Author Question: A ________ key is a field that contains a nonrepeating value, which uniquely identifies each record. ... (Read 38 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
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

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

Moore's



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The FDA recognizes 118 routes of administration.

For a complete list of videos, visit our video library