is_sub_data_base¶ data_base.is_sub_data_base(parent_db, key)¶ Check if a given key is a sub-database of the parent database. Parameters:¶ parent_db : DataBase¶The parent database. key : str¶The key to check. Returns:¶ True if the key is a sub-database of the parent database. Return type:¶ bool Documentation unclear, incomplete, broken or wrong? Let us know