PA D426 WGU - Practice Assessment: Pre-Assessment in
Data Management
PRE-ASSESSMENT: DATA MANAGEMENT - FOUNDATIONS
Attempt #1
Status: Passed
1. Which requirement within large, complex databases ensures users have limited access to the
database?
YOUR CORRECT
ANSWER ANSWER
Recovery
Performance
Authorization
Confidentiality
2. Which design type specifies database requirements without regard to a specific database system?
YOUR CORRECT
ANSWER ANSWER
Physical design
Conceptual design
Logical design
Abstract design
3. What characterizes the rules of relational databases?
YOUR CORRECT
ANSWER ANSWER
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.
,4. Which event will result in an error code and error description when using MySQL Server?
YOUR CORRECT
ANSWER ANSWER
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
5. Which data type should be used to store whole integer values, such as age?
YOUR CORRECT
ANSWER ANSWER
NUM
VARCHAR
DATE
INT
6. Which text-based interface is included in the MySQL Server Download?
YOUR CORRECT
ANSWER ANSWER
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community
7. Which database system includes the World database during its installation?
YOUR CORRECT
ANSWER ANSWER
MySQL
MongoDB
Oracle
, ANSWER ANSWER
PostgreSQL
8. What is the standardized language of relational database systems?
YOUR CORRECT
ANSWER ANSWER
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language
9. Which SQL sublanguage is used to manage database access?
YOUR CORRECT
ANSWER ANSWER
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL)
10. Which SQL sublanguage is used to roll back database changes?
YOUR CORRECT
ANSWER ANSWER
Data Transaction Language (DTL)
Data Manipulation Language (DML)
Data Query Language (DQL)
Data Control Language (DCL)
11. Which format is used by the TIME data type in MySQL?
YOUR CORRECT
ANSWER ANSWER
YYYY-MM-DD
Data Management
PRE-ASSESSMENT: DATA MANAGEMENT - FOUNDATIONS
Attempt #1
Status: Passed
1. Which requirement within large, complex databases ensures users have limited access to the
database?
YOUR CORRECT
ANSWER ANSWER
Recovery
Performance
Authorization
Confidentiality
2. Which design type specifies database requirements without regard to a specific database system?
YOUR CORRECT
ANSWER ANSWER
Physical design
Conceptual design
Logical design
Abstract design
3. What characterizes the rules of relational databases?
YOUR CORRECT
ANSWER ANSWER
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.
,4. Which event will result in an error code and error description when using MySQL Server?
YOUR CORRECT
ANSWER ANSWER
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
5. Which data type should be used to store whole integer values, such as age?
YOUR CORRECT
ANSWER ANSWER
NUM
VARCHAR
DATE
INT
6. Which text-based interface is included in the MySQL Server Download?
YOUR CORRECT
ANSWER ANSWER
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community
7. Which database system includes the World database during its installation?
YOUR CORRECT
ANSWER ANSWER
MySQL
MongoDB
Oracle
, ANSWER ANSWER
PostgreSQL
8. What is the standardized language of relational database systems?
YOUR CORRECT
ANSWER ANSWER
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language
9. Which SQL sublanguage is used to manage database access?
YOUR CORRECT
ANSWER ANSWER
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL)
10. Which SQL sublanguage is used to roll back database changes?
YOUR CORRECT
ANSWER ANSWER
Data Transaction Language (DTL)
Data Manipulation Language (DML)
Data Query Language (DQL)
Data Control Language (DCL)
11. Which format is used by the TIME data type in MySQL?
YOUR CORRECT
ANSWER ANSWER
YYYY-MM-DD
