linux mysql 5.7 修改預設字符集為utf8
阿新 • • 發佈:2019-02-19
1、通過 SHOW VARIABLES LIKE 'character_set_%'; 檢視mysql字符集情況
mysql> show variables like "%char%"; +--------------------------+---------------+ | Variable_name | Value | +--------------------------+---------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | latin1 | | character_set_system | utf8 | +--------------------------+-------------+
2、日狗的 latin1 是很多語言亂碼的主要原因,通過修改my.cnf 的方法,一勞永逸的解決亂碼問題,兩處修改的地方
不知道 my.cnf 檔案在哪裡,可以使用 whereis my.cnf 命令查詢
# 修改處1:新增以下2行 [client] default-character-set=utf8 [mysqld] #skip-grant-tables #skip-networking # # 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 # # 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 = 2M # read_rnd_buffer_size = 2M datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid # 修改處2:新增以下3行 default-storage-engine=INNODB character-set-server=utf8 collation-server=utf8_general_ci