QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
DBMS (database management system) - ANS creates, reads, updates, and deletes data in a
database while controlling access and security
Database system - ANS enables efficient interaction between end-users and the information
captured in a database
conceptual database model - ANS ER modeling - visual modeling of database structure
logical database model - ANS Relational schema - includes cardinality constraints,
relationships, and entities
Database use - ANS insertion, modification, deletion, and retrieval of data
What are the steps to implementing a database? - ANS requirements, modeling,
implementation, & deployment
database analyst - ANS a person who is responsible for defining and visualizing data
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, database designer - ANS database modelers or architects
database developers - ANS responsible for implementing the database and making it
functional with DBMS
front-end application analysts - ANS in charge of collecting and defining requirements for
front-end applications
front end applications developers - ANS in charge of creating the front-end applications
ER Modeling - ANS conceptual database modeling technique
ERD - ANS the result of ER modeling
relationship instances - ANS occurrences of a relationship
relationship attributes - ANS attributes of a relationship and not an entity (M:N)
composite attribute - ANS attribute thats comprised of multiple parts (address)
How is a composite attribute represented? - ANS it is in parentheses
How is a composite unique attribute represented? - ANS it is underlined and in parentheses
multivalued attribute - ANS attribute that can have more than one value (phone number)
How is a multivalued attribute represented? - ANS it has double circles
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