SQL VIEW - How to Create a VIEW in SQL?

Learn how to create Views in SQL seamlessly, enhancing your database management skills. | ProjectPro

Recipe Objective - SQL VIEW - How to Create a VIEW in SQL? 

If you're working with databases, you've likely encountered the concept of SQL views. Views in SQL provide a powerful way to simplify complex queries, enhance data security, and improve overall database management. Check out this recipe to explore the ins and outs of creating SQL views, step by step.

What is a SQL View?

In SQL, a view is a virtual table based on the result of a SELECT query. It doesn't store the data itself but presents a logical representation of the data stored in one or more tables. Views can be used to simplify complex queries, encapsulate business logic, and control access to sensitive information.

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How to Create a VIEW in SQL? 

Creating a view in SQL involves a straightforward process. Let's break it down into clear steps:

Step 1: Understanding the SELECT Statement

Before creating a view, you need to formulate the SELECT statement that defines the data you want the view to display. This statement can include various clauses like WHERE, JOIN, GROUP BY, and ORDER BY to tailor the view to your specific requirements.

Step 2: Syntax for Creating a View

The basic syntax for creating a view in SQL is as follows:

Syntax:
CREATE VIEW view_name AS
SELECT column_name1, column_name2, ...
FROM table_name WHERE condition;

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Step 3: Example: Creating a View Query in SQL 

Let us create a view of customer_id and customer_name of the customers who live in England.

Code:

-- creating a view

CREATE VIEW cust_england AS

SELECT customer_id, customer_name

FROM customers WHERE country="England";

-- retrieving data from the view

SELECT * FROM cust_england;

How to create a view in sql server

Output:

+-------------+----------------+

| customer_id | customer_name  |

+-------------+----------------+

|         101 | Thomas Shelby  |

|         103 | Alfie Solomons |

|         105 | May Carleton   |

+-------------+----------------+

3 rows in set (0.00 sec)

Master SQL Operations Through Practical Experience by ProjectPro! 

Creating views in SQL is a valuable skill for database developers and administrators. It simplifies data access, enhances security, and improves overall database management. By following the steps outlined in this guide, you can create views tailored to your specific needs, optimizing your SQL database experience. However, particularly the creation of SQL Views, is best achieved through practical experience. ProjectPro stands out as an invaluable resource, offering a diverse repository of over 270+ real-world projects in data science and big data. By engaging with these projects, learners not only grasp the intricacies of creating SQL Views but also gain a holistic understanding of SQL applications in various contexts.

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