How do you describe a view in SQL?

A VIEW in SQL Server is like a virtual table that contains data from one or multiple tables. It does not hold any data and does not exist physically in the database. Similar to a SQL table, the view name should be unique in a database. It contains a set of predefined SQL queries to fetch data from the database.

How do I view a view in SQL Server?

3 Answers

1. Find the database in Management Studio.
2. In the database, click on the Views folder on the left (officially called the Object Explorer) which should show you a list of the views on your right.
3. Select all your views.
4. Right-click on the selected views and choose “Script View As” -> Create To -> New Query Window.

How do I view a column description in SQL Server?

About sys. columns

1. Name: The name of the column.
2. Object_id: object_id is unique identifier for the table in which the column exists.
3. Column_id: ID of the column.
4. user_type_id: System code for column data type.
5. max_length: Maximum length (in bytes) of the column.
6. is_nullable: 1 if column is nullable.

Why to use SQL views?

The Views in SQL Server are mostly used to focusing, simplifying and customizing the realization for their database. These views can also be used for the security purpose by letting users access data through the view.

What is system table in SQL Server?

System Tables are a special type of table in which the SQL Server Engine stores information about the SQL Server instance configurations and objects information, that can be queried using the system views.

What are SQL views?

Summary Views are virtual tables; they do not contain the data that is returned. Views improve security of the database by showing only intended data to authorized users. Views make life easy as you do not have write complex queries time and again. It’s possible to use INSERT, UPDATE and DELETE on a VIEW.

What is SQL, how does it work and how is it being used?

In database systems the SQL statements are used for sending queries from a client program to a server where the databases are stored. In response, the server processes the SQL statements and returns replies to the client program.