« previous next »

Author Question: A ________ key is a field that contains a nonrepeating value, which uniquely identifies each record. ... (Read 95 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Aug 29, 2018
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
Reply #1 on: Aug 29, 2018
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
« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Vision with macular degeneration is experienced with an inability to focus in the center of the visu Vision with macular degeneration is experienced with an inability to focus in the center of the visu
The magnetic field of Uranus as observed by Voyager 2 in 1986. S and N are magnetic south and north The magnetic field of Uranus as observed by Voyager 2 in 1986. S and N are magnetic south and north
Preparation of sterile field 1 Preparation of sterile field 1
Calculate the net field at the location of q 3 Calculate the net field at the location of q 3
A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ... A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ...
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library