django model db column field

 https://www.webforefront.com/django/modeldatatypesandvalidation.html

Data type	Django model type	Database DDL				Description - Validation - Notes
		SQLite	MySQL	PostgreSQL	Oracle
Binary	models.BinaryField()	BLOB NOT NULL	longblob NOT NULL	bytea NOT NULL	BLOB NULL		Creates a blob field to store binary data (e.g. images, audio or other multimedia objects)
Boolean	models.BooleanField()	bool NOT NULL	bool NOT NULL	boolean NOT NULL	NUMBER(1) NOT NULL CHECK ("VAR" IN (0,1))		Creates a boolean field to store True/False (or 0/1) values
Boolean	models.NullBooleanField()	bool NULL	bool NULL	boolean NULL	NUMBER(1) NULL CHECK (("VAR" IN (0,1)) OR ("VAR" IS NULL))		Works just like BooleanField but also allows NULL values
Date/time	models.DateField()	date NOT NULL	date NOT NULL	date NOT NULL	DATE NOT NULL		Creates a date field to store dates
Date/time	models.TimeField()	time NOT NULL	time NOT NULL	time NOT NULL	TIMESTAMP NOT NULL		Creates a ti