Troubleshooting of MySQL errors: Difference between revisions

Troubleshooting of MySQL errors (edit)

672 bytes removed , 12 May 2024

14,953

edits

@@ Line 112: / Line 112: @@
 Further reading:
 * [https://dev.mysql.com/doc/mysql-reslimits-excerpt/5.6/en/subquery-restrictions.html MySQL :: MySQL Restrictions and Limitations :: 4 Restrictions on Subqueries]
-== ERROR 1267: Illegal mix of collations (utf8mb4_general_ci,COERCIBLE) and (latin1_swedish_ci,IMPLICIT) for operation 'concat' ==
-Error condition: Tried to concat different type of data e.g. CONCAT(string, int)
-Solution: {{kbd | key =<nowiki>SELECT CONCAT(`string_column`, CONVERT(`int_column`, CHAR))</nowiki>}} or {{kbd | key =<nowiki>SELECT CONCAT(`string_column`, CAST(`int_column` AS CHAR))</nowiki>}}<ref>[https://stackoverflow.com/questions/15368753/cast-int-to-varchar mysql - Cast int to varchar - Stack Overflow]</ref><ref>[http://blog.51cto.com/bian5399/1092772 mysql字符集问题：Illegal mix of collations-每天让自己进步一点-51CTO博客]</ref>
 == Database and Table Operation Errors ==