Reliance Smart Intern Interview Questions and Answers

Q1. Tell me something about your self
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Q2. Tell me something about qualification and family details
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Two coding questions and aptitude questions

Q1. 1.Normalization and types of normalization?
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and dependency.
• Normalization helps in improving data consistency and accuracy.

• Types of normalization include 1NF, 2NF, 3NF, BCNF, 4NF, and 5NF.

• 1NF ensures that each column in a table contains atomic values.

• 2NF eliminates partial dependencies by creating separate tables for related data.

• 3NF eliminates transitive dependencies by creating s...read more
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Q2. 2.SQL queries on grouping and sub queries
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Q3. 3.Coding question was asked:Move all positives to one side of list and negative to other side.
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Q4. 4.Difference between tuple and list What should we use instead of dictionary when the key have multiple values?
Ans. 
Tuples are immutable and ordered while lists are mutable and unordered. Use a defaultdict instead of a dictionary when the key has multiple values.
• Tuples are defined with parentheses while lists are defined with square brackets.

• Tuples cannot be modified once created while lists can be modified.

• A defaultdict is a subclass of dictionary that provides a default value for a nonexistent key.

• Example: defaultdict(list) can be...read more
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Aptitude questions, core questions and coding problems

Q1. Write an algorithm to return the maximum element in an array
Ans. 
Algorithm to find the maximum element in an array of strings
• Iterate through the array and compare each element to find the maximum

• Initialize a variable to store the maximum element and update it as needed

• Return the maximum element at the end of the iteration
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Assignment on internship project

Q1. Why join Tata Trent
Ans. 
Tata Trent offers a dynamic work environment with opportunities for growth and learning.
• Tata Trent is a well-established company with a strong reputation in the retail industry.

• The company values innovation and creativity, providing employees with a platform to showcase their talents.

• There are ample opportunities for career advancement and skill development within the organization.
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Q2. Why join retail sector
Ans. 
Joining the retail sector offers opportunities for growth, customer interaction, and learning about various products and services.
• Opportunity for career growth and advancement

• Interacting with diverse customers and building relationships

• Learning about different products and services

• Experiencing fast-paced and dynamic work environment
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Q1. Tell about your self
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Q2. What about Salary
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3 Coding questions none from leetcode or any standard question, all competitive programming questions

Q1. Given n-nary tree, find the number of pairs of nodes such that neither of the nodes in the formed pair are each others ancestors.
Ans. 
Count the number of pairs of nodes in an n-nary tree where neither node is the ancestor of the other.
• Traverse the tree and for each node, find the number of descendants in its subtree.

• For each node, the total pairs excluding its descendants will be the product of the number of descendants in its subtree.

• Sum up the total pairs for all nodes in the tree to get the final count.
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Q1. Self introduction
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Q1. Based on resume skills
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Q2. Based on project done
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