This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A(n) ________ must satisfy referential integrity, which specifies that the value of an attribute in ... (Read 170 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
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
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gcook

  • Sr. Member
  • ****
  • Posts: 343
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.
Answer Preview
Only 25% of students answer this correctly


Collmarie

  • Member
  • Posts: 569
Reply 2 on: Jul 7, 2018
:D TYSM

diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ... When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
Is it ethical to break the law to defend our personal integrity? Is it ethical to break the law to defend our personal integrity?
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
To satisfy the inequality, sketch the following function by hand and shade the graph regions. To satisfy the inequality, sketch the following function by hand and shade the graph regions.
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library