windows下mysql默認是不區分大小寫的，但是linux會區分大小寫，所以當執行的sql語句有大小寫區別時需要注意。那么怎么設置mysql不區分大小寫。1.windows下到安裝mysql的目錄，修改my.ini文件在文件最后一行加上下面一句話lower_case_table_names=1lower_case_table_names = 1說明 0：區分大小寫，1：不區分大小寫效果如下[mysqld]port = 3306 basedir=F:/mysql-5.7.21-winx64datadir=F:/mysql-5.7.21-winx64/datamax_connections=200 character-set-server=utf8default-storage-engine=INNODB sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES[mysql]default-character-set=utf8 lower_case_table_names=1重啟mysql2.linux下進入etc下面cd /etc/編輯my.cnf文件vi my.cnf最后一行加上下面一句lower_case_table_names=1效果如下# For advice on how to change settings please see# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html[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## 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 = 2Mdatadir=/var/lib/mysqlsocket=/var/lib/mysql/mysql.sock# Disabling symbolic-links is recommended to prevent assorted security riskssymbolic-links=0log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pidlower_case_table_names=1重啟mysql：systemctl restart mysqld

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