Installing Docker Toolbox on Windows with Hyper-V Installed在安装了Hyper-V的Windows上安装Docker工具箱出现下面错误：Running pre-create checks…Error with pre-create check: “Hyper-V is installed. VirtualBox won’t boot ...

MySql将一个表的数据复制到另外一张表（表结构相同）同一个库中进行复制INSERT INTO book_copy SELECT * FROM book (全部复制);INSERT INTO book_copy SELECT DISTINCT * FROM book (不复制重複的);INSERT INTO book_copy SELECT * FROM book ORDER BY i...