2026-2027) REAL QUESTIONS AND
VERIFIED ANSWERS 100% CORRECT
ALREADY {GRADE A} - DeVry University
What is the result of a relational operation? - correct answer Table
Which two rules apply to primary keys? - correct answer Values must be unique and
may not be NULL
Which statement is not a special case of foreign keys? - correct answer Foreign key
referring to a foreign key in the same table
What design consideration would apply to a database that has special performance
requirements? - correct answer Structuring data properly on storage media.
Which database role focuses on database storage, response times, and optimization?
- correct answer Designer
The _____ SQL statement does not alter any database data. - correct answer SELECT
Which option is found on the Schemas tab in MySQL Workbench? - correct answer A
list of available databases.
Which role focuses on creating software that interacts with a database? - correct
answer Programmer
, BIS245 FINAL REVIEW (LATEST UPDATE
2026-2027) REAL QUESTIONS AND
VERIFIED ANSWERS 100% CORRECT
ALREADY {GRADE A} - DeVry University
Which concept relates to software that reads and writes data in a database? - correct
answer Management system
What links a host programming language to a database system? - correct answer API
In the following ER diagram, what does 'AlbumTitle' represent? - correct answer a.)
Key
b.) Attribute
c.) Relationship
d.) entity
Attribute
When a user interacts with a database, they can use a _____ to modify data with
commands. - correct answer query language
The analysis phase of database design includes which process? - correct answer
Specifying requirements that are not dependent on a specific database system.
Which type of database system is optimized for big data? - correct answer NoSQL
, BIS245 FINAL REVIEW (LATEST UPDATE
2026-2027) REAL QUESTIONS AND
VERIFIED ANSWERS 100% CORRECT
ALREADY {GRADE A} - DeVry University
A database _____ is the implementation of database requirements in SQL with CREATE
TABLE statements. - correct answer schema
When using the MySQL Command-Line Client, which character ends a command? -
correct answer ;
A database management system reads and writes data in a database, and _____. -
correct answer ensures consistency and availability
A database administrator uses which two SQL statements to view and then modify
existing customer balances with a late fee? - correct answer SELECT, UPDATE
A user creates a table by using a SQL statement. The data type VARCHAR(11) is part of
the statement. What does the value of (11) represent? - correct answer The number of
characters allowed for the data type.
Evaluate the given data and determine the correct result from the statement.
SELECT SUM(cost) + SUM(markup) FROM profit;
Table: