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PMEA Solar Tech Solutions Interview Questions and Answers
You are given an n-ary tree consisting of ‘N’ nodes. Your task is to return the maximum sum of the path from the root to the leaf node.
For example:
For the given tree: 
The path 1 -> 3 -> 7 pr...read moreYou have been given an array/list ARR consisting of ‘N’ elements. Each element in the array is either 0, 1 or 2.
Now, your task is to sort this array/list in increasing order. For ...read more
Create a online food ordering system with various features:
Restaurants can only serve one specialized dish.
Restaurants can serve in multiple areas.
At a time, users can order from one resta...read more
design bookmyshow to book movie tickets
Q5. Design a 2/3rd Winning game.
Design a 2/3rd Winning game.
The game should have a clear win condition
The win condition should be achievable in 2/3rd of the total game time
The game should have a balanced difficulty level
The game should have a clear feedback system for the player
Examples: Chess, Tic Tac Toe, Connect Four
Q6. NoSQL vs SQL difference
NoSQL is non-relational and schema-less while SQL is relational and has a fixed schema.
NoSQL databases are horizontally scalable and can handle large amounts of unstructured data.
SQL databases are vertically scalable and are better suited for structured data with complex relationships.
NoSQL databases are often used in web applications, while SQL databases are commonly used in enterprise applications.
Examples of NoSQL databases include MongoDB, Cassandra, and Redis. Examples o...read more
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