A ________ key is a field that contains a nonrepeating value, ...

[Coya19@aol.com]

A ________ key is a field that contains a nonrepeating value, which uniquely identifies each record.
 
  A) foreign
  B) primary
  C) secondary
  D) common

Question 2

________ law predicted that the number of transistors that could be placed on an integrated circuit doubles about every two years.
 
  Fill in the blank(s) with correct word

[rachel]

Answer to Question 1

B

Answer to Question 2

Moore's