L&T Finance QA Engineer Interview Questions and Answers

API scenarios and error methods for QA Engineer interview question

• API Scenario: Test the API endpoint for user authentication with valid credentials

• API Scenario: Test the API endpoint for user authentication with invalid credentials

• Error Method: Simulate a server error response when the API endpoint is down

• Error Method: Simulate a timeout error when the API response takes too long

Joins in SQL are used to combine rows from two or more tables based on a related column between them.

• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

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