Author Question: When transforming supertype/subtype entities into a relational database design, an entity is created ... (Read 149 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 toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library