What is a database schema?

What is meant by database schema?

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 with example?

In MySQL, schema is synonymous with database. You can substitute the keyword SCHEMA for DATABASE in MySQL SQL syntax. Some other database products draw a distinction. For example, in the Oracle Database product, a schema represents only a part of a database: the tables and other objects are owned by a single user.

What are the 3 types of database schema?

Schema is of three types: Logical Schema, Physical Schema and view Schema.

What is a database schema called?

In the Oracle database system, the term database schema, which is also known as "SQL schema," has a different meaning. Here, a database can have multiple schemas (or “schemata,” if you're feeling fancy). Each one contains all the objects created by a specific database user.