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

Author Question: A foreign key is a primary key of a relation that also is a primary key in another relation. ... (Read 97 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525
on: Jul 7, 2018
A foreign key is a primary key of a relation that also is a primary key in another relation.
 
  Indicate whether the statement is true or false

Question 2

A DES key is ________ bits long.
 
  A) 40
  B) 56
  C) 100
  D) 128


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE

Answer to Question 2

Answer: B


Zulu123

  • Member
  • Posts: 525
Reply 2 on: Jul 7, 2018
:D TYSM

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema
Primary Motor Cortex and Seizures Primary Motor Cortex and Seizures
The thymus, a primary lymphoid organ where T cells mature. The thymus, a primary lymphoid organ where T cells mature.
Primary Recovery of Oil Primary Recovery of Oil
Primary steps in fibrinolysis Primary steps in fibrinolysis
Frontal section of primary somatosensory area in right cerebral hemisphere Frontal section of primary somatosensory area in right cerebral hemisphere
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library