IBM Software Tester Interview Questions, Process, and Tips

Inner join returns only the matching rows between two tables, while outer join returns all rows from both tables.

• Inner join only includes rows with matching values in both tables

• Outer join includes all rows from both tables, even if there are no matching values

• Types of outer joins include left outer join, right outer join, and full outer join

To test an ATM machine, I would perform functional, security, and usability testing to ensure it operates correctly and securely.

• Test the functionality of withdrawing cash, depositing cash, checking balance, transferring funds, etc.

• Perform security testing to check for vulnerabilities such as card skimming, unauthorized access, etc.

• Conduct usability testing to ensure the interface is user-friendly and intuitive for cus...read more

I have worked on a project testing a mobile banking application for a major financial institution.

• Performed functional testing to ensure all features worked correctly

• Conducted regression testing after each new release

• Collaborated with developers to troubleshoot and resolve issues

• Created and executed test cases based on user stories

I have previously used MySQL and MongoDB databases.

• MySQL was used for relational database management system.

• MongoDB was used for NoSQL database management system.

My framework is a hybrid framework that combines data-driven and keyword-driven approaches.

• The framework uses Excel sheets to store test data and keywords

• It uses Selenium WebDriver for web automation

• It has a modular structure with reusable functions

• It generates HTML reports for test results

• It supports both manual and automated testing

Sanity testing is a quick and shallow testing to ensure the basic functionality of the application is working.

• Identify the critical functionalities of the application

• Execute a set of predefined test cases to ensure the basic functionality is working

• Verify the application is stable and can handle normal inputs

• Ensure the application is ready for further testing

• Examples: login functionality, basic navigation, data display