Tietoevry Junior Software Developer Interview Questions and Answers

I am a software developer with experience in Java and Python.

• I have a Bachelor's degree in Computer Science.

• I have worked on various projects involving web development and data analysis.

• I am proficient in Java and Python programming languages.

• I am a quick learner and enjoy working in a team environment.

DBMS stands for Database Management System. It is used to manage and organize data in a structured manner.

• DBMS is used in various industries such as healthcare, finance, education, and more.

• It helps in creating, modifying, and deleting data in a database.

• DBMS provides security features to protect data from unauthorized access.

• Examples of DBMS include MySQL, Oracle, Microsoft SQL Server, and PostgreSQL.

An object is a self-contained entity that contains data and behavior.

• Objects are instances of classes

• They have attributes (data) and methods (behavior)

• Objects can interact with each other through method calls

• Example: A car object has attributes like color, make, and model, and methods like start and stop

Sorting is the process of arranging data in a particular order.

• Sorting can be done in ascending or descending order.

• Common sorting algorithms include bubble sort, insertion sort, and quicksort.

• Sorting can be done on various data types, including strings, numbers, and objects.

• Sorting can be done using built-in functions in programming languages such as sort() in JavaScript.

• Sorting can be optimized for performance by cho...read more

C is a procedural programming language while C++ is an object-oriented programming language.

• C++ supports classes and objects while C does not.

• C++ has better support for polymorphism and inheritance than C.

• C++ has a larger standard library than C.

• C++ allows function overloading while C does not.

• C++ supports exception handling while C does not.

I am a software developer with experience in Java and Python. I am passionate about coding and always eager to learn new technologies.

• Experienced in Java and Python

• Passionate about coding

• Eager to learn new technologies

Yes, my family is supportive of my career and relocation decisions.

• My family understands the importance of career growth and is supportive of my decisions.

• We have discussed the possibility of relocation and they are willing to make the necessary adjustments.

• They trust my judgment and believe that this move will be beneficial for my career.

• We have also considered the quality of life in Hyderabad and believe that it will...read more

CTE and temp tables are used to store intermediate results in SQL queries.

• CTE stands for Common Table Expression and is defined within a query.

• Temp tables are created in the tempdb database and can be accessed across sessions.

• CTEs are generally faster and more readable than temp tables.

• Temp tables are useful for complex queries with multiple steps or when data needs to be manipulated.

• CTEs are useful for recursive queri

Asynchronous programming in .NET allows for non-blocking execution of code, improving performance and responsiveness.

• Async and Await keywords used to implement asynchronous programming

• Allows for parallel execution of multiple tasks

• Improves performance and responsiveness of applications

• Examples include web applications, file I/O operations, and database queries

Threading in .NET allows for concurrent execution of code, improving performance and responsiveness.

• Threading allows for multiple threads of execution to run concurrently

• Thread class is used to create and manage threads

• Thread synchronization is important to prevent race conditions and deadlocks

• Async/await is a newer approach to concurrency in .NET

• TPL (Task Parallel Library) provides higher-level abstractions for concur

Performance tuning of SQL stored procedure involves optimizing query execution time and reducing resource usage.

• Identify and optimize the most resource-intensive queries

• Use appropriate indexing and partitioning techniques

• Minimize network round trips and data transfers

• Avoid using cursors and temporary tables

• Use query hints and plan guides to influence query execution plan

• Regularly monitor and analyze query performance u...read more