WGU D426: OBJECTIVE ASSESSMENT EXAM LATEST
2026 WITH ACTUAL QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
To simplify the use of SQL with a general-purpose language, database programs
typically use an ____________ _____________ _______________. - CORRECT
ANSWER ✔✔ - Application Programming Interface (API)
A text interface included in the MySQL Server download. - CORRECT ANSWER ✔✔
- MySQL Command-Line Client
'World' database, a database that is usually installed with ______. - CORRECT
ANSWER ✔✔ - MySQL
MySQL Server returns an _____ ____ and description when an SQL statement is
syntactically incorrect or the database cannot execute the statement. - CORRECT
ANSWER ✔✔ - Error Code
Data structures that prescribe how data is organized.
Operations that manipulate data structures.
Rules that govern valid data. - CORRECT ANSWER ✔✔ - Database Model
An ORDERED collection of elements enclosed in parentheses. - CORRECT ANSWER
✔✔ - Tuple
1
,A _____ has a name, a fixed tuple of columns, and a varying set of rows. -
CORRECT ANSWER ✔✔ - Table
A ______ has a name and a data type. - CORRECT ANSWER ✔✔ - Column
Is an unnamed tuple of values. Each value corresponds to a column and belongs
to the column's data type. - CORRECT ANSWER ✔✔ - Row
A ____ _____ is a named set of values, from which column values are drawn. -
CORRECT ANSWER ✔✔ - Data Type
Software that helps business users interact with database systems. - CORRECT
ANSWER ✔✔ - Database Application
Responsible for securing the database system against unauthorized users. A
database administrator enforces procedures for user access and database system
availability. - CORRECT ANSWER ✔✔ - Database Administrator
Many database users should have limited access to specific tables, columns, or
rows of a database. Database systems authorize individual users to access specific
data. - CORRECT ANSWER ✔✔ - Authorization
Database systems ensure data is consistent with structural and business rules. -
CORRECT ANSWER ✔✔ - Rules
2
, Interprets queries, creates a plan to modify the database or retrieve data, and
returns query results to the application. Performs query optimization to ensure
the most efficient instructions are executed on the data. - CORRECT ANSWER ✔✔
- Query Processor
Translates the query processor instructions into low-level file-system commands
that modify or retrieve data. Database sizes range from megabytes to many
terabytes, so the storage manager uses indexes to quickly locate data. - CORRECT
ANSWER ✔✔ - Storage Manager
Ensures transactions are properly executed. The transaction manager prevents
conflicts between concurrent transactions. The transaction manager also restores
the database to a consistent state in the event of a transaction or system failure. -
CORRECT ANSWER ✔✔ - Transaction Manager
Data about the database, such as column names and the number of rows in each
table. - CORRECT ANSWER ✔✔ - Metadata
Stores data in tables, columns, and rows, similar to a spreadsheet. - CORRECT
ANSWER ✔✔ - Relational Database
All _________ ________ systems support the SQL query language. - CORRECT
ANSWER ✔✔ - Relational Database
Relational systems are ideal for databases that require an accurate record of
every transaction, such as banking, airline reservation systems, and student
records. - CORRECT ANSWER ✔✔ - Relational Database
3
2026 WITH ACTUAL QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
To simplify the use of SQL with a general-purpose language, database programs
typically use an ____________ _____________ _______________. - CORRECT
ANSWER ✔✔ - Application Programming Interface (API)
A text interface included in the MySQL Server download. - CORRECT ANSWER ✔✔
- MySQL Command-Line Client
'World' database, a database that is usually installed with ______. - CORRECT
ANSWER ✔✔ - MySQL
MySQL Server returns an _____ ____ and description when an SQL statement is
syntactically incorrect or the database cannot execute the statement. - CORRECT
ANSWER ✔✔ - Error Code
Data structures that prescribe how data is organized.
Operations that manipulate data structures.
Rules that govern valid data. - CORRECT ANSWER ✔✔ - Database Model
An ORDERED collection of elements enclosed in parentheses. - CORRECT ANSWER
✔✔ - Tuple
1
,A _____ has a name, a fixed tuple of columns, and a varying set of rows. -
CORRECT ANSWER ✔✔ - Table
A ______ has a name and a data type. - CORRECT ANSWER ✔✔ - Column
Is an unnamed tuple of values. Each value corresponds to a column and belongs
to the column's data type. - CORRECT ANSWER ✔✔ - Row
A ____ _____ is a named set of values, from which column values are drawn. -
CORRECT ANSWER ✔✔ - Data Type
Software that helps business users interact with database systems. - CORRECT
ANSWER ✔✔ - Database Application
Responsible for securing the database system against unauthorized users. A
database administrator enforces procedures for user access and database system
availability. - CORRECT ANSWER ✔✔ - Database Administrator
Many database users should have limited access to specific tables, columns, or
rows of a database. Database systems authorize individual users to access specific
data. - CORRECT ANSWER ✔✔ - Authorization
Database systems ensure data is consistent with structural and business rules. -
CORRECT ANSWER ✔✔ - Rules
2
, Interprets queries, creates a plan to modify the database or retrieve data, and
returns query results to the application. Performs query optimization to ensure
the most efficient instructions are executed on the data. - CORRECT ANSWER ✔✔
- Query Processor
Translates the query processor instructions into low-level file-system commands
that modify or retrieve data. Database sizes range from megabytes to many
terabytes, so the storage manager uses indexes to quickly locate data. - CORRECT
ANSWER ✔✔ - Storage Manager
Ensures transactions are properly executed. The transaction manager prevents
conflicts between concurrent transactions. The transaction manager also restores
the database to a consistent state in the event of a transaction or system failure. -
CORRECT ANSWER ✔✔ - Transaction Manager
Data about the database, such as column names and the number of rows in each
table. - CORRECT ANSWER ✔✔ - Metadata
Stores data in tables, columns, and rows, similar to a spreadsheet. - CORRECT
ANSWER ✔✔ - Relational Database
All _________ ________ systems support the SQL query language. - CORRECT
ANSWER ✔✔ - Relational Database
Relational systems are ideal for databases that require an accurate record of
every transaction, such as banking, airline reservation systems, and student
records. - CORRECT ANSWER ✔✔ - Relational Database
3
