Rackspace Oracle Database Administrator Interview Questions and Answers

Quantitative ability and logical ability

Q1. In which programming language you are good at?
Ans. 
I am proficient in Java and Python.
• Strong understanding of object-oriented programming concepts

• Experience with Java frameworks such as Spring and Hibernate

• Proficient in Python libraries such as NumPy and Pandas
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Q2. Write a program to print HCF of numbers as output
Ans. 
Program to print HCF of numbers as output
• Take input of two numbers from user

• Find the smaller number between the two

• Run a loop from 1 to the smaller number

• Check if both numbers are divisible by the current loop variable

• If yes, update the HCF variable

• Print the HCF as output
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Q1. Why should we hire you?
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Q1. What is Nested List with example
Ans. 
A nested list is a list that contains other lists as its elements.
• Nested lists can be created using square brackets and separating the elements with commas.

• Elements of a nested list can be accessed using indexing and slicing.

• Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

• Accessing element 5: my_list[1][1]
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Q2. What is queue , explain with example
Ans. 
A queue is a data structure that follows the First In First Out (FIFO) principle.
• Elements are added to the back of the queue and removed from the front.

• Example: A line of people waiting for a movie ticket.

• Operations: Enqueue (add element to back), Dequeue (remove element from front), Peek (view front element)
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