InfoService Software Developer Interview Questions and Answers

SQL command for creating a table

• Use CREATE TABLE statement

• Specify table name and column names with data types

• Add any constraints or indexes as needed

SQL commands for inserting, updating, and deleting data from a table.

• INSERT INTO table_name (column1, column2, column3) VALUES (value1, value2, value3);

• UPDATE table_name SET column1 = new_value1 WHERE condition;

• DELETE FROM table_name WHERE condition;

Truncate and drop are SQL commands used to remove data from a table.

• Truncate removes all data from a table but keeps the structure intact.

• Drop removes the entire table and its structure.

• Truncate is faster than drop as it only removes data.

• Drop cannot be undone while truncate can be rolled back.

• Truncate resets the identity of the table while drop does not.

• Examples: TRUNCATE TABLE table_name; DROP TABLE table_name;

I have always been fascinated by technology and its ability to solve complex problems.

• I enjoy problem-solving and logical thinking

• I have a natural curiosity for how things work

• I see the potential for technology to make a positive impact on society

• I have experience in programming and find it rewarding

• I am excited about the constant innovation and evolution in the IT industry

Reverse a linked list using iterative and recursive methods.

• Iterative method involves traversing the list and changing the pointers to reverse the order.

• Recursive method involves calling the function recursively on the next node and changing the pointers.

• Both methods have O(n) time complexity and O(1) space complexity.

• Example: 1->2->3->4->5 becomes 5->4->3->2->1.

I'm a passionate software developer with a strong background in full-stack development and a love for problem-solving.

• Experience in developing web applications using React and Node.js.

• Worked on a team project that improved application performance by 30%.

• Strong understanding of algorithms and data structures, which I applied in optimizing code.

• Enjoy collaborating with cross-functional teams to deliver high-quality softw...read more

I excel in problem-solving and teamwork, but I sometimes struggle with time management under pressure.

• Strength: Strong problem-solving skills - I enjoy tackling complex coding challenges, like optimizing algorithms for better performance.

• Strength: Effective teamwork - I thrive in collaborative environments, having successfully led a project with cross-functional teams.

• Weakness: Time management - I occasionally underest...read more

I bring a unique blend of technical skills, problem-solving abilities, and a passion for software development that drives results.

• Proven experience in developing scalable applications, such as a web-based inventory management system that improved efficiency by 30%.

• Strong proficiency in multiple programming languages, including Java, Python, and JavaScript, allowing me to adapt to various project needs.

• Excellent teamwor...read more