CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
What is a weak entity? - ANSWERS-Construct in an ER
diagram used to depict entities that do not have a unique
attribute of their own
What is an associative entity? - ANSWERS-Construct used as
an alternative way of depicting M:N relationships
What is a ternary relationship? - ANSWERS-Relationship
involving three entities
What are the main components of a database system -
ANSWERS--Database
-DBMS
, -Front-end applications
Give several examples of instances of data - ANSWERS--
figures
-graphics
-images
-text
-numbers
Give several examples of converting data to information -
ANSWERS--searching through, processing, or manipulating
the data in some sort of fashion
-ex: finding a phone number in a phone book to order pizza
Describe the relationship between the database and DBMS -
ANSWERS-DBMS is software used for the following
purposes:
-creation of databases
-insertion, storage, retrieval, update, and deletion of the
data in the database
-maintenance of databases