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Test Your Programming Skills with Safcode!
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"
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
View Answer
2. How much storage space does DATETIME require?
4 bytes
1 byte
8 bytes
2 bytes
View Answer
3. A good example of a distributed application is ____________.
System application
Computer application
Twitter
Collaboration application
View Answer
4. A view is nothing but a ________ table.
Dynamic
Virtual
Real
Static
View Answer
5. which of the following commands is used view the default installed database?
DISPLAY DATABASE
VIEW DATABASE
SELECT DATABASE
SHOW DATABASE
View Answer
6. Hot data means:
Data which is not processed
Data being processed
Data not in use
Data in Database
View Answer
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
View Answer
8. Character? limit to create database name in mysql?
64
54
40
44
View Answer
9. Which of the following command is used to select a particular database?
Show
USE
Display
Select
View Answer
10. Which of the following command is used to get current date/time?
select curtime();
select curdate();
All of Them
select currenttime();
View Answer