NCO- Cyber Olympiad (SOF) Class 12: Questions 6 - 12 of 520
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Question 6
Question 7
Question
MCQ▾In SQL, the HAVING clause is used to ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | Refine the query and the tuples returned by the GROUP BY clause. | |
b. | Store the result of the query in a new table with the indicated name. | |
c. | Refine the query and tuples returned by the WHERE clause. | |
d. | Sort the tuples alphabetically. |
Question 8
Question 9
Question
MCQ▾Find the Prefix form of the following Infix expression.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 10
Question 11
Question
MCQ▾In Relational Database, ________ is known as a set of values of the same type for the given attribute.
Choices
Choice (4) | Response | |
---|---|---|
a. | Structure | |
b. | Degree of Relations | |
c. | Domain | |
d. | Cardinality |
Question 12
Question
MCQ▾Identify the following.
- These are character printers that form characters and images by spraying small drops of ink on a paper.
- They are non-impact printers because they print by spraying ink on paper.
- They are both monochrome and colour.
Choices
Choice (4) | Response | |
---|---|---|
a. | Chain Printers | |
b. | Dot Matrix Printers | |
c. | Laser Printers | |
d. | Inkjet Printers |