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Asked: 2026-06-04T03:43:51+00:00

I have problem inserting rows to my DB. When a row contains characters like:

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I have problem inserting rows to my DB.
When a row contains characters like: ‘è’, ‘ò’, ‘ò’, ‘€’, ‘²’, ‘³’ …. etc … it returns an error like this (charset set to utf8):

Incorrect string value: '\xE8 pass...' for column 'descrizione' at row 1 - INSERT INTO materiali.listino (codice,costruttore,descrizione,famiglia) VALUES ('E 251-230','Abb','Relè passo passo','Relè');

But, if I set the charset to latin1 or *utf8_general_ci* it works fine, and no errors are found.

Can somebody explain me why does this happens? I always thought that utf8 was “larger” than latin1

EDIT: I also tried to use mysql_real_escape_string, but the error was always the same!!!!

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1 Answer

  1. Editorial Team

    According to the doc for UTF-8, the default collation is utf8_general_ci.
    If you want a specific order in your alphabet that is not the general_ci one, you should pick one of the utf8_* collation that are provided for the utf8 charset, whichever match your requirements in term of ordering.

    Both your table and your connection to the DB should be encoded in utf8, preferably the same collation, read more about setting connection collation.

    To be completely safe you should check your table collation and make sure it’s utf8_* and that your connection is too, using the complete syntax of SET NAMES

    SET NAMES 'utf8' COLLATE 'utf8_general_ci'

    You can find information about the different collation here

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