Avisys Python Developer Intern Interview Questions and Answers

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

• Joins in SQL are 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.

• Union combines the result sets of two or more SELECT statements, while full join returns all rows when there is a match in either table.