RealPage Software Quality Assurance Engineer 2 Interview Questions and Answers

Basic DSA questions related to string and hashmap

Q1. Return true if the sentence use all the vowels else false
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Q2. When to use BFS, DFS and basic DSA questions?
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Q1. It was 1 hr technical round for iOS Developer role. Questions related to project I am working, iOS Development questions like (process of publishing app, push notifications and its uses, Delegates how to u...read more
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Q1. It was 30 min managerial round with one of the technical manager of MRI. Asked technical questions based on my projects. And then tricky questions like why you want to join, why we should hire you, where d...read more
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There were many questions to be solved within an hour, but the expectation was to solve maximum you can.

1 DSA based and 2 SQL coding questions with 5/6 DSA based MCQs

Q1. Write a python code to find missing element ranging from 0 to 100. Write a SQL query to fetch data from multiple tables. Questions based on types on Joins in SQL, Stored Procedures, Views and importance o...read more
Ans. 
Python code to find missing element and SQL query for fetching data from multiple tables.
• Python code to find missing element: Use set difference to find missing elements in range 0 to 100.

• SQL query for fetching data from multiple tables: Use JOINs like INNER JOIN, LEFT JOIN, or CROSS JOIN to combine data from multiple tables.

• Types of Joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN.

• Stored Procedures: Precompi...read more
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Maths, logical question & some related to programming

One problem statement to write a program.

Q1. Technical question related PHP, SQL, etc.
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Q1. Salary discussion
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Q1. What final class and method
Ans. 
The final class and method are used to prevent inheritance and method overriding respectively.
• Final class: A final class cannot be subclassed. It is often used for utility classes or classes that should not be extended.

• Final method: A final method cannot be overridden by subclasses. It is used to prevent modification of a method's behavior in subclasses.
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Q2. PHP reference variable
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Q3. Find duplicate numbers
Ans. 
Find duplicate numbers in an array of strings.
• Iterate through the array and keep track of the count of each number using a hash map.

• If the count of a number is greater than 1, it is a duplicate.

• Return the list of duplicate numbers.
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Q4. Echo variable in single quote what will be output
Ans. 
The output will be the literal string of the variable, without any variable interpolation.
• When a variable is echoed in single quotes, it is treated as a literal string.

• No variable interpolation or special characters are interpreted.

• The output will include the variable name itself, not its value.
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Q5. What is oops concept
Ans. 
Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.
• OOP is based on the concept of classes and objects.

• It focuses on encapsulation, inheritance, and polymorphism.

• Encapsulation hides the internal details of an object and provides a public interface.

• Inheritance allows classes to inherit properties and methods from other classes.

• Polymorphism allows objects of diff...read more
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Q6. Having clause in MySQL
Ans. 
The HAVING clause is used in MySQL to filter the results of a GROUP BY query based on a condition.
• The HAVING clause is similar to the WHERE clause, but it operates on grouped rows rather than individual rows.

• It is used in conjunction with the GROUP BY clause.

• The HAVING clause is used to filter the results of a GROUP BY query based on a condition that applies to the grouped rows.

• It is typically used to specify condition...read more
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MCQ type questions answers

Q1. String and array related
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Q2. Scenario based question answers
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Q1. 1) OOP Concepts
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Q2. Difference between Abstract class and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while interfaces are used to define a contract for ...read more
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Q3. Mysql Concepts and Mysql queries
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Q4. Logical questions on Array and String Functions in PHP
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Q5. File handling functions such as fread, fopen, fclose etc and logical string function questions on file data.
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Q1. All Scenario based questions
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Q2. OOP Concepts in deep
Ans. 
OOP Concepts refer to the principles of Object-Oriented Programming, including encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability for objects of different classes to respond to the same message in different ways...read more
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Q3. Software design pattern related questions
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Q4. Small Logical programs
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Q5. Database queries in deep
Ans. 
Database queries involve retrieving, updating, and manipulating data stored in a database.
• Database queries are used to retrieve specific data from a database based on certain criteria.

• Queries can also be used to update existing data or insert new data into the database.

• SQL (Structured Query Language) is commonly used to write database queries.

• Examples of database queries include SELECT, INSERT, UPDATE, and DELETE state
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Q1. Oops Concepts like Abstraction, difference between Abstract class and Method
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