WGU D426 Data Management Foundations Exam 60
Questions with Verified Answers
Which requirement within large, complex databases ensures users have limited
access to the database?
Recovery
Performance
Authorization
Confidentiality - CORRECT ANSWER Authorization
Which design type specifies database requirements without regard to a specific
database system?
Physical design
Conceptual design
Logical design
Abstract design - CORRECT ANSWER Conceptual design
3. What characterizes the rules of relational databases?
-They are logical constraints that ensure the data is valid.
-They are based on business policy and specific databases.
-They represent data volumes and rapidly changing data structures.
-They embody the theoretical foundation of the SQL language. - CORRECT
ANSWER They are logical constraints that ensure the data is valid.
4. Which event will result in an error code and error description when using
MySQL Server?
When the server or updates are incorrectly installed
When an SQL statement is entered to locate errors in the database
When an SQL statement is syntactically incorrect
, When a Mac OS shortcut code is used on a Windows OS - CORRECT ANSWER
When an SQL statement is syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
NUM
VARCHAR
DATE
INT - CORRECT ANSWER INT
6. Which text-based interface is included in the MySQL Server Download?
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community - CORRECT ANSWER MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL - CORRECT ANSWER MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language - CORRECT ANSWER Structured Query Language
9. Which SQL sublanguage is used to manage database access?
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL) - CORRECT ANSWER Data Control Language (DCL)
Questions with Verified Answers
Which requirement within large, complex databases ensures users have limited
access to the database?
Recovery
Performance
Authorization
Confidentiality - CORRECT ANSWER Authorization
Which design type specifies database requirements without regard to a specific
database system?
Physical design
Conceptual design
Logical design
Abstract design - CORRECT ANSWER Conceptual design
3. What characterizes the rules of relational databases?
-They are logical constraints that ensure the data is valid.
-They are based on business policy and specific databases.
-They represent data volumes and rapidly changing data structures.
-They embody the theoretical foundation of the SQL language. - CORRECT
ANSWER They are logical constraints that ensure the data is valid.
4. Which event will result in an error code and error description when using
MySQL Server?
When the server or updates are incorrectly installed
When an SQL statement is entered to locate errors in the database
When an SQL statement is syntactically incorrect
, When a Mac OS shortcut code is used on a Windows OS - CORRECT ANSWER
When an SQL statement is syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
NUM
VARCHAR
DATE
INT - CORRECT ANSWER INT
6. Which text-based interface is included in the MySQL Server Download?
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community - CORRECT ANSWER MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL - CORRECT ANSWER MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language - CORRECT ANSWER Structured Query Language
9. Which SQL sublanguage is used to manage database access?
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL) - CORRECT ANSWER Data Control Language (DCL)
