修改mysql默认字符集和排序规则1.查看当前数据库字符集和排序规则
命令如下：
mysql> SHOW VARIABLES LIKE 'collation_%';
mysql> SHOW VARIABLES LIKE 'character%';
2.修改my.ini⽂件，改后内容如下
# For advice on how to change settings please see
# sql/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
[mysql]
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 = .....
# datadir = .....
# port = .....
# server_id = .....
# Remove leading # to set options mainly useful for reporting servers.
sort命令排序# 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 = 2M
# read_rnd_buffer_size = 2M
init_connect='SET collation_connection = utf8_general_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_general_ci
skip-character-set-client-handshake
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
3.重启数据库
4.查看修改后效果

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