IncubXperts TechnoConsulting Pvt. Ltd. Interview Questions, Process, and Tips

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

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

• Optimization techniques for joins include using indexes on join columns, avoiding unnecessary joins, and using appropriate join algorithms like nested loops or hash joins.

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

Hooks are functions that let you use state and lifecycle features in functional components. useRef and createRef manage references differently.

• Hooks are special functions in React that allow you to use state and other React features without writing a class.

• The dependency array in hooks like useEffect determines when the effect runs based on the values inside it.

• useRef returns a mutable object which persists for the ful...read more

The useNavigate hook in React Router allows programmatic navigation between routes in a React application.

• useNavigate is a hook provided by React Router v6 and above.

• It returns a function that can be called to navigate to different routes.

• Example: const navigate = useNavigate(); navigate('/home');

• You can pass state to the new route: navigate('/home', { state: { from: 'login' } });

• It can replace the current entry in the...read more

Azure DevOps is a set of development tools used for planning, collaborating, and delivering software.

• Azure DevOps provides tools for version control, build automation, release management, and more.

• It includes services like Azure Repos, Azure Pipelines, Azure Boards, Azure Artifacts, and Azure Test Plans.

• Teams can use Azure DevOps to plan, track work items, automate builds and deployments, and collaborate on code.

• Azure ...read more

Experienced HR professional with a strong background in talent acquisition, employee relations, and performance management.

• Over 10 years of experience in HR roles

• Successfully implemented recruitment strategies resulting in a 20% increase in qualified candidates

• Led training and development programs that improved employee retention rates by 15%