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It can be set both on startup or dynamically, with the SET command: SET character_set_server = 'latin2' The character_set_server system variable can be used to change the default server character set. It's therefore possible to have extremely fine-grained control over all the character sets and collations used in your data.ĭefault collations for each character set can be viewed with the SHOW COLLATION statement, for example, to find the default collation for the latin2 character set: SHOW COLLATION LIKE 'latin2%' + -+-+-+-+-+-+ | Collation | Charset | Id | Default | Compiled | Sortlen | + -+-+-+-+-+-+ | latin2_czech_cs | latin2 | 2 | | Yes | 4 | | latin2_general_ci | latin2 | 9 | Yes | Yes | 1 | | latin2_hungarian_ci | latin2 | 21 | | Yes | 1 | | latin2_croatian_ci | latin2 | 27 | | Yes | 1 | | latin2_bin | latin2 | 77 | | Yes | 1 | + -+-+-+-+-+-+ Server Level When changing a character set and not specifying a collation, the default collation for the new character set is always used.Ĭharacter sets and collations always cascade down, so a column without a specified collation will look for the table default, the table for the database, and the database for the server.
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Both character sets and collations can be specified from the server right down to the column level, as well as for client-server connections. In MariaDB, the default character set is latin1, and the default collation is latin1_swedish_ci (however this may differ in some distros, see for example Differences in MariaDB in Debian).
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Example: Changing the Default Character Set To UTF-8.