Iris Software QA Engineer Interview Questions, Process, and Tips

Root cause analysis is a systematic process used to identify the underlying cause of a problem or issue.

• Identify the problem or issue

• Gather data and evidence related to the problem

• Analyze the data to determine the root cause

• Develop solutions to address the root cause

• Implement and monitor the effectiveness of the solutions

Scrum Agile is a framework for managing and completing complex projects in an iterative and incremental manner.

• Scrum is based on the principles of transparency, inspection, and adaptation.

• It involves breaking down the project into smaller tasks called user stories.

• Teams work in short iterations called sprints, usually 2-4 weeks long.

• Daily stand-up meetings are held to discuss progress and any obstacles.

• Scrum roles incl...read more

SQL join tables to combine data from multiple tables based on a related column

• Use JOIN keyword to combine tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Specify the columns to join on using ON clause

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

• Inheritance allows a class to reuse code from another class, promoting code reusability and reducing redundancy.

• Subclasses can inherit attributes and methods from a superclass, and can also override or extend them.

• Inheritance creates a hierarchical relationship between classes, with child classes i...read more