3/17/25, 3:58 PM WGU - D426: OBJECTIVE ASSESSMENT / REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARA…
WGU - D426: OBJECTIVE ASSESSMENT / REAL
ACTUAL EXAM STUDY GUIDE | ACCURATE
EXPERT VERIFIED FOR GUARANTEED PASS |
LATEST UPDATE
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Terms in this set (151)
Software that helps business users interact with
Database Application
database systems.
Responsible for securing the database system against
unauthorized users. A database administrator enforces
Database Administrator
procedures for user access and database system
availability.
https://quizlet.com/1019182643/wgu-d426-objective-assessment-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-up… 1/11
, 3/17/25, 3:58 PM WGU - D426: OBJECTIVE ASSESSMENT / REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARA…
Many database users should have limited access to
specific tables, columns, or rows of a database.
Authorization
Database systems authorize individual users to access
specific data.
Database systems ensure data is consistent with
Rules
structural and business rules.
Interprets queries, creates a plan to modify the
database or retrieve data, and returns query results to
Query Processor the application. Performs query optimization to
ensure the most efficient instructions are executed on
the data.
Translates the query processor instructions into low-
level file-system commands that modify or retrieve
Storage Manager data. Database sizes range from megabytes to many
terabytes, so the storage manager uses indexes to
quickly locate data.
Ensures transactions are properly executed. The
transaction manager prevents conflicts between
Transaction Manager concurrent transactions. The transaction manager also
restores the database to a consistent state in the
event of a transaction or system failure.
Data about the database, such as column names and
Metadata
the number of rows in each table.
Stores data in tables, columns, and rows, similar to a
Relational Database
spreadsheet.
All _________ ________ systems support the SQL query
Relational Database
language.
Relational systems are ideal for databases that require
an accurate record of every transaction, such as
Relational Database
banking, airline reservation systems, and student
records.
The newer non-relational systems are called NoSQL,
MongoDB (NoSQL)
for 'not only SQL', and are optimized for big data.
https://quizlet.com/1019182643/wgu-d426-objective-assessment-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-up… 2/11
WGU - D426: OBJECTIVE ASSESSMENT / REAL
ACTUAL EXAM STUDY GUIDE | ACCURATE
EXPERT VERIFIED FOR GUARANTEED PASS |
LATEST UPDATE
Save
Practice questions for this set
Learn
Studied 7 terms
Nice work, you're crushing it
Continue studying in Learn
Terms in this set (151)
Software that helps business users interact with
Database Application
database systems.
Responsible for securing the database system against
unauthorized users. A database administrator enforces
Database Administrator
procedures for user access and database system
availability.
https://quizlet.com/1019182643/wgu-d426-objective-assessment-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-up… 1/11
, 3/17/25, 3:58 PM WGU - D426: OBJECTIVE ASSESSMENT / REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARA…
Many database users should have limited access to
specific tables, columns, or rows of a database.
Authorization
Database systems authorize individual users to access
specific data.
Database systems ensure data is consistent with
Rules
structural and business rules.
Interprets queries, creates a plan to modify the
database or retrieve data, and returns query results to
Query Processor the application. Performs query optimization to
ensure the most efficient instructions are executed on
the data.
Translates the query processor instructions into low-
level file-system commands that modify or retrieve
Storage Manager data. Database sizes range from megabytes to many
terabytes, so the storage manager uses indexes to
quickly locate data.
Ensures transactions are properly executed. The
transaction manager prevents conflicts between
Transaction Manager concurrent transactions. The transaction manager also
restores the database to a consistent state in the
event of a transaction or system failure.
Data about the database, such as column names and
Metadata
the number of rows in each table.
Stores data in tables, columns, and rows, similar to a
Relational Database
spreadsheet.
All _________ ________ systems support the SQL query
Relational Database
language.
Relational systems are ideal for databases that require
an accurate record of every transaction, such as
Relational Database
banking, airline reservation systems, and student
records.
The newer non-relational systems are called NoSQL,
MongoDB (NoSQL)
for 'not only SQL', and are optimized for big data.
https://quizlet.com/1019182643/wgu-d426-objective-assessment-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-up… 2/11
