By using the transaction identifier provided by（）for a particular row change， you can use the Flashback Transaction Query to see the operation performed by the transaction. 

A . one that uses an internal SQL Server Web service endpoint B . one that runs a SQL Server Integration Services （SSIS） package C . one that uses Service Broker D . one that runs a user-defined functio

A .  % idle B .  % sys C .  % user D .  % iowait

A . lapped construction B . strapped construction C . joggled construction D . belted constructio

A、rotary compressors B、reciprocating compressors C、centrifugal compressors D、screw compressors

A . calculating amplitudes B . calculating great circle sailings by the Agiton method C . entering the Air Navigation Tables (Selected Stars) Pub 249 D . plotting on star finder

A .  lsattr B .  pstat C .  netstat D .  ifconfig

A .  point-in-time recovery B .  execute the ROLLBACK command with transaction number C .  flashback the database to before the transaction was committed D .  determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery

A . used for electrical fires only B . the smallest C . the most accessible D . the most effective

A . Flat earth B . 3-D Square C . Trapezoidal D . Round earth

A .  tin B .  tout C .  % idle D .  % tm_act

A . ties B . binds C . does D . ha

A . Flashback Table B . Flashback Database C . Flashback Versions Query D . the RMAN REPORT command E . the DBA_PENDING_TRANSACTIONS view

A . It is possible, but transaction T3 also backs out. B . It is possible with the NOCASCADE_FORCE option. C . It is possible with the NONCONFLICT_ONLY option. D . It is not possible because it has conflicts with transaction T3.

A . /etc/rc/rc.mail B . /etc/mail.config C . /etc/sendmail.config D . /etc/mail/sendmail.cf

A .  You must use automatic undo management in the database. B .  You must configure OMF in your database. C .  You must configure ASM for storing the datafiles. D .  You must multiplex the online redo log file.

A .  when you want to restore an important table that is dropped from the Recycle Bin B .  when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transaction C . when you want to restore a dropped user’s schema D .  when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period

A . row level B . block level C . object level D . schema level E . database level

A .  To recover a dropped table. B .  To recover a dropped schema. C .  To recover data from a truncated table. D .  To view changes made by all the transactions during a given period of time. E .  To view changes made by a single transaction during a given period of time.

A . Flashback Table B . Flashback Database C . Flashback Versions Query D . the RMAN REPORT command E . the DBA_PENDING_TRANSACTIONS view

A．President Hoover B．President Roosevelt C．President Wilson D．General McArthur

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For most women, the language of conversations is【B6】a language of rapport: a way of establishing connections and【B7】relationships. Emphasis is【B8】on displaying similarities and【B9】experiences. From childhood, girls criticize peers who try to stand【B10】or appear better than others. People feel their closest connections at home, or in setting where they feel at home—with one or a few people they feel close【B11】and comfortable about—in other words, during private speaking.【B12】even the most public situations can be approached like private speaking. For most men, talk is primarily a means to【B13】independence and negotiate and【B14】status in a hierarchical social order. This is done by exhibiting knowledge and skill, and by【B15】center stage through verbal performance such as storytelling, joking, or【B16】information. From childhood; men learn to use talking as a way to get and keep【B17】. So they are more【B18】speaking in larger groups made up of people they know less well, in the broadest【B19】"public speaking". But even the most private situations can be approached like public speaking, more like giving a report than【B20】rapport. 【B1】 A．Compromised B．consolidated C．reinforced D．reconciled

T Tallon had the following transactions: (i) Sale of goods on credit for $150 to F Rogit (ii) Return of goods from B Blendigg originally sold for $300 in cash to B Blendigg What are the correct ledger entries to record these transactions？ A、DR Trade receivables $150 DR Sales Returns $300 CR Sales $150 CR Cash and bank $300 B、DR Sales $150 DR Cash and bank $300 CR Trade receivables $150 CR Sales Returns $300 C、DR Trade receivables $450 CR Sales $150 CR Sales Returns $30 D、DR Sales Returns $300 DR Sales $150 CR Cash and bank $450