3. 3. What characterizes the rules of relational databas- They are logi-
es? cal constraints that
ensure the data is
-They are logical constraints that ensure the data is valid.
valid.
-They are based on business policy and specific data-
bases.
-They represent data volumes and rapidly changing
data structures.
-They embody the theoretical foundation of the SQL
language.
4. 4. Which event will result in an error code and error When an SQL
description when using MySQL Server? statement is syn-
tactically incorrect
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. INT
, WGU Data Management - Foundations - D426
5. Which data type should be used to store whole
integer values, such as age?
NUM
VARCHAR
DATE
INT
6. 6. Which text-based interface is included in the MySQL MySQL Com-
Server Download? mand-Line Client
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community
7. 7. Which database system includes the World data- MySQL
base during its installation?
MySQL
MongoDB
Oracle
PostgreSQL
8. 8. What is the standardized language of relational Structured Query
database systems? Language
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language
9. 9. Which SQL sublanguage is used to manage data- Data Control Lan-
base access? guage (DCL)
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL)
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