zh0003的博客

import sqlalchemy, enum from sqlalchemy import create_engine, Column, Integer, String, Date, ForeignKey, Enum, and_ from sqlalchemy.orm import sessionmaker, relationship from sqlalchemy.ext.declarativ...

对象关系映射（英语：(Object Relational Mapping，简称ORM)) from sqlalchemy import Column, Integer, String, Date, Enum, and_, or_, not_, ForeignKey, create_engine from sqlalchemy.ext.declarative import declarative_b...