Quantiphi Analytics Solutions Private Limited Applications Engineer Interview Questions and Answers

Q1. Select from employees tables all those who don't work in any department.
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Q2. What is a cursor and write a query
Ans. 
A cursor is a database object used to retrieve data from a result set one row at a time.
• A cursor is used to iterate through a result set.

• It can be used to update or delete rows in a table.

• Example query: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;

• Example usage: OPEN cursor_name; FETCH NEXT FROM cursor_name INTO @variable1, @variable2;

• Example usage: CLOSE cursor_name; DEALLOCATE cursor_name;
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Q3. How early you can join
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Q1. Tell me about your self
Ans. 
I am a highly motivated Applications Engineer with a strong background in software development and problem-solving skills.
• Experienced in developing and implementing software applications

• Skilled in troubleshooting and resolving technical issues

• Strong communication and teamwork abilities

• Proficient in programming languages such as Java, C++, and Python
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Normal basic apti question

Q1. Tell me about your self
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General aptitude questions

Q1. What are the different datatypes in python?
Ans. 
Python has various datatypes including int, float, str, list, tuple, dict, set, bool.
• int: whole numbers (e.g. 5)

• float: decimal numbers (e.g. 3.14)

• str: text (e.g. 'hello')

• list: ordered collection (e.g. [1, 2, 3])

• tuple: ordered, immutable collection (e.g. (1, 2, 3))

• dict: key-value pairs (e.g. {'key': 'value'})

• set: unordered collection of unique elements (e.g. {1, 2, 3})

• bool: True or False values
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Q2. What is set and frozen set
Ans. 
A set is a collection of unique elements with no specific order, while a frozen set is an immutable set that cannot be changed.
• A set does not allow duplicate elements

• A frozen set is created using the frozenset() function

• Sets are mutable and can be modified, while frozen sets are immutable

• Example: set1 = {1, 2, 3} ; frozenset1 = frozenset(set1)
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Q3. What is a hyperlink in HTML

Ans. 

A hyperlink in HTML is a clickable text or image that redirects the user to another webpage or resource.

• Hyperlinks are created using the tag in HTML.

• The 'href' attribute in the tag specifies the URL of the page the link goes to.

• Example: Click here

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