Code Practice

Programming Problems &Code Solutions

Practice array, string, SQL, and two-pointer problems with code solutions and explanations. Choose a topic and work through the examples at your own pace.

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TCS NQT Coding Questions with Solutions

TCS NQTMixed

1. Write a program to check if a number is a palindrome. 2. Write a program to find the second largest number in an array. 3. Write a program to reverse a string.

10 questions

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These collections bring related programming exercises together so you can compare approaches and see how a pattern applies to different inputs.

What you'll find: Problem statements, sample inputs and outputs, and code examples. Available languages and solution details depend on the collection.

How to use it: Choose a collection, attempt each problem, then compare your reasoning with the solution. Check edge cases and complexity before moving to the next problem.

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Top 30 String Based Coding Interview Questions

30+ SQL Interview Questions - DBMS Preparation

DBMSMixed

1. Write a query to select all employees ordered by last_name in ascending order. 2. Write a query to find the 3rd highest salary without using LIMIT or TOP. 3. Write a query to find duplicate email IDs in the Employee table.

10 questions

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