Schema vs Database

Depends on the database server. MySQL doesn’t care, its basically the same thing.

In MySQL, physically, a schema is synonymous with a database. You can substitute the keyword SCHEMA instead of DATABASE in MySQL SQL syntax, for example using CREATE SCHEMA instead of CREATE DATABASE.

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 owned by a single user.

Oracle, DB2, and other enterprise level database solutions make a distinction.
Usually a schema is a collection of tables and a Database is a collection of schemas.

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