SYUM Technology Interview Questions, Process, and Tips

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

• Join is used to retrieve data from multiple tables based on a related column

• 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

CTE stands for Common Table Expression in SQL, used to create temporary result sets for complex queries.

• CTE is defined using the WITH keyword followed by a query.

• It helps in breaking down complex queries into smaller, more manageable parts.

• CTEs can reference themselves recursively, making them useful for hierarchical data.

• They are commonly used in scenarios where subqueries or temporary tables would be used.

• Example: WI...read more

Yes, I have a personal system for organizing my work and personal tasks.

• I use a combination of digital tools like Trello and Google Calendar to keep track of my tasks and deadlines.

• I also have a physical planner where I jot down important notes and reminders.

• Having a personal system helps me stay organized and efficient in managing my workload.

Yes, we have Tableau in our system for data visualization and analysis.

• We use Tableau for creating interactive dashboards and reports.

• Tableau helps us in visualizing complex data and identifying trends.

• Our team is trained in using Tableau for data analysis and reporting.