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

Author Question: An update anomaly occurs when the entire primary key is not known and the database cannot insert a ... (Read 32 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Jul 7, 2018
An update anomaly occurs when the entire primary key is not known and the database cannot insert a new record.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is one of Codd's principles?
 
  A) All data must be numerical
  B) Tables must have no more than 1000 rows
  C) Logical design must match physical design
  D) Logical design must be kept separate from physical design


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE

Answer to Question 2

D


HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
Vehicle transmission occurs through contamination of inanimate objects, such as milk. Vehicle transmission occurs through contamination of inanimate objects, such as milk.
Chlamydospore or spherule that occurs at body temperature. Chlamydospore or spherule that occurs at body temperature.
Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ... Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ...
Forms of primary adult glaucoma Forms of primary adult glaucoma
Primary growth in a root Primary growth in a root
Video: Nervous pathway to the Neuromuscular (NMJ)

For a complete list of videos, visit our video library