`information_schema.character_sets.character_repertoire`

mysql

type: SQL_IDENTIFIER NULL

Note:

Character repertoire, showing UCS if the encoding is UTF8, else just the encoding name

10-15

type: SQL_IDENTIFIER

Note:

Character repertoire, showing UCS if the encoding is UTF8, else just the encoding name

9.1-9.6

type: unknown

Note:

Character repertoire. UCS if the encoding is UTF8; the encoding name if not.