WGU D426 Data Management – Foundations 2023–2025 UPDATED | Objective Assessment | Database Concepts + Actual Questions | PASS FAST | Full Test bank

WGU D426 Data Management –
Foundations 2023–2025 UPDATED |
Objective Assessment | Database
Concepts + Actual Questions
| PASS FAST | Full Test bank

Question:
Data
Answer:
Numeric, textual, visual, or audio information that describes real-world systems. It
is collected and processed to aid in a variety of tasks.


Question:
Analog Data
Answer:
Most common before computers. Audio was recorded as vibrations impressed on
vinyl disks.


Question:
Digital Data
Answer:
Most common today. Encoded as 0s and 1s on electronic magnetic data.

,Question:
Database
Answer:
A collection of data in structured format. In principle, can be stored on paper or
even clay tablets.


Question:
Database System (DBMS)
Answer:
Software that reads and writes in a database.


Question:
Query
Answer:
A request to retrieve or change data in a database. Typically inserts new data,
retrieves data, updates, data, or deletes data from a database.


Question:
Query Language
Answer:
Specialized programming language designed specifically for database systems.
Reads and writes data efficiently.


Question:
Database Application

,Answer:
Software that HELPS business users interact with database systems.


Question:
Database Administrator
What role am I?
Answer:
Responsible for securing the database system against unauthorized users. They
enforce procedures for user access and database system availability.


Question:
Database Designer
What role am I?
Answer:
Determines the format of each data element AND the overall database
STRUCTURE. Must balance priorities like including storage, response time, and
support for rules that govern the data.


Question:
Database Programmer
What role am I?
Answer:
Develop programs that utilize a database and write applications that combine
query languages and general purpose programming language.


Question:
Database User
What role am I?

, Answer:
A consumer of data in a database. They request, update, or use stored data to
generate reports or information.


Question:
Transaction
Answer:
A group of queries that MUST be completed or rejected as a whole.


Question:
Architecture
Answer:
Describes the internal components AND the relationships between components.


Question:
Query Processor
Answer:
Interprets queries, creates a plan to modify the database or retrieve the data, and
returns query results to the application. Performs query optimization.


Question:
Query Optimization
Answer:
Ensures efficient instructions are executed on the data from the Query Processor.


Question:
Storage Manager