前端学习笔记202308学习笔记第八十叁天-创建班级表
CREATE table geyao_calss (
  class_id INTEGER NOT NULL PRIMARY KEY,
  class_name VARCHAR(45) NOT null,
  school_name INTEGER not null,
  id SERIAL
)创建班级表
CREATE table geyao_calss (
  class_id INTEGER NOT NULL PRIMARY KEY,
  class_name VARCHAR(45) NOT null,
  school_name INTEGER not null,
  id SERIAL
)创建班级表
