YII2-database query operations

Does YII2 look like the M function in the TP method, you do not need to create a model class for this table in the models file. You can also operate on tables in the database. Does YII2 look like the M function in the TP method, you do not need to create a model class for this table in the models file to operate tables in the database.

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Does YII2 perform operations on tables in the database without the need to create a model class for the table in the models file like the M function in the TP method?

Use yii \ db \ Query; $ users = (new Query ()-> from ('user')-> all ();

YII2 I didn't see any professional M functions. For details about how to operate the database in YII, refer to the following webpage:
Http://www.cnblogs.com/rhythmK/p/5135476.html