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1.步骤2.用到的代码cd /d D:\Environment\mysql-5.7.23\binmysqld -installmysqld --initialize-insecure --user=mysqnet stop mysqlnet start mysqlmysql -u root -pUPDATE mysql.user SET authentication_...

题目答案select city , population from north_american_cities where country like ‘%canada%’; 或者 SELECT city, population FROM north_american_cities WHERE country = “Canada”;select city, latitude fro...

Lesson 4: 查询结果Filtering过滤 和 sorting排序题目[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-twyDNBSZ-1584752623115)(E:\MarkDown学习\img\0003.PNG)][外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-PXckmqxT-1584752623117)(E:\M...

Lesson 1: SELECT 查询 101题目答案select title from moviesselect director from movies;select title,director from movies;select title,year from movies;select * from movies;Lesson 2: 条件查询...