Data Models into Database Designs Questions and Answers

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Q1
Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?
  • A A domain constraint
  • B A range constraint
  • C An intrarelation constraint
  • D An interrelation constraint
Answer: Option A
Q2
In a 1:N relationship, the foreign key is placed in:
  • A either table without specifying parent and child tables.
  • B the parent table.
  • C the child table.
  • D either the parent table or the child table.
Answer: Option C
Q3
Which of the following column properties specifies whether or not cells in a column must contain a data value?
  • A Null status
  • B Data type
  • C Default value
  • D Data constraints
Answer: Option A
Q4
A primary key should be defined as:
  • A NULL.
  • B NOT NULL.
  • C Either of the above can be used.
  • D None of the above are correct.
Answer: Option B
Q5
Which of the following column properties would be used to specify that cells in a column must contain a monetary value?
  • A Null status
  • B Data type
  • C Default value
  • D Data constraints
Answer: Option B
Q6
Which of the following situation requires the use of ID-dependent entities?
  • A Association relationships only
  • B Multivalued attributes only
  • C Archetype/instance relationships only
  • D All of the above use ID dependent entities
Answer: Option D
Q7
A foreign key is:
  • A a column containing the primary key of another table.
  • B used to define data types.
  • C used to define null status.
  • D all of the above are above correct.
Answer: Option A
Q8
Which of the following columns is(are) are required in a table?
  • A A foreign key
  • B An alternate key
  • C A primary key
  • D A surrogate key.
Answer: Option C
Q9
In a 1:1 relationship, the foreign key is placed in:
  • A either table without specifying parent and child tables.
  • B the parent table.
  • C the child table.
  • D either the parent table or the child table.
Answer: Option A
Q10
Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
  • A Null status
  • B Data type
  • C Default value
  • D Data constraints
Answer: Option C

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