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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. Hot data means:
Data which is not processed
Data being processed
Data not in use
Data in Database
View Answer
2. Which MySQL statement is used to delete data from a database?
REMOVE
DELETE
COLLAPSE
EDIT
View Answer
3. Which of the following command is used to get current date/time?
All of Them
select currenttime();
select curdate();
select curtime();
View Answer
4. A_________ attribute may itself contain two or more attributes, which represent basic attribute having independent meanings of their own.
multi-valued
Composite
Derived
Dependent
View Answer
5. A view is a __________ Table.
Real
Dynamic
Static
Virtual
View Answer
6. A__________ is used to group related files that together store a database object
MetaData
Filegroup
Data Sheet
Data file
View Answer
7. How much storage space does DATETIME require?
1 byte
4 bytes
2 bytes
8 bytes
View Answer
8. Which of the following are types of synchronization?
Semisychronous
None of them
Both Asynchronous & Semisychronous
Asynchronous
View Answer
9. Which of the following function returns the number of unique values in a column?
sUM()
COUNT(DISTINCT)
COUNT(expression)
COUNT(*)
View Answer
10. ________________ 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
View Answer