MAQ Software Interview Questions, Process, and Tips

There were 30 questions on the aptitude test, all of which were part of the total count.

I have three questions: two related to data structures and algorithms, and one concerning SQL.

Q1. Got two questions DSA medium and Easy one
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1st round of the company was an online assessment with 40 questions,2 coding questions :- cake distribution problem, Palindrome and else there were 6-7 SQL questions and other were Aptitude questions (basic) whole test was for 1 hr.

Q1. Basic oops, basic questions on loops etc
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Q2. SQL:- add a column on a table, find max salary of employee
Ans. 
Use ALTER TABLE to add a new column and then use MAX function to find the highest salary.
• Use ALTER TABLE statement to add a new column to the table.

• Use MAX function in SQL to find the maximum salary of employees.
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Q3. SUM OF DIGITS OF A NUMBER(DSA)
Ans. 
Calculate the sum of digits of a given number.
• Iterate through each digit of the number and add them together.

• Use modulo operator to extract each digit.

• Repeat until all digits are processed.

• Example: For number 123, sum of digits = 1 + 2 + 3 = 6.
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General on Online editors

Q1. Find the first occurrence of an element in an rotated array.
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Pattern question based on Alphabets

Array questions - rearranging letters for encryption

Q1. Introduce yourself and your experience in college.
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Q2. Database and sql related questions
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Q1. What is Kadane's algorithm, and how can it be used to print the subarray with the maximum sum?
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Q1. Index in sql theoretical
Ans. 
Indexes in SQL are used to improve the performance of queries by allowing the database to quickly retrieve data.
• Indexes are created on columns in a table to speed up data retrieval.

• They work similar to an index in a book, allowing the database to quickly find the relevant data.

• Primary keys automatically have an index created on them.

• Indexes can be unique, meaning that each value in the indexed column must be unique.

• Exa...read more
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Q2. Normalization and all its forms
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Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization is used to eliminate data redundancy by breaking up tables into smaller, related tables.

• There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF, each with specific rules to follow.

• Normalization helps in reducing data anomalies and ensures data integrity.

• Example: Breaking up a custome...read more
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