WGU D427 Practice Questions and the
only 100% accurate solutions
What is a datbase? - answer ✔✔-A structured collection of data
Storage engine - answer ✔✔-Which component is responsible for executing instructions from
the query processor?
Between an inclusive range of two values - answer ✔✔-The BETWEEN operator checks if a value
is:
Binary - answer ✔✔-Which relationship involves a salesperson and products they sell?
No exact numerical limit but more than one - answer ✔✔-What does the 'many' in a 1-M
relationship imply?
Four - answer ✔✔-MySQL architecture is organized into how many layers?
A relationship where an entity is related to itself - answer ✔✔-In a unary relationship, what kind
of relationship is described?
The minimum number of entity occurrences that can be involved in a relationship - answer ✔✔-
What does modality represent in an ER Diagram?
, Main memory (RAM) - answer ✔✔-Which storage media has the fastest access time?
Stores data in an unstructured format - answer ✔✔-Which of the following is NOT a
characteristic of a database system?
DROP TABLE - answer ✔✔-Which SQL command is used to delete a table?
Both database administrators and users - answer ✔✔-MySQL Workbench is designed for:
Managing database security and access - answer ✔✔-What is a primary function of a Database
Management System (DBMS)?
An entity that is used to represent a many-to-many relationship with attributes - answer ✔✔-
What is an associative entity?
Check if a value matches any value in a list - answer ✔✔-The IN operator is used in a WHERE
clause to:
Create, Read, Update, Delete - answer ✔✔-What does CRUD stand for in the context of
database operations?
A person, place, product, concept, or activity - answer ✔✔-What is an entity in an ER model?
An attribute that identifies each entity instance uniquely - answer ✔✔-What does a unique
attribute signify in ER modeling?
An attribute that can be divided into smaller parts, each representing a more basic attribute -
answer ✔✔-What is a composite attribute?
only 100% accurate solutions
What is a datbase? - answer ✔✔-A structured collection of data
Storage engine - answer ✔✔-Which component is responsible for executing instructions from
the query processor?
Between an inclusive range of two values - answer ✔✔-The BETWEEN operator checks if a value
is:
Binary - answer ✔✔-Which relationship involves a salesperson and products they sell?
No exact numerical limit but more than one - answer ✔✔-What does the 'many' in a 1-M
relationship imply?
Four - answer ✔✔-MySQL architecture is organized into how many layers?
A relationship where an entity is related to itself - answer ✔✔-In a unary relationship, what kind
of relationship is described?
The minimum number of entity occurrences that can be involved in a relationship - answer ✔✔-
What does modality represent in an ER Diagram?
, Main memory (RAM) - answer ✔✔-Which storage media has the fastest access time?
Stores data in an unstructured format - answer ✔✔-Which of the following is NOT a
characteristic of a database system?
DROP TABLE - answer ✔✔-Which SQL command is used to delete a table?
Both database administrators and users - answer ✔✔-MySQL Workbench is designed for:
Managing database security and access - answer ✔✔-What is a primary function of a Database
Management System (DBMS)?
An entity that is used to represent a many-to-many relationship with attributes - answer ✔✔-
What is an associative entity?
Check if a value matches any value in a list - answer ✔✔-The IN operator is used in a WHERE
clause to:
Create, Read, Update, Delete - answer ✔✔-What does CRUD stand for in the context of
database operations?
A person, place, product, concept, or activity - answer ✔✔-What is an entity in an ER model?
An attribute that identifies each entity instance uniquely - answer ✔✔-What does a unique
attribute signify in ER modeling?
An attribute that can be divided into smaller parts, each representing a more basic attribute -
answer ✔✔-What is a composite attribute?
