win10 mysql5.7 specify a startup configuration file

Click the Start menu, search for cmd.exe, left-click Run as administrator.

C:\Users\Administrator>cd C:\Program Files\MySQL\MySQL Server 5.7\bin
C:\Program Files\MySQL\MySQL Server 5.7\bin>mysqld --defaults-file="C:\ProgramData\MySQL\MySQL Server 5.7\my.ini" --user=mysql

By default, MySQL database file is saved in C: / ProgramData / mysql / MySQL Server 5.7 / Data / Moreover, Win7, Win10 default is the C: / ProgramData directory hidden.

C: \ Program Files \ MySQL \ MySQL Server 5.7 \ bin> cd ../ 

C: \ Program Files \ MySQL \ MySQL Server 5.7 > dir 
 drive C has no label volumes. 
 Volume Serial Number is 562E - BB77 

 C: \ Program Files \ the MySQL \ the MySQL Server 5.7 directory 

2019 / 07 / 22 is   . 17 : 30     <the DIR>           .
 2019 / 07 / 22 is   . 17 : 30     <the DIR>           ..
 2018 / 02 / 06   12 : 07     <DIR>           bin
2017 / 12 / 28   04 : 46,             17 , 987 COPYING 2018 / 02 / 06   12 : 07     <DIR>           docs
 2018 / 02 / 06   12 : 07     <DIR>           include
 2018 / 02 / 06   12 : 07     <DIR>           lib
 2017 / 12 / 28   04 : 46              2 , 478The README
 2018 / 02 / 06   12 is : 07     <the DIR>           Share
                2 files          20 , 465 bytes
                . 8 directory 15 , 910 , 883 , 328 bytes available