

事务(Transaction)是一个______。A.程序B.进程C.操作序列D.完整性规则

WhichtwostatementsregardingtheFLASHBACK_TRANSACTION_QUERYviewarecorrect?() A.YoucanfindinformationaboutonlyactivetransactionsfromtheviewB.YoucanfindinformationaboutreadonlytransactionsfromtheviewC.YourequiretheSELECTANYTRANSACTIONsystemprivilegetoaccesstheviewD.YoucanfindinformationaboutbothactiveandcommittedtransactionsfromtheviewE.YourequiretheSELECTONFLASHBACK_TRANSACTION_QUERYobjectprivilegetoaccesstheview

The WHO says there is currently no evidence of human-to-human ______ of the virus.A.translationB.transitionC.transmissionD.transaction

回滚事务,可以使数据恢复到事务开始时的状态,使用()transaction 语句