What is schema in SQL and its types?

What is schema and its types?

Schema is the overall description of the database. The basic structure of how the data will be stored in the database is called schema. Schema is of three types: Logical Schema, Physical Schema and view Schema.

What are the types of schema in database?

There are two main kinds of database schema:A logical database schema conveys the logical constraints that apply to the stored data. It may define integrity constraints, views, and tables.A physical database schema lays out how data is stored physically on a storage system in terms of files and indices.

What are schemas in SQL?

In a SQL database, a schema is a list of logical structures of data. A database user owns the schema, which has the same name as the database manager. As of SQL Server 2005, a schema is an individual entity (container of objects) distinct from the user who constructs the object.

How many types of schemas are there in SQL Server?

Types of database schemas While the term schema is broadly used, it is commonly referring to three different schema types—a conceptual database schema, a logical database schema, and a physical database schema.