网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()

  • A、 until Thursday morning
  • B、 until that point in time when the database is opened
  • C、 until that point in time when the recovery is performed
  • D、 until last Sunday’s backup
  • E、 until that point in time when the table is dropped and purged
  • F、 until Wednesday evening

参考答案

更多 “You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()A、 until Thursday morningB、 until that point in time when the database is openedC、 until that point in time when the recovery is performedD、 until last Sunday’s backupE、 until that point in time when the table is dropped and purgedF、 until Wednesday evening” 相关考题
考题 Yet unfortunately, ____you want to forbid it, the more they want to have a look at it. A、ifB、the moreC、oneD、only when

考题 "__________ you know what you have to offer and what you want, you can start finding an employer to match." A. Much asB.OnceC. Only whenD. Even if

考题 “__________ you know what you have to offer and what you want, you can start finding an employer to match.“ A. Only whenB. OnceC. Even ifD. Much as

考题 Not only you but also Tom ( )such a mistake. A、have madeB、has madeC、were madeD、is made

考题 that was a great dinner____. Thanks. But it really took only an hour. A)I have never had it beforeB)I enjoyed it very muchC)you must have spent all day cookingD)who cooked it?

考题 You have only 1000 words in which to ______ his speech.A:amount toB:sum upC:lead toD:take up

考题 Not only you but also I mistaken.()A. amB. hadC. wereD. have

考题 Student: How long can I have these books?Librarian: This one is on the three-hour-loan; you may have it for only three hours ______.A: The others are due in 30 days, on February 3.B: You may have it longer if you like.C: Drop the books into the RETURN boxes by the library entrance.D: The fine for overdue books is 5 dollars an hour.

考题 Which one of these statements about connecting to the Internet is true?(68).A.The Internet can only be used to link computers with same operating systemB.The Internet can be used to connect computers with different ISPC.You must have a telephone line to connect to the InternetD.You must have a modem to connect to the Internet

考题 If only you ()him what I said Everything would have been fine. A、didn t toldB、hadn t toldC、would not tellD、would have not told

考题 Alice: Stella, this is my boyfriend Rock.Stella: ______A、You may only have one.B、Yours is lovely, too.C、Oh,really? Nice to meet you.D、Very well, thank you.

考题 If you()stop smoking, you can only expect to have a bad cough.Awon’tBwouldn’tCdon’tDcan’t

考题 How()you say that you really understand the whole story if you have covered only part of the article?AcanBmustCneedDmay

考题 A computer can only do()you have instructed it to do.AhowBafterCwhatDwhen

考题 In which two cases would you use an outer join? ()A、The tables being joined have NOT NULL columns.B、The tables being joined have only matched data.C、The columns being joined have NULL values.D、The tables being joined have only unmatched data.E、The tables being joined have both matched and unmatched data.F、Only when the tables have a primary key-foreign key relationship.

考题 In which scenario will you perform a cancel-based recovery?()A、 when a tablespace is dropped and you have only RMAN-based backup of the databaseB、 when a table is dropped and stored in the Recycle BinC、 when you are required to recover an existing table to its previous stateD、 when a tablespace is dropped and you have only a user-managed full backup of the database

考题 You are working on a database that must be functioning 24 hours a day, 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups()A、You can perform consistent backups only.B、You can perform a complete database backup without shutting down the database instance.C、You can back up data files only when all data files have the same SCN recorded in the control file.D、You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.

考题 单选题In which scenario will you perform a cancel-based recovery?()A  when a tablespace is dropped and you have only RMAN-based backup of the databaseB  when a table is dropped and stored in the Recycle BinC  when you are required to recover an existing table to its previous stateD  when a tablespace is dropped and you have only a user-managed full backup of the database

考题 单选题How()you say that you really understand the whole story if you have covered only part of the article?A canB mustC needD may

考题 单选题If you()stop smoking, you can only expect to have a bad cough.A won’tB wouldn’tC don’tD can’t

考题 多选题You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?()APPPBUDPCTCPDICMP

考题 问答题Practice 5  Listen to the following passage. Write in English a short summary of around 150-200 words of what you have heard. You will hear the passage only once and then you will have 25 minutes to finish your summary. This part of the test carries 20 points. You may need to scribble a few notes to write your summary. _____________________________________________________________________________________________________________________________________________________________________________________________

考题 单选题Only when you have accumulated enough credits will you be _____ to apply for the degree.A elementaryB ethnicC eligibleD elegant

考题 单选题There is only one boat ______ for hire. I'm afraid you have to wait for the next one.A superiorB capableC complicatedD available

考题 多选题Half of your network uses RIPv2 and the other half runs OSPF. The networks do not communicate with each other. Which two of these factors describe the impact of activating EIGRP over each separate part?()AEIGRP will not be accepted when configured on the actual RIPv2 routers.BOSPF will no longer be used in the routing table, because you only have EIGRP internal routes running.COSPF will no longer be used in the routing table, because you only have EIGRP external routes running.DRIPv2 will populate its RIP database but not its routing table, because you only have EIGRP external routes running.ERIPv2 will populate its RIP database but not its routing table, because you only have EIGRP internal routes running.FOSPF database will have RIPv2 routes.

考题 单选题It can be inferred from this passage that ______.A airlines used to offer additional benefits to passengers who volunteered to be bumpedB volunteering to be bumped is always a lucrative dealC when you are bumped to a different flight you usually have to wait only a few minutesD overbooking flights is a growing practice in the airline industryE free-flight vouchers have fewer limitations than do vouchers for only a specified dollar amount

考题 单选题Only when you have a good knowledge of grammar______write correctly.A you willB you canC can youD can't you

考题 单选题I have only two tickets for TF Boys’ concert. ______ you ______ he can go on with me.A Either; orB Neither; norC Both; andD Not only; also