Master SQL for Data Analysis - Overview-3

The video tutorial discusses the common need to combine data from multiple tables in a relational database. It explains how each table stores data on specific entities and may be related to others, necessitating data combination for certain tasks. SQL provides operators like UNION, INTERSECT, and JOIN to facilitate this process. The tutorial introduces these operators and their use cases, focusing on how they help in combining data from various sources.

Can you explain the difference between UNION and INTERSECT in SQL?

What is the significance of the join operator in SQL?