Please note, when a question has checkboxes for the answer choices, more than
one answer may be selected. Please select all answers that apply to the question.
Nothing in the phrasing of the questions, or the appearance of the checkboxes, is
intended to imply a number of answers.
On multiple answer questions, the answer "None of the above” is meant to be
exclusive. Due to how multiple answer questions work on Canvas, it does not
prevent you from choosing other answers when you select this answer, so please
be sure to choose only this option if you feel that is the correct answer to the
question. If you choose other answers in addition to "None of the above", you will
lose points on the question and they will not be returned.
I understand that "None of the above" is meant to be exclusive.
I understand that multiple answer questions may have one or more answers.
4 point Multiple Choice
Three-Schema Database Architecture prescribes
(Note, "Schemata" is the plural of "Schema")
Web-Client-Server Schemata
External, Conceptual, and Internal schemata
5 point Multiple Answer
Physical Data Independence
Allows applications to be developed independently of which data model is used
Allows the DBA to change the way data is physically stored without requiring that
applications be rewritten
Allows applications to be developed independently of which application is needed
None of the above
6 point Multiple Answer
, Which of the following are true about the concepts of integrity and consistency?
Consistency guarantees that the database is free of internal conflicts
Integrity guarantees that the database is free of internal conflicts
Integrity guarantees that the database reflects the world it models
Consistency guarantees that the database reflects the world it models
None of the above
7 0. point Multiple Answer
A Surrogate key
Value cannot be changed by the user
Is a system-generated unique internal identifier
8 point Multiple Answer
A Database is a Model of
Processes of reality
Structures of reality
None of the above
Use this diagram to answer the question.
one answer may be selected. Please select all answers that apply to the question.
Nothing in the phrasing of the questions, or the appearance of the checkboxes, is
intended to imply a number of answers.
On multiple answer questions, the answer "None of the above” is meant to be
exclusive. Due to how multiple answer questions work on Canvas, it does not
prevent you from choosing other answers when you select this answer, so please
be sure to choose only this option if you feel that is the correct answer to the
question. If you choose other answers in addition to "None of the above", you will
lose points on the question and they will not be returned.
I understand that "None of the above" is meant to be exclusive.
I understand that multiple answer questions may have one or more answers.
4 point Multiple Choice
Three-Schema Database Architecture prescribes
(Note, "Schemata" is the plural of "Schema")
Web-Client-Server Schemata
External, Conceptual, and Internal schemata
5 point Multiple Answer
Physical Data Independence
Allows applications to be developed independently of which data model is used
Allows the DBA to change the way data is physically stored without requiring that
applications be rewritten
Allows applications to be developed independently of which application is needed
None of the above
6 point Multiple Answer
, Which of the following are true about the concepts of integrity and consistency?
Consistency guarantees that the database is free of internal conflicts
Integrity guarantees that the database is free of internal conflicts
Integrity guarantees that the database reflects the world it models
Consistency guarantees that the database reflects the world it models
None of the above
7 0. point Multiple Answer
A Surrogate key
Value cannot be changed by the user
Is a system-generated unique internal identifier
8 point Multiple Answer
A Database is a Model of
Processes of reality
Structures of reality
None of the above
Use this diagram to answer the question.
