Exam (elaborations)
D426 Pre Assessments (1
D426 Pre Assessments (1
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D426 Pre AssessmentsWhich requirement within large, complex databases ensures users have limited
access to the database?
Recovery
Performance
✅✅-Authorization
Authorization
Confidentiality -
Which design type specifies database requirements without regard to a specific
database system?
Physical design
Conceptual design
✅✅-Conceptual design
Logical design
Abstract design -
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 are
They represent data volumes and rapidly changing data structures.
They embody the theoretical foundation of the SQL language. -
logical constraints that ensure the data is valid.
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 - -When an SQL
statement is syntactically incorrect
Which data type should be used to store whole integer values, such as age?
NUM
VARCHAR
✅✅
DATE
INT - -INT
Which text-based interface is included in the MySQL Server Download?
, MySQL Command-Line Client
MySQL Workbench
✅✅
MySQL Enterprise
MySQL Community - -MySQL Command-Line Client
Which database system includes the World database during its installation?
MySQL
MongoDB
✅✅-MySQL
Oracle
PostgreSQL -
What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
✅✅-Structured Query Language
Select Query Language
Object Query Language -
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) - -Data Control Language (DCL)
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) - -Data Transaction Language (DTL)
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
hh:mm:ss YYYY-MM-DD -
Which MySQL operator is the last in the order of operator precedence?
-
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