目前国际上通用的物流条码码制有()。

iguration tile: [mysqld] Plugin-load=audit_log.so Audit-log=FORCE_PLUS_PERMANENT You attempt to start up the MySQL service and notice that it fails to start.Which two statements would explain why the service did not start?（）

A.FORCE_PLUS_PERMANENT is not valid for the audit-log option

B.The audit_log.so library does not exist

C.The audit_log.so library is in a location that is different from that defined by the plugin_dir option

D.The audit plugin must be loaded dynamically by using the INSTALL PLUGIN command

E.The audit log file does not exist in which to write audit events

F.The audit_log.so library is not an executable file

A.Youmustenabletheblockchangetrackingfeature.

B.Youmusthaveenabletheflashbackfeature.

C.YoumustusetheOMFinyourdatabase.

D.YoumustdefinethetablespaceoftheSCOTT.EMPtableforautomaticsegmentspacemanagement.

A.INCLUDINGDEPENDENCIES

B.INCLUDINGDEPENDENCIESCASCADE

C.COMPACT

D.CASCADE

E.Noneoftheabove

on，youfindthatsomeusersarenotcommittingtheirtransactionsthoughtheyarenotperforminganyactivityforalongtime.Asaresult，SQLstatementsneedtowaitforrow-levellocks.Whichtwoactionscouldyoutaketopreventthislockingprobleminthefuture（）

A.DecreasetheIDLE_TIMEresourcelimitintheprofileassignedtotheblockingusers.

B.UseDatabaseResourceManagertoautomaticallylogoutsessionsthatblockothersandareidle.

C.Setthelimitintheprofileofblockinguserstocontrolthenumberofblockstobeaccessedinasession.

D.Decreasethemaximumnumberofinterestedtransactionlist（ITL）slotsforthesegmentsonwhichtheblockinguserperformsthetransaction

displayed：TZsettoAmerica/New_yorkOC4JConfigurationissue./u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.comnotfound.WhichtwoenvironmentvariablesdoyouneedtosetappropriatelytoavoidsucherrorsandstarttheDatabaseControlsuccessfully？（）

A.NLS_LANG

B.ORACLE_SID

C.ORACLE_HOME

D.ORACLE_BASE

E.LD_LIBRARY_PATH

A. RSTLNE

B. NLSRTL

C. LISTENER

D. NLSSORT

E. Linguistic sorts

A.Heaptables

B.Tableswithfunction-basedindexes

C.Indexes

D.Partitionsandsubpartitions

E.Noneoftheabove

eindexcolumnandthequeriesagainsttheclusteredtablewillalmostuseanequalityoperatortoretrievethedesiredrow.Whichtypeofclusterwillyoucreate？（）

A.Indexcluster

B.Hashcluster

C.SortedHashcluster

D.RealApplicationCluster

A.Avoidcodingunnecessarylong-runningtransactions.

B.Allowthedatabasetohandlelocksindefaultlockingmode.

C.Alwaysexplicitlycodethelocksaspertherequirementoftheapplication.

D.Allowescalationofrowlockstoblocklocksiftoomanyrowlockscauseproblem.

A. ALTER TABLE table_name ENABLE constraint_name;

B. ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint _ name;

C. ALTER TABLE table_name ENABLE CONSTRAINT constraint _ name;

D. ALTER TABLE table_name TURN ON CONSTRAINT constraint _ name;