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 uniquely identify a Tuple
Used to identify a column

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

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

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4. A view is nothing but a ________ table. Dynamic
Virtual
Real
Static

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

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

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7. ________________ 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 optimization
Scalability
CPU Utilization
Performance

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

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9. Which of the following command is used to select a particular database? Show
USE
Display
Select

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

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