« previous next »

Author Question: When transforming supertype/subtype entities into a relational database design, an entity is created ... (Read 75 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 7, 2018
When transforming supertype/subtype entities into a relational database design, an entity is created for the supertype only.
 
  Indicate whether the statement is true or false

Question 2

In an SQL query, which of the following symbols is used by Microsoft Access to represent a single unspecified character?
 
  A) _ (underscore)
  B) ? (question mark)
  C)  (asterisk)
  D)  (percent)


honnalora

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Boundaries within landscapes created by human activity (background) and natural environmental gradie Boundaries within landscapes created by human activity (background) and natural environmental gradie
A horizontally opposed engine design helps to lower the vehicle’s center of gravity. A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
Java Software Solutions: Foundations of Program Design Java Software Solutions: Foundations of Program Design
Importance of Considering Gestalt Principles in Product Design Importance of Considering Gestalt Principles in Product Design
Importance of Considering Gestalt Principles in Product Design Importance of Considering Gestalt Principles in Product Design
Individuals from highly divergent lines created by artificial selection Individuals from highly divergent lines created by artificial selection
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library