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

Author Question: Which of the following is true about a relation? A) The order of the columns in a relation must ... (Read 66 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

D


abarnes

  • Member
  • Posts: 556
Reply 2 on: Jul 7, 2018
Excellent

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Example of a cladogram, or branching order, of the New World monkey Superfamily Ceboidea. Example of a cladogram, or branching order, of the New World monkey Superfamily Ceboidea.
The Primate order displays a diversity of ways of moving around. The Primate order displays a diversity of ways of moving around.
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
How to find the maximum and minimum of a quadratic relation How to find the maximum and minimum of a quadratic relation
How to use implicit differentiation with higher order derivatives How to use implicit differentiation with higher order derivatives
Explain the assumptions that must be satisfied in order to validly use the one-way ANOVA ... Explain the assumptions that must be satisfied in order to validly use the one-way ANOVA ...
Video: Automated external defibrillator (AED)

For a complete list of videos, visit our video library