What does data integrity primarily refer to?

Database Management Midterm Exam Part 1

Quiz
•
Instructional Technology
•
University
•
Medium
JONARD LOPEZ
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Completeness, accuracy, and reliability
Speed, efficiency, and scalability
Accessibility, flexibility, and security
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In data modeling, what does the Entity-Relationship Model (ERM) focus on?
Describing real-world entities and relationships between them
Optimizing database performance and storage
Implementing complex algorithms for data analysis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a primary key constraint in a database?
To establish links between tables
To ensure each record is uniquely identified
To prevent null values in key attributes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which constraint ensures that if a foreign key exists in one table, the corresponding primary key exists in another table?
Referential Integrity Constraint
Entity Integrity Constraint
Foreign Key Constraint
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an Entity-Relationship Diagram (ERD) primarily depict?
The physical layout of database tables
The logical structure of data and relationships between entities
The flow of data within a system
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the components of an ER Diagram include?
Entities, attributes, and relationships
Tables, rows, and columns
Functions, procedures, and triggers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a One-to-Many relationship, what is the cardinality?
One entity can be related to only one instance of another entity
One entity can be related to multiple instances of another entity
Multiple instances of one entity can be related to multiple instances of another entity
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