What is view in sql

Virtual Table: A view is like a virtual table. It doesn’t hold data itself but displays data based on a query defined in the view. When you query a view, it runs the query associated with the view and shows you the results.
Custom Presentation: You can use views to format data to meet specific needs. For instance, you might want to create a view that shows only certain columns or rows from a table, or data that comes from multiple tables.
Filtering and Aggregation: Views can filter, aggregate, and join data from multiple tables. For example, a view could show all employees in a particular department or calculate average salaries.
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