摘要:
第一题: select score from student where course = '语文' and name = '张三'; 第二题: update student set score = 100 where course = '数学' and name = '李四'; 第三题: inse 阅读全文
摘要:
import json import os import time from flask import Flask, request, make_response, jsonify, render_template from werkzeug.utils import secure_filename 阅读全文
摘要:
多表题目: 列出每一个部门中年纪最大的员工姓名,部门名称 select name,dept_name,age from dept RIGHT JOIN emp e on dept.dept1=e.dept2 where (select count(*) from emp em WHERE em.ag 阅读全文