Which of the following products was the first to implement true relational algebra in a PC DBMS?
Answer: D
No Explanation.
Because it contains a description of its own structure, a database is considered to be ________ .
Answer: C
No Explanation.
The following are functions of a DBMS except ________ .
Answer: A
No Explanation.
Helping people keep track of things is the purpose of a(n) ________ .
Answer: A
No Explanation.