Author Question: When transforming supertype/subtype entities into a relational database design, an entity is created ... (Read 147 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
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
Answer to Question 1

FALSE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library