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25 wrz 2009 · Consider using SELECT name, CONVERT(BINARY CONVERT(name USING latin1) USING utf8) AS conv FROM table WHERE id IN (SELECT id FROM table WHERE LENGTH(name) != CHAR_LENGTH(name)); to find broken records and see the result before using UPDATE.
25 sty 2024 · Solutions. Several strategies can be applied to ensure the correct display of UTF-8 characters in MySQL 8. These range from configuring the server and client environment to monitoring data imports and application-layer adjustments. Solution 1: Configure Server for UTF-8.
SELECT SCHEMA_NAME, DEFAULT_CHARACTER_SET_NAME, DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE DEFAULT_CHARACTER_SET_NAME NOT LIKE '%utf8%' OR DEFAULT_COLLATION_NAME NOT LIKE '%utf8%'; # to filter schema use SCHEMA_NAME in the where clause.
31 maj 2016 · In the Description field I have several Special Characters that are causing the load to fail. I am using LOAD DATA INFILE. This is nested in a for each loop which parses an array of filenames / tables and runs through each combination until it is finished with all the files.
22 maj 2012 · The 'bad characters' are most likely UTF-8 control characters (eg \x80). You might be able to identify them using a query like. SELECT bar FROM foo WHERE bar LIKE LOCATE(UNHEX(80), bar)!=0.
13 cze 2017 · This is easily revealed by the following query: mysql> select i,v,hex (v) from foo; +------+------+--------+ | i | v | hex (v) | +------+------+--------+ | 1 | é | C3A9 | +------+------+--------+ 1 row in set (0.00 sec) 0xC3A9 is not the latin1 encoding of ‘é’, it is the UTF-8 encoding of ‘é’. The correct value is 0xE9.
By default, words less than 3 characters in length or greater than 84 characters in length do not appear in an InnoDB full-text search index. Maximum and minimum word length values are configurable using the innodb_ft_max_token_size and innodb_ft_min_token_size variables.
