Technical DetailsΒΆ Contents: Type Mapping String Password Byte Binary DateTime JSON Applying Modifiers to Columns Primary Key Auto Increment Index Column Index Composite Index Unique Constraint Column Unique Constraint Composite Unique Constraint Foreign Key Constraint Foreign Key kwargs Default Server Default readOnly writeOnly Additional kwargs Setting the Nullable Property Examples required undefined generated required defined nullable defined nullable and required conflict References Remote References Defining Relationships Many to One Nullable Backref Custom Foreign Key Other Keyword Arguments One to One One to Many Many to Many Including Parent References with Child Many to One One to One One to Many Many to Many Custom Association Schema Inheritance Column Inheritance Model Inheritance Joined Table Inheritance x-inherits x-kwargs Example Single Table Inheritance Miscellaneous Model Arguments Define Custom Schema name Mixin Classes