Teradata Software Engineering Specialist Interview Questions and Answers

Q1. SOLID Principles
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Q1. Rate Limiter with possible test cases
Ans. 
Rate limiter is a mechanism to control the rate of requests sent to a server
• Implement a sliding window algorithm to track the number of requests within a specific time frame

• Set a limit on the number of requests allowed per unit of time

• Return an error response when the limit is exceeded

• Test cases: 1. Send requests below the limit - should be successful. 2. Send requests above the limit - should receive an error response
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Q1. Rank teams based on some criteria
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Q1. Job scheduler system design round
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Q1. Oops SQL database cloud java
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Q2. What is jQuery and django
Ans. 
jQuery is a JavaScript library for DOM manipulation and event handling. Django is a Python web framework for building web applications.
• jQuery simplifies HTML document traversing, event handling, and animating.

• Django follows the Model-View-Template (MVT) architectural pattern.

• Both are open-source and widely used in web development.

• jQuery can be used with any web framework, while Django has its own ORM and templating eng
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Hiring assessment of total 75 minutes

Q1. Some os related questions
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Q2. Some basic networking questions
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Q1. Minimum number of platforms required for a railway station.
Ans. 
Minimum 2 platforms required for a railway station.
• At least 2 platforms are required for trains to arrive and depart simultaneously.

• Additional platforms may be required based on the frequency of trains and passenger traffic.

• Platforms should be long enough to accommodate the longest trains that will use the station.

• Platforms should also have appropriate facilities for passengers, such as seating, shelter, and signage.
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Q2. Set of numbers from an array that can form nearest sum to the given number
Ans. 
Find set of numbers from an array that can form nearest sum to the given number.
• Sort the array in ascending order

• Use two pointers approach to find the nearest sum

• Return the set of numbers
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Q1. Trapping Rain water problem
Ans. 
Trapping Rain Water Problem
• The problem involves calculating the amount of water trapped between bars in a histogram

• The solution involves finding the maximum height of bars on both sides of each bar and subtracting the height of the bar itself

• This can be done using two arrays to store the maximum height of bars on the left and right side of each bar
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Q2. Least cost to travel from source to destination(DP problem)
Ans. 
The problem is to find the least cost to travel from source to destination using dynamic programming.
• Use dynamic programming to solve the problem

• Create a 2D array to store the minimum cost to reach each cell

• Fill the array using the recurrence relation: minCost[i][j] = cost[i][j] + min(minCost[i-1][j], minCost[i][j-1], minCost[i-1][j-1])

• The final answer will be stored in minCost[m][n], where m and n are the coordinates ...read more
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Q1. Interfaces, diamond problem, abstraction, OOPs concepts, inheritance, abstract classes, Race condition, Normalization
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Q2. Arrays coding question and a DP problem in mid to high level of difficulty.
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Q3. System design question
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Q1. DP problems (mid - high difficulty)
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Q1. Level order traversal of Binary tree
Ans. 
Level order traversal of Binary tree
• Use a queue to traverse the tree level by level

• Enqueue the root node and then dequeue it and enqueue its children

• Repeat until the queue is empty
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Analytical ability and computer basics

Couple of simple string programs

Q1. Problem solving skills with use cases and past experience discussion
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Q2. How would you manage if new project is awarded and no additional resources
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Q1. Why Adobe, where else you applied etc
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