Firebird Character Sets and Collations Every CHAR or VARCHAR field can (or, better: must) have a character set assigned. Firebird uses this information to correctly store the bytes that make up the character string. In order to be able to sort or com…

10.1.5 Connection Character Sets and Collations Several character set and collation system variables relate to a client's interaction with the server. Some of these have been mentioned in earlier sections: The server character set and collation are t…

character_set_server collation_servercharacter_set_databasecollation_database character_set_clientcharacter_set_results character_set_connection <===character_set_clientcollation_connection skip-character-set-client-handshake client (character_set_cl…

在利用postGIS导入shapefile文件到postgresql数据库的时候,老是提示字符串的问题,或者是乱码,试了好几种都不行,于是度娘之.... 使用默认的UTF8,提示信息是:建议使用LATIN1:Unable to convert data value to UTF-8 (iconv reports "Illegal byte sequence"). Current encoding is "UTF-8". Try "LATIN1"…

David Berube  | June 12, 2018 |  Posted In: MySQL Modern applications often feature the use of data in many different languages. This is often true even of applications that only offer a user facing interface in a single language. Many users may, for…

w Hi, You can check and compare sort orders provided by these two collations here: http://www.collation-charts.org/mysql60/mysql604.utf8_general_ci.european.html http://www.collation-charts.org/mysql60/mysql604.utf8_unicode_ci.european.html utf8_gene…

1:CHARACTER_SETS 首先看一下查询前十条的结果: root@localhost [information_schema]>select * from CHARACTER_SETS order by MAXLEN DESC limit 10; +--------------------+----------------------+---------------------------------+--------+ | CHARACTER_SET_NAME | DEFAULT_CO…

本文地址:http://www.cnblogs.com/yhLinux/p/4036506.html 在 my.cnf 配置文件中设置相关选项,改变为相应的character set. 设置数据库编码(sudo vi /etc/mysql/my.cnf): [client] default-character-set = utf8 [mysqld] character-set-server = utf8 collation-server = utf8_general_ci 参考资料: 14.1.…

A character set is a set of symbols and encodings. A collation is a set of rules for comparing characters in a character set. Character Set: 一套字符及其编码,即字符集:(文中很多地方也用 charset 一词) Collation:在字符集内用于比较或排序字符的一套规则,即校验规则. 操作系统环境为MacOS Catalina, MySQL版本为: 8.0…

先看下面的执行结果: (root@localhost)[(none)]mysql>show variables like 'character%'; +--------------------------+-------------------------------------------------------------+ | Variable_name | Value | +--------------------------+------------------------------…