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CHARSET

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Takes a string argument and returns the character set of that argument.

Syntax

CHARSET(string)

Arguments

  • String

Return Type

  • Character set

Examples

SELECT CHARSET(char(189));
+--------------------+
| CHARSET(char(189)) |
+--------------------+
| binary             |
+--------------------+
1 row in set (0.06 sec)
SELECT CHARSET(char(189 using utf8));
+-------------------------------+
| CHARSET(char(189 using utf8)) |
+-------------------------------+
| utf8                          |
+-------------------------------+
1 row in set (0.06 sec)

Related Topics

Caution

Implicit Collation

When character_set_server is set to utf8, string literals with characters using 4-byte encoding are implicitly assigned binary collation and processed as a sequence of bytes rather than characters. This implicit conversion to binary collation causes string functions to return unexpected results. To avoid using implicit binary collation, either use explicit type casting or use database columns defined with the utf8mb4 character set.

For more information, refer to Implicit Collation in Special Cases.

Last modified: February 27, 2023

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