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 MySQL statement is used to delete data from a database? REMOVE
DELETE
EDIT
COLLAPSE

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2. ________________ 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

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

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4. Which is the default order of sort in ORDER BY clause? Not in Order by Default
Both Ascending and Descending
Descending
Ascending

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5. A systematic collection of data stored in a central location is known as? CSV
None of Them
Database
Excel

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

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7. Which of the following are types of synchronization? Both Asynchronous & Semisychronous
Asynchronous
None of them
Semisychronous

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

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

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

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