The field that uniquely identifies records in a table is called a(n) _____.
A. secondary key
B. primary key
C. search key
D. identifier
Answer: B
You might also like to view...
The const_cast operator is needed when __________ data must be treated as ___________ data.
a. const, const b. Non-const, const c. const, non-const d. Non-const, non-const
Laptops do not need cooling fans
Indicate whether the statement is true or false
When the host portion of an IP address is all binary zeros, that address is the ____ identifier.
A. subnetwork B. broadcast C. class D. multicast
?____ means that different icons on a computer screen represent common PBX functions such as call hold, call transfer, and call conferencing, making the system easier for operators to use.
A. ?Third-party call control B. ?PBX graphic user interface C. ?Fax-back D. ?Call filtering