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WGU DATA MANAGEMENT -
FOUNDATIONS - D426 EXAM
QUESTIONS AND ANSWER S 100%
SOLVED
Question : Which requirement within large, complex
databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality
CORRECT ANSWER : Authorization
Question : 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
Question : 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
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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.
Question : 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
Question : Which data type should be used to store whole
integer values, such as age? NUM VARCHAR DATE INT
CORRECT ANSWER : INT
Question : Which text-based interface is included in the
MySQL Server Download? MySQL Command-Line
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Client MySQL Workbench MySQL Enterprise MySQL Community
CORRECT ANSWER : MySQL Command-Line Client
Question : Which database system includes the World
database during its installation? MySQL MongoDB Oracle PostgreSQL
CORRECT ANSWER : MySQL
Question : 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
Question : 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)
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Question : Which SQL sublanguage is used to roll back
database changes? Data Transaction Language (DTL) Data Manipulation Language (DML) Data Query Language (DQL) Data Control Language (DCL)
CORRECT ANSWER : Data Transaction Language
(DTL)
Question : Which format is used by the TIME data type in
MySQL? YYYY-MM-DD YYYY-MM-DD hh:mm:ss hh:mm:ss hh:mm:ss YYYY-MM-DD CORRECT ANSWER : hh:mm:ss
Question : Which MySQL operator is the last in the order
of operator precedence? - OR NOT =
CORRECT ANSWER : OR
Question : Which operator is used to compare columns
from the left and right tables in MySQL? <= + = *