在Windows下,MySQL 5.7默认是不区分大小写的,也就是说,它不会将"myTable"和"MYTABLE"视为两个不同的表,在某些情况下,我们可能需要让MySQL区分大小写,我们还需要设置默认的编码为utf8mb4,以支持更多的字符,以下是如何在Windows下设置MySQL 5.7以区分大小写并设置默认编码为utf8mb4的步骤。
1. 设置MySQL服务以区分大小写
我们需要修改MySQL的配置文件my.ini,这个文件通常位于MySQL安装目录下的"my.ini"或"my-default.ini",如果找不到这个文件,你可以在Windows搜索框中输入"my.ini"来查找。
在my.ini文件中,找到[mysqld]部分,然后添加以下行:
lower_case_table_names=0
这行代码的意思是关闭MySQL的不区分大小写功能,保存并关闭my.ini文件。
我们需要重启MySQL服务以使更改生效,你可以通过“服务”应用程序来重启MySQL服务,或者在命令提示符中输入以下命令:
net stop MySQL net start MySQL
2. 设置默认编码为utf8mb4
接下来,我们需要设置MySQL的默认编码为utf8mb4,在my.ini文件中,找到[mysqld]部分,然后添加以下行:
character-set-server=utf8mb4 collation-server=utf8mb4_unicode_ci
这两行代码的意思是将MySQL的服务器字符集设置为utf8mb4,并将排序规则设置为utf8mb4_unicode_ci,保存并关闭my.ini文件。
我们需要重启MySQL服务以使更改生效,你可以通过“服务”应用程序来重启MySQL服务,或者在命令提示符中输入以下命令:
net stop MySQL net start MySQL
3. 验证设置是否生效
我们需要验证我们的设置是否生效,你可以通过以下SQL命令来查看当前的字符集和排序规则:
SHOW VARIABLES LIKE 'character_set%'; SHOW VARIABLES LIKE 'collation%';
这两个命令应该会返回类似以下的输出:
+--------------+---------+------+------------------+-----------------------+ | Variable_name | Value | Type | Scope | Dynamic | Character Set | Collation | Charset | Collation | +--------------+---------+------+------------------+-----------------------+ | character_set_client | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_set_connection | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_set_database | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_set_filesystem | binary | SESSION | Global | NO | binary | binary | binary | binary | | character_set_results | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_set_server | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_set_system | utf8mb4 | SESSION | Global | NO | utf8mb4 | utf8mb4_unicode_ci | utf8mb4 | utf8mb4_unicode_ci | | character_sets_dir | C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ | SESSION | Global | NO | C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ | C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------+------------+------+------------------+-----------------------+----------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data/charsets/ +-----------------------------| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data| character_sets_dir = C:/ProgramData/MySQL/MySQL Server 5.7/Data| character_sets_dir = C:
原创文章,作者:K-seo,如若转载,请注明出处:https://www.kdun.cn/ask/337228.html