presto-hive/src/main/java/io/prestosql/plugin/hive/security/SqlStandardAccessControl.java/SqlStandardAccessControl/checkCanCreateSchema
class SqlStandardAccessControl:    @Override
    public void checkCanCreateSchema(ConnectorSecurityContext context, String schemaName)
    {
        if (!isAdmin(context)) {
            denyCreateSchema(schemaName);
        }
    }