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  6. How Many Databases Can Run on an RDS DB Instance?

How Many Databases Can Run on an RDS DB Instance?

The maximum number of databases that can run on an RDS DB instance depends on the DB engine settings.

  • MySQL allows you to create an unlimited number of databases and tables. For details, see the official MySQL documentation.
  • PostgreSQL allows you to create an unlimited number of databases and database accounts.
  • Microsoft SQL Server allows you to create a maximum of 30 databases and an unlimited number of database accounts.