This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is true about a relation? A) The order of the columns in a relation must ... (Read 45 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
Which of the following is true about a relation?
 
  A) The order of the columns in a relation must go from largest to smallest.
  B) All entries in any column must be of the same kind.
  C) A relation may have duplicate column names.
  D) A relation may have duplicate rows.
  E) A relation may have multiple names.

Question 2

SQL views are constructed from:
 
  A) CREATE statements.
  B) INSERT statements.
  C) UPDATE statements.
  D) SELECT statements.
  E) VIEW statements.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryhom

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

B

Answer to Question 2

D




abarnes

  • Member
  • Posts: 556
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)


marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library