Ali created a report for an instructor that lists all student marks for three tests, a midterm, and a final exam for the Winter term.The instructor asks Ali to modify the report to include only the three tests.What type of data manipulation would that involve?
A)selecting
B)projecting
C)joining
D)linking

Question

Quizplus · Accepted Answer

Projecting involves selecting certain attributes or columns from a table while ignoring others. In this case, the instructor wants only the marks for the three tests, so Ali would need to project those columns and exclude the midterm and final exam columns.

Ali Created a Report for an Instructor That Lists All