Author Question: A deletion anomaly occurs when the entire primary key is not known and the database cannot delete a ... (Read 101 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
A deletion anomaly occurs when the entire primary key is not known and the database cannot delete a record.
 
  Indicate whether the statement is true or false

Question 2

A template that the analyst may use when beginning to model or talk about the system from an O-O perspective is called a:
 
  A) CRC card.
  B) UML descriptor.
  C) whole-part structure.
  D) design layer.
  E) User Message Language.



Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

FALSE

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library