PRELIM EXAM | IM2
Authored by John Miranda
Computers
University
Used 20+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a database?
A collection of computer hardware
A structured collection of data
A computer program
A network of interconnected devices
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a database management system (DBMS)?
Create data
Store and manage data
Process data for printing
Encrypt data
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a common type of database model?
Relational
hierarchical
Linear
NoSQL
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a schema in the context of a database?
A programming language used for databases
A table of data
A visual representation of data relationships
The structure that defines the organization of data in a database
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a table in a relational database?
A graphical representation of data
A collection of related records organized in rows and columns
A document containing data
A program for accessing data
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a relational database, what is a primary key?
A key used to open the database
A key used for encryption
A unique identifier for a record in a table
A foreign key that links to another table
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an entity-relationship diagram (ERD) used for in database design?
To store data
To visualize the structure of a database, including tables and relationships between them
To create SQL queries
To define primary keys
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