mysql.exe 使用 -e 选项执行命令
当使用 msyql.exe 及选项 -e 执行命令时, 必须要加双引号. (单引号以及`` 都不行)
C:\Users\Administrator>mysql -uroot -p -e show databases
Enter password: ******
ERROR 1049 (42000): Unknown database 'databases'
C:\Users\Administrator>mysql -uroot -p -e "show databases"
Enter password: ******
+-------------------------+
| Database |
+-------------------------+
| information_schema |
| math |
| mysql |
| performance_schema |
| test |
| test_bar |
| test_electronicproducts |
| test_shipsinww2 |
+-------------------------+