answers verified to pass 2025/2026
- correct answer ✔Data that describe the properties of other data are:
a. Logical Data
b. Physical Data
c. Metadata
d. Conceptual Data
- correct answer ✔Which of the following is NOT an advantage of database
systems?
a. improved data sharing
b. program-data dependence
c. better data quality
d. reduced program maintenance
- correct answer ✔The detailed technology-dependent specifications of the
database design are created in the:
a. physical design
b. implementation
c. conceptual analysis
d. logical design
, derived - correct answer ✔An attribute that can be calculated from other
available attribute values is called a(n) ________ attribute.
a. derived
b. simple
c. composite
d. multivalued
cardinality constraint - correct answer ✔A ________ specifies the number of
instances of one entity that can be associated with each instance of another
entity.
a. entity instance
b. relationship instance
c. relationship degree
d. cardinality constraint
d. It does not have a predefined data structure, providing more flexibility for
organizing data. - correct answer ✔Which of the following is a characteristic
of unstructured database processing?
a. It requires the use of SQL for data retrieval and manipulation
b. It involves a large amount of up-front cost of planning and analyzing data
requirements
c. It is well-suited for homogenous data (i.e., data types are similar)