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Author Question: A(n) ________ prevents another transaction from reading and therefore updating a record until it is ... (Read 14 times)

iveyjurea

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on: Jul 7, 2018
A(n) ________ prevents another transaction from reading and therefore updating a record until it is unlocked.
 
  A) record controller
  B) exclusive lock
  C) authorization rule
  D) shared lock

Question 2

Differential backups only back up data that has changed since the most recent full backup.
 
  Indicate whether the statement is true or false.
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
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upturnedfurball

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Reply #1 on: Jul 7, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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iveyjurea

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Reply 2 on: Jul 7, 2018
Excellent

sultana.d

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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