`information_schema.domains.collation_name`

mysql

type: SQL_IDENTIFIER NULL

Note:

Name of the collation of the domain, null if default or the data type of the domain is not collatable

10-15

type: SQL_IDENTIFIER

Note:

Name of the collation of the domain, null if default or the data type of the domain is not collatable

9.2-9.6

Note:

Not yet implemented

9.1

Note:

Applies to a feature not available in PostgreSQL

7.4-9

type: NVARCHAR(128) NULL

Note:

Returns the unique name for the sort order if the column is character data or text data type. Otherwise, NULL is returned.