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sql-base-2019-5-17-2-0-39-612's Introduction

说明:

  1. 学生表:
  • 创建表create table student(....);
  • 添加数据:insert into student (name, age, sex) values (...);
  • 查看数据:select * from student;
  • 主要是创建stduent时,需要定义primary key为id,设置每个title的类型,大小。
  1. 课程表:
  • 创建表create table subject(....);
  • 添加数据:insert into subject (subject, teacher, description) values (...);
  • 查看数据:select * from subject;
  • 主要是创建stduent时,需要定义primary key为id,设置每个title的类型,大小。
  1. 课程表:
  • 创建表create table score(....);
  • 添加数据:insert into subject (student_id, subject_id, score) values (...);
  • 查看数据:select * from socre;
  • 主要是创建stduent时,需要定义primary key为id,设置每个title的类型,大小,还有设置stduent_oid,subject_id为外键foreign key。

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