数据库链接查询，字符串比较报错：Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) - CodeAntenna
CakePHP】SQLでcollate utf8_unicode_cを使う - Qiita
Mysqlの文字コード
amazon web services - Set MySQL server variable collation_connection to utf8_unicode_ci on AWS RDS - Stack Overflow
MySQL Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation 'Concat' – candokendo
Moodle in English: Error reading from database - COLLATION 'utf8mb4_bin' is not valid for CHARACTER SET 'utf8' SELECT * FROM mdl_user WHERE LOWER(username) COLLATE utf8mb4_bin ..
What Is The Best Mysql Database Collation? – rkimball.com
Moodle in English: Moodle 3.7, utf8 vs utf8mb4, and other conundrums
FuelPHPでコアクラスを拡張・置換してDBのorder_byでDE::exprを利用できるようにした話。(COLLATE utf8_unicode_ciしたかった) - k-tanakaのエンジニア日記
What's the use of collation in Mysql and how do I choose the appropriate one? - Quora
MySQL】照合順序とは？ - Qiita
MySQLの照合順序 - Qiita
Yii paging query - 文章整合
Mysqlの文字コード
collationの罠だよー - てきとう
utf8_unicode_ci に対する日本の開発者の見解 - かみぽわーる
character encoding - How to convert an entire MySQL database characterset and collation to UTF-8? - Stack Overflow
MySQL Collation, - W3cschoool.COM
mysql - Error in SQL syntax, even tho. everything seems to be normal - Stack Overflow
Spring – Sayfa 2 – Ömer AĞCA
Charset and Collation Settings Impact on MySQL Performance - Percona Database Performance Blog
php - How to specify collation with PDO without SET NAMES? - Stack Overflow
mysql - Error in SQL syntax, even tho. everything seems to be normal - Stack Overflow
