Greatoo Associate QA Engineer Interview Questions and Answers

JMeter is a tool used for performance testing and CRUD operations.

• Install and open JMeter

• Create a Test Plan

• Add Thread Group and configure the number of users

• Add HTTP Request Sampler for CRUD operations

• Configure the HTTP Request Sampler with the appropriate method (GET, POST, PUT, DELETE)

• Add Listeners to view and analyze the test results

• Run the test and analyze the performance metrics

Variables in Postman are placeholders that can be used to store and reuse values in requests and scripts.

• Variables in Postman are denoted by enclosing them in double curly braces like {{variable_name}}

• Variables can be defined at different scopes such as global, environment, and local

• Variables can be used to store values like API keys, tokens, and dynamic data

• Variables can be dynamically updated using scripts or pre-req

Different types of SQL joins include inner join, left join, right join, and full outer join.

• Inner join: Returns rows when there is a match in both tables

• Left join: Returns all rows from the left table and the matched rows from the right table

• Right join: Returns all rows from the right table and the matched rows from the left table

• Full outer join: Returns rows when there is a match in either table