This statement creates a new database in TiDB. The MySQL terminology for 'database' most closely maps to a schema in the SQL standard ...

The CREATE DATABASE statement must run in autocommit mode (the default transaction management mode) and is not allowed in an explicit or implicit transaction. You can use one CREATE DATABASE statement ...

All the system catalog views are created when a database is created with the CREATE DATABASE command. The catalog views cannot be explicitly created or dropped. The system catalog views are updated ...