Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?（）

相似题目

• Which of the following can lead to the contribution of LAN traffic congestion?（）

  A . Too many hosts in a broadcast domain B . Full duplex operation C . Broadcast storms D . Multicasting E . Segmentation F . Low bandwidth

  查看最佳答案

• The RVPC user can do which of the following？（）

  A .  Register databases if granted the register database privilege B .  See all databases in the recovery-catalog schema C .  See all database-related metadata in the recovery catalog if they are granted access to that database D .  Unregister databases from the RVPC catalog that were not granted to the RVPC catalog owner with  the grant command E .  Not be connected to with the RMAN command-line catalog parameter for backup or recovery purpose

  查看最佳答案

• Which of the following can be inferred from the lase paragraph?

  A . Vanity has more often been found in idealists. B . The fast-fashion industry ignores sustainability. C . People are more interested in unaffordable garments. D . Pricing is vital to environment-friendly purchasing.

  查看最佳答案

• Which of the following resources can be explicitly locked?（）

  A . Row B . Page C . Table D . Colum

  查看最佳答案

• Which of the following can be used to describe the instructor?

  查看最佳答案

• Which of the following can be a member of a band?

  查看最佳答案

• Which of the following can help train speaking?

  查看最佳答案

• Which of the following enzymes can hydrolyze proteins?（ ）

  查看最佳答案

• Which of the following enzymes can hydrolyze proteins?（        ）

  查看最佳答案

• Which of the following factors can influence stock prices? (   )

  查看最佳答案

• Which choice in the following can instead of the word thing?

  查看最佳答案

• Which of the following can best describe “intimate friends”?

  查看最佳答案

• Which of the following can add to students' homesickness?

  查看最佳答案

• Which of the following can be inferred from the passage？

  A．College students are more interested in sightseeing. B．Those with a high school degree only do not like playing sports. C．High school graduates enjoy being with their friends. D．People with lower incomes are more likely to spend their leisure time watching TV.

  查看最佳答案

• Which of the following can affect network durations？

  A.Skills of the resource pool B.Calendar dates C.Constraints D.All of the above E.A and B only

  查看最佳答案

• Which of the following can result in misinterpretation of the statement of work？

  A.Using imprecise language (i.e. nearly, approximately) B.Mixing tasks, specifications, special instructions and approvals C.No pattern, structure or chronological order D.Wide variation in the size of tasks or details of work E.All of the above

  查看最佳答案

• Which of the following statements can you infer from the passage？

  A．The riders are competitive and fond of taking risks. B．People except the riders show little interest in cyclo-cross. C．Before 1967, amateur and professional classes had never been separated in competition. D．Helpers are often hired by the riders.

  查看最佳答案

• Which of the following can serve as the best title of the passage？

  A．Barriers Made by People B．Functions of Communication C．Restrictions on Transportation D．Progress o Human Society

  查看最佳答案

• Which of the following can be used to describe the finding of RV 144？

  A．unexpected B．expected C．controversial D．insignificant

  查看最佳答案

• Which of the following sentences can be inferred from the report？

  A．The reporter will dismiss the subcontractor sooner or later. B．It will probably need more crew when dealing with the work indoors. C．The work will fall farther behind if there is no extra electricians being added. D．The framing, roofing, and siding is likely to have been finished by the middle of October if weather permitted.

  查看最佳答案

• Which of the following can best describe the first paragraph？

  A．An assertion is made and a specific supporting example is given. B．A conventional model is dismissed and an alternative introduced. C．The results of recent research are introduced and summarized. D．Two oppos to points of view are presented and evaluated. 此题为多项选择题。

  查看最佳答案

• Which of the following can we learn from the text？

  A．We shouldn't travel long distance. B．We should save water C．We should often repair our cars.

  查看最佳答案

• Which of the following can add to students’ homesickness？

  A．Anxietyofacademicperformance B．Failureinexams． C．Stressoffundingtheirlivingandcollegefees． D．Aand C．

  查看最佳答案

• Which of the following can trigger the linear protection switching of the PTN equipmen

  A．A.LOC alarm B．B.Mismerge alarm C．C.Forced switching command (FS) D．D.Manual switching command (MS)

  查看最佳答案

• Which of the following can best describe the author（）

  A．Caring and determined B．Honest and responsible C．Ambitious and sensitive D．Innocent and single-minded

  查看最佳答案