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This article introduces the relevant knowledge of "how to solve the problem of mysql5.5 character set". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

A 5.5 version is installed, and there is a problem with the character set. The previous mysql servers can be configured in the my.cnf configuration file, but today they cannot report errors all the time:

At that time, the error log was not configured in the system, so we can only configure the location of the error log first to see what went wrong:

[html]

User = mysql

Pid-file = / var/run/mysqld/mysqld.pid

Socket = / var/run/mysqld/mysqld.sock

Port = 3306 www.2cto.com

Basedir = / usr

Datadir = / var/lib/mysql

Tmpdir = / tmp

Log-error=/var/log/mysql/error.log

Lc-messages-dir = / usr/share/mysql

Skip-external-locking

Default-character-set=utf8

As a result, I looked at the error log and found that it was an error in the character set:

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[ERROR] / usr/sbin/mysqld: unknown variable 'default-character-set=utf8'

Unexpectedly do not know, the Internet looked for the next found that some people encountered, said that 5. 5 in the mysql no longer use default-character-set this way of writing.

For details, please see: http://dev.mysql.com/doc/refman/5.5/en/server-options.html#option_mysqld_default-character-set

Just change default-character-set=utf8 to: character-set-server=utf8.

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Root@chenDBA:/etc/mysql# vim my.cnf

Root@chenDBA:/etc/mysql# service mysql start

Mysql start/running, process 5904

Root@chenDBA:/etc/mysql# mysql-uroot-p

Enter password: www.2cto.com

Mysql > show variables like 'character%'

+-+

| | 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 | utf8 |

| | character_set_system | utf8 |

| | character_sets_dir | / usr/share/mysql/charsets/ |

+-+

8 rows in set (0.00 sec) OK is done.

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