Author Question: Each instance of a weak entity must participate in one instance of the identifying relationship. ... (Read 94 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
Each instance of a weak entity must participate in one instance of the identifying relationship.
 
  Indicate whether the statement is true or false

Question 2

What is a nested query?
 
  What will be an ideal response?



itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

TRUE

Answer to Question 2

In some cases, a query may contain another query (or queries). A query that is used within
another query is called a nested query.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

For a complete list of videos, visit our video library