Database Views
Database views are virtual tables that represent the result of a stored query, allowing users to access data from one or more underlying tables without directly querying them. They simplify complex queries, enhance security by restricting access to specific columns or rows, and provide a consistent interface for applications. Views do not store data themselves but dynamically retrieve it when queried, based on the underlying tables.
Developers should use database views to abstract complex joins and aggregations, making queries easier to write and maintain in applications like reporting systems or dashboards. They are essential for implementing row-level or column-level security, such as in multi-tenant applications where users only see their own data. Views also help enforce data consistency by providing a standardized data layer, reducing errors in ad-hoc queries.