What are the two aspects of a database schema?

What are the two kinds of database schema?

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 the two components of a database?

The five major components of a database are:Hardware. Hardware refers to the physical, electronic devices such as computers and hard disks that offer the interface between computers and real-world systems.Software. ... Data. ... Procedures. ... Database Access Language.

What does database schema include?

A database schema defines how data is organized within a relational database; this is inclusive of logical constraints such as, table names, fields, data types, and the relationships between these entities.

What is database 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.