# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.
[client]

default-character-set=utf8

[mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
basedir = "D:\dev_tools\mysql-5.7.7"
datadir = "D:\dev_tools\mysql-5.7.7\data"
tmpdir = "D:\dev_tools\mysql-5.7.7\data"
socket = "D:\dev_tools\mysql-5.7.7\data\mysql.sock"
port = 3306

log-error = "D:\dev_tools\mysql-5.7.7\data\mysql_error.log"

# server_id = .....

max_connections = 100
table_open_cache = 256
query_cache_size = 1M

tmp_table_size = 32M
thread_cache_size = 8

innodb_data_home_dir = "D:\dev_tools\mysql-5.7.7\data\"
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 128M
innodb_buffer_pool_size = 128M
innodb_log_file_size = 10M
innodb_thread_concurrency = 16
innodb-autoextend-increment = 1000

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
join_buffer_size = 128M
sort_buffer_size = 32M
read_rnd_buffer_size = 32M

max_allowed_packet = 32M
explicit_defaults_for_timestamp = true

sql_mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

命令行执行：mysql –u root -p

mysql>show databases;

mysql>use mysql;

mysql> SET password=PASSWORD('123456');　

mysql> FLUSH PRIVILEGES;

mysql> QUIT