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Author Question: A(n) ________ must satisfy referential integrity, which specifies that the value of an attribute in ... (Read 149 times)

Collmarie

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on: Jul 7, 2018
A(n) ________ must satisfy referential integrity, which specifies that the value of an attribute in one relation depends on the value of the same attribute in another relation.
 
  A) Foreign key
  B) Primary key
  C) Unique key
  D) Index

Question 2

DFDs do a very good job of representing time. On a given DFD, there is an indication of whether a data flow occurs constantly in real time, once per week, or once per year. There is also an indication of when a system would run.
 
  Indicate whether the statement is true or false
Modern Systems Analysis and Design ¦ Valacich, George ¦ 8th Edition
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gcook

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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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Collmarie

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Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

gcook

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Reply 3 on: Yesterday
Wow, this really help

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