WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM
ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED
ANSWERS) |ALREADY GRADED A+
1. Which requirement within large, complex databases ensures users have limited
access to the database?
A. Recovery
B. Performance
C. Authorization
D. Confidentiality
Answer: C. Authorization
2. 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
Answer: B. Conceptual design
3. 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.
Answer: A. 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?
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
Answer: C. When an SQL statement is syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
A. NUM
B. VARCHAR
C. DATE
D. INT
Answer: D. INT
6. 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
Answer: A. MySQL Command-Line Client
7. Which database system includes the World database during its installation?
A. MySQL
B. MongoDB
C. Oracle
D. PostgreSQL
Answer: A. MySQL
8. 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
Answer: B. Structured Query Language
9. Which SQL sublanguage is used to manage database access?
A. Data Definition Language (DDL)
B. Data Query Language (DQL)
C. Data Manipulation Language (DML)
ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED
ANSWERS) |ALREADY GRADED A+
1. Which requirement within large, complex databases ensures users have limited
access to the database?
A. Recovery
B. Performance
C. Authorization
D. Confidentiality
Answer: C. Authorization
2. 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
Answer: B. Conceptual design
3. 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.
Answer: A. 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?
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
Answer: C. When an SQL statement is syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
A. NUM
B. VARCHAR
C. DATE
D. INT
Answer: D. INT
6. 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
Answer: A. MySQL Command-Line Client
7. Which database system includes the World database during its installation?
A. MySQL
B. MongoDB
C. Oracle
D. PostgreSQL
Answer: A. MySQL
8. 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
Answer: B. Structured Query Language
9. Which SQL sublanguage is used to manage database access?
A. Data Definition Language (DDL)
B. Data Query Language (DQL)
C. Data Manipulation Language (DML)
