MySQL 9.5 Release Notes
SHOW COLLATION [LIKE 'pattern' | WHERE expr] This statement lists collations supported by the server. By default, the output from SHOW COLLATION includes all available collations. The LIKE clause, if present, indicates which collation names to match. The WHERE clause can be given to select rows using more general conditions, as discussed in Section 28.8, “Extensions to SHOW Statements”. For example:
mysql> SHOW COLLATION WHERE Charset = 'latin1'; +-------------------+---------+----+---------+----------+---------+ | Collation | Charset | Id | Default | Compiled | Sortlen | +-------------------+---------+----+---------+----------+---------+ | latin1_german1_ci | latin1 | 5 | | Yes | 1 | | latin1_swedish_ci | latin1 | 8 | Yes | Yes | 1 | | latin1_danish_ci | latin1 | 15 | | Yes | 1 | | latin1_german2_ci | latin1 | 31 | | Yes | 2 | | latin1_bin | latin1 | 47 | | Yes | 1 | | latin1_general_ci | latin1 | 48 | | Yes | 1 | | latin1_general_cs | latin1 | 49 | | Yes | 1 | | latin1_spanish_ci | latin1 | 94 | | Yes | 1 | +-------------------+---------+----+---------+----------+---------+ SHOW COLLATION output has these columns:
CollationThe collation name.
CharsetThe name of the character set with which the collation is associated.
IdThe collation ID.
DefaultWhether the collation is the default for its character set.
CompiledWhether the character set is compiled into the server.
SortlenThis is related to the amount of memory required to sort strings expressed in the character set.
Pad_attributeThe collation pad attribute, one of
NO PADorPAD SPACE. This attribute affects whether trailing spaces are significant in string comparisons; for more information, see Trailing Space Handling in Comparisons.
To see the default collation for each character set, use the following statement. Default is a reserved word, so to use it as an identifier, it must be quoted as such:
mysql> SHOW COLLATION WHERE `Default` = 'Yes'; +---------------------+----------+----+---------+----------+---------+ | Collation | Charset | Id | Default | Compiled | Sortlen | +---------------------+----------+----+---------+----------+---------+ | big5_chinese_ci | big5 | 1 | Yes | Yes | 1 | | dec8_swedish_ci | dec8 | 3 | Yes | Yes | 1 | | cp850_general_ci | cp850 | 4 | Yes | Yes | 1 | | hp8_english_ci | hp8 | 6 | Yes | Yes | 1 | | koi8r_general_ci | koi8r | 7 | Yes | Yes | 1 | | latin1_swedish_ci | latin1 | 8 | Yes | Yes | 1 | ... Collation information is also available from the INFORMATION_SCHEMA COLLATIONS table. See Section 28.3.6, “The INFORMATION_SCHEMA COLLATIONS Table”.