Q.1
Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?
Q.2
Each entity is represented as a(n):
Q.3
The identifier of an entity will become the ________ of the new table.
Q.4
Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table?
Q.5
A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):
Q.6
For every relationship, how many possible sets of minimum cardinalities are there?
Q.7
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.
Q.8
Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?
Q.9
Which is not true about surrogate keys?
Q.10
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?
Q.11
Which of the following situation requires the use of ID-dependent entities?
Q.12
A foreign key is:
Q.13
Which of the following columns is(are) are required in a table?
Q.14
In a 1:1 relationship, the foreign key is placed in:
Q.15
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?
Q.16

Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?

  • MUST COVER
  • MUST NOT
  • Both of the above.
  • None of the above is correct.
Q.17

Each entity is represented as a(n):

  • tuple.
  • table.
  • attribute.
  • file.
Q.18

For every relationship, how many possible sets of minimum cardinalities are there?

  • Two
  • Three
  • Four
  • Six
Q.19

If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

  • the primary key
  • any alternate key
  • a surrogate key
  • a foreign key
Q.20

Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?

  • Null status
  • Data type
  • Default value
  • Data constraints
0 h : 0 m : 1 s