WGU D426 DATA MANAGEMENT FOUNDATIONS
FINAL EXAM ANSWERED 2024 GRADED A+
Which requirement within large, complex databases ensures users have limited access to the
database?
a. Recovery
b. Performance
c. Authorization
d. Confidentiality-- correct answer --Authorization
Which design type specifies database requirements without regard to a specific database system?
a. Physical design
b. Conceptual design
c. Logical design
d. Abstract design-- correct answer --Conceptual design
What characterizes the rules of relational databases?
a. -They are logical constraints that ensure the data is valid.
b. -They are based on business policy and specific databases.
c. -They represent data volumes and rapidly changing data structures.
,d. -They embody the theoretical foundation of the SQL language.-- correct answer -- They are
logical constraints that ensure the data is valid.
Which event will result in an error code and error description when using MySQL Server?
a. When the server or updates are incorrectly installed
b. When an SQL statement is entered to locate errors in the database
c. When an SQL statement is syntactically incorrect
d. When a Mac OS shortcut code is used on a Windows OS-- correct answer --When an SQL
statement is syntactically incorrect
Which data type should be used to store whole integer values, such as
age?
a. NUM
b. VARCHAR
c. DATE
d. INT-- correct answer --INT
Which text-based interface is included in the MySQL Server Download?
a. MySQL Command-Line Client
b. MySQL Workbench
c. MySQL Enterprise
d. MySQL Community-- correct answer --MySQL Command-Line Client
Which database system includes the World database during its installa-
, tion?
a. MySQL
b. MongoDB
c. Oracle
d. PostgreSQL-- correct answer --MySQL
What is the standardized language of relational database systems?
a. Contextual Query Language
b. Structured Query Language
c. Select Query Language
d. Object Query Language-- correct answer --Structured Query Language
Which SQL sublanguage is used to manage database access?
a. Data Definition Language (DDL)
b. Data Query Language (DQL)
c. Data Manipulation Language (DML)
d. Data Control Language (DCL)-- correct answer --Data Control Language (DCL)
Which SQL sublanguage is used to roll back database changes?
a. Data Transaction Language (DTL)
b. Data Manipulation Language (DML)
c. Data Query Language (DQL)