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. Which of the following function returns the number of unique values in a column? COUNT(expression)
sUM()
COUNT(DISTINCT)
COUNT(*)

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

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

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

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5. which of the following commands is used view the default installed database? SHOW DATABASE
VIEW DATABASE
DISPLAY DATABASE
SELECT DATABASE

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6. Character? limit to create database name in mysql? 64
54
40
44

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7. A__________ is used to group related files that together store a database object Filegroup
MetaData
Data Sheet
Data file

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8. Which of the following command is used to get current date/time? select currenttime();
All of Them
select curdate();
select curtime();

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9. A good example of a distributed application is ____________. Computer application
Collaboration application
System application
Twitter

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

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