VIEW IN SQL
When working with databases, you may come across situations where you need to reuse complex queries. In such cases, Views can help simplify your work. In this post, I'll explain what a SQL view is, how to create one, and why it is useful in simple terms. 1. What is a View in SQL? A view in SQL is like a virtual table based on the result of a query. It does not store the data physically. Instead, it shows the data retrieved from one or more tables whenever you access it. You can think of a view as a saved query that you can reuse multiple times. Why Use a View? Views are useful when you have complex queries that are often repeated in your application. They help in: Making your code easier to manage. Improving security by showing only specific columns or rows from a table. Simplifying data retrieval, especially from multiple tables. Example: Here’s a simple example of a view that shows only the customers' names and email addresses from the customers table: ...