The database schema is its structure described in a formal language supported by the database management system (DBMS). The term "schema" refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases).
What are the 3 types of database schema?
DBMS Schema
Definition of schema: Design of a database is called the schema. Schema is of three types: Physical schema, logical schema and view schema.
What are 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.
