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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. A_________ attribute may itself contain two or more attributes, which represent basic attribute having independent meanings of their own.
Dependent
Composite
multi-valued
Derived
View Answer
2. Hot data means:
Data being processed
Data not in use
Data in Database
Data which is not processed
View Answer
3. Which of the following function returns the number of unique values in a column?
COUNT(expression)
COUNT(DISTINCT)
COUNT(*)
sUM()
View Answer
4. which of the following commands is used view the default installed database?
SHOW DATABASE
SELECT DATABASE
DISPLAY DATABASE
VIEW DATABASE
View Answer
5. Which is the default order of sort in ORDER BY clause?
Not in Order by Default
Descending
Both Ascending and Descending
Ascending
View Answer
6. Which of the following are types of synchronization?
Asynchronous
Semisychronous
Both Asynchronous & Semisychronous
None of them
View Answer
7. A good example of a distributed application is ____________.
Computer application
Collaboration application
Twitter
System application
View Answer
8. A view is nothing but a ________ table.
Virtual
Dynamic
Static
Real
View Answer
9. Character? limit to create database name in mysql?
44
54
64
40
View Answer
10. Which MySQL statement is used to delete data from a database?
REMOVE
EDIT
COLLAPSE
DELETE
View Answer