C170 (Data Management Applications): Practice Test 1
1. A customer can purchase many products and a product can be purchased by many customers.
Which kind of binary relationship does this scenario describe?
a. Many-to-many
b. One-to-many
c. One-to-one binary
d. One-to-one
2.
Which kind of relationship is displayed in this entity-relationship diagram?
a. Binary one-to-one
b. Unary many-to-many
c. Ternary one-to-one
d. Binary many-to-many
e. Unary one-to-one
, f. Ternary many-to-many
3.
Which kind of relationship is displayed in this entity-relationship diagram?
a. One-to-one binary
b. One-to-one unary
c. Many-to-many binary
d. Many-to-many unary
4.
How is this portion of the entity-relationship diagram read, from left to right?
1. A customer can purchase many products and a product can be purchased by many customers.
Which kind of binary relationship does this scenario describe?
a. Many-to-many
b. One-to-many
c. One-to-one binary
d. One-to-one
2.
Which kind of relationship is displayed in this entity-relationship diagram?
a. Binary one-to-one
b. Unary many-to-many
c. Ternary one-to-one
d. Binary many-to-many
e. Unary one-to-one
, f. Ternary many-to-many
3.
Which kind of relationship is displayed in this entity-relationship diagram?
a. One-to-one binary
b. One-to-one unary
c. Many-to-many binary
d. Many-to-many unary
4.
How is this portion of the entity-relationship diagram read, from left to right?
