Solution:
1. Find the bin directory path under the mysql installation directory.
2. Open cmd, enter the path to the bin directory, and enter mysql-u root-p.
Problem Analysis:
1. view the default execution parameters of mysql command line client. Method: Start-> All Programs-> MySQL Server5.5-> MySQL5.5 command line client, right-click Properties.
2. Check the target content. The content is long and copied as follows:
"G: \ Program Files \ MySQL Server 5.5 \ bin \ mysql.exe" "-- defaults-file = G: \ Program Files \ MySQL Server 5.5 \ my. ini ""-uroot ""-p"
3. Note: "-- defaults-file = G: \ Program Files \ MySQL Server 5.5 \ my. the configuration file specified in ini ""-uroot ""-p "is my. INI file.
Here we will check the installation directory, that is, G: \ Program Files \ MySQL Server 5.5. None of the six ini Files are my. ini.
4. Copy the my-small.ini file, rename it my-ini file, save.
5. Start mysql command line client and solve the problem.