礼悟:
公恒学思合行悟,尊师重道存感恩。叶见寻根三返一,江河湖海同一体。
虚怀若谷良心主,愿行无悔给最苦。读书锻炼养身心,诚劝且行且珍惜。
数据、数据,命根就在数据。操作数据库一定要谨慎小心。给最苦 这里的代码,看看就好,要有自己的判断。遇到抉择,要不耻上下问。
mysql:5.7
os:Windows7 x64
代码及效果
1 mysql> show variables like 'character_set_%'; 2 +--------------------------+-------------------------------------------------+ 3 | Variable_name | Value | 4 +--------------------------+-------------------------------------------------+ 5 | character_set_client | gbk | 6 | character_set_connection | gbk | 7 | character_set_database | latin1 | 8 | character_set_filesystem | binary | 9 | character_set_results | gbk | 10 | character_set_server | latin1 | 11 | character_set_system | utf8 | 12 | character_sets_dir | F:\wamp64\bin\mysql\mysql5.7.14\share\charsets\ | 13 +--------------------------+-------------------------------------------------+ 14 8 rows in set, 1 warning (0.00 sec) 15 16 mysql> set names utf8; 17 Query OK, 0 rows affected (0.00 sec) 18 19 mysql> show variables like 'character_set_%'; 20 +--------------------------+-------------------------------------------------+ 21 | Variable_name | Value | 22 +--------------------------+-------------------------------------------------+ 23 | character_set_client | utf8 | 24 | character_set_connection | utf8 | 25 | character_set_database | latin1 | 26 | character_set_filesystem | binary | 27 | character_set_results | utf8 | 28 | character_set_server | latin1 | 29 | character_set_system | utf8 | 30 | character_sets_dir | F:\wamp64\bin\mysql\mysql5.7.14\share\charsets\ | 31 +--------------------------+-------------------------------------------------+ 32 8 rows in set, 1 warning (0.00 sec) 33 34 mysql>
mysql,关系型数据库管理系统,优秀,值得学习。
学习资源:itcast和itheima视频库 + 清净的心地。
如果您有公开的资源,可以分享给我的话,用您的资源学习也可以。
博文是观看视频后,融入思考写成的。博文好,是老师讲得好。博文坏,是 给最苦 没认真。