Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. What is a candidate key? Alias for foreign key
None of Them
Used to identify a column
Used to uniquely identify a Tuple

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2. A view is a __________ Table. Virtual
Static
Real
Dynamic

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3. How much storage space does DATETIME require? 8 bytes
1 byte
2 bytes
4 bytes

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4. What SQL clause is used to restrict the rows returned by a query? From
Having
And
Where

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5. ________________ is the capability of a system, network, or process to manage a growing amount of work, or its ability to enlarge so as to adapt to that growth Performance
Performance optimization
Scalability
CPU Utilization

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6. A_________ attribute may itself contain two or more attributes, which represent basic attribute having independent meanings of their own. Composite
Dependent
multi-valued
Derived

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7. A systematic collection of data stored in a central location is known as? CSV
None of Them
Excel
Database

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8. ______________ Command is used to remove rights or privileges from user accounts REVOKE
REMOVE
CANCEL
DELETE

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9. Hot data means: Data not in use
Data in Database
Data being processed
Data which is not processed

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10. Which is the default order of sort in ORDER BY clause? Both Ascending and Descending
Not in Order by Default
Ascending
Descending

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