The overall design of a database is called?

The level of data abstraction which describes how the data is actually stored is?

• [A] Physical level
• [B] Conceptual level
• [C] Storage Level
• [D] File level

The number of attributes in relation is called as its .....................

• [A] Cardinality
• [B] Degree
• [C] Tuple
• [D] Row

What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

• [A] ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);
• [B] ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);
• [C] ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);
• [D] None of the above is correct.

Which of the following is true concerning Web services standards?

• [A] Led by only one group.
• [B] Helped by cooperation between companies.
• [C] Not necessary at this time.
• [D] Important so that the web can flourish.

DFD stands for

• [A] Data flow diagram
• [B] data field diagram
• [C] distribute flow diagram
• [D] disk flow diagram