What is a view?
Answer with explanationAnswer: Option A
A VIEW is a virtual table, through which a selective portion of the data from one or more tables can be seen. A view do not contain data of their own. They are used to restrict access to the database or to hide data complexity. A view is stored as a SELECT statement in the database. DML operations on a view like INSERT, UPDATE, DELETE affects the data in the original table upon which the view is based.
The Syntax to create a sql view is:
CREATE VIEW view_name
FROM table_name [WHERE condition];
- view_name is the name of the VIEW.
- The SELECT statement is used to define the columns and rows that you want to display in the view.
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