[testdb]> SHOW COLLATION WHERE Charset LIKE 'utf8mb4%';
+------------------------------+---------+------+---------+----------+---------+
| Collation                    | Charset | Id   | Default | Compiled | Sortlen |
+------------------------------+---------+------+---------+----------+---------+
| utf8mb4_general_ci           | utf8mb4 |   45 | Yes     | Yes      |       1 |
| utf8mb4_bin                  | utf8mb4 |   46 |         | Yes      |       1 |
| utf8mb4_unicode_ci           | utf8mb4 |  224 |         | Yes      |       8 |
| utf8mb4_icelandic_ci         | utf8mb4 |  225 |         | Yes      |       8 |
| utf8mb4_latvian_ci           | utf8mb4 |  226 |         | Yes      |       8 |
| utf8mb4_romanian_ci          | utf8mb4 |  227 |         | Yes      |       8 |
| utf8mb4_slovenian_ci         | utf8mb4 |  228 |         | Yes      |       8 |
| utf8mb4_polish_ci            | utf8mb4 |  229 |         | Yes      |       8 |
| utf8mb4_estonian_ci          | utf8mb4 |  230 |         | Yes      |       8 |
| utf8mb4_spanish_ci           | utf8mb4 |  231 |         | Yes      |       8 |
| utf8mb4_swedish_ci           | utf8mb4 |  232 |         | Yes      |       8 |
| utf8mb4_turkish_ci           | utf8mb4 |  233 |         | Yes      |       8 |
| utf8mb4_czech_ci             | utf8mb4 |  234 |         | Yes      |       8 |
| utf8mb4_danish_ci            | utf8mb4 |  235 |         | Yes      |       8 |
| utf8mb4_lithuanian_ci        | utf8mb4 |  236 |         | Yes      |       8 |
| utf8mb4_slovak_ci            | utf8mb4 |  237 |         | Yes      |       8 |
| utf8mb4_spanish2_ci          | utf8mb4 |  238 |         | Yes      |       8 |
| utf8mb4_roman_ci             | utf8mb4 |  239 |         | Yes      |       8 |
| utf8mb4_persian_ci           | utf8mb4 |  240 |         | Yes      |       8 |
| utf8mb4_esperanto_ci         | utf8mb4 |  241 |         | Yes      |       8 |
| utf8mb4_hungarian_ci         | utf8mb4 |  242 |         | Yes      |       8 |
| utf8mb4_sinhala_ci           | utf8mb4 |  243 |         | Yes      |       8 |
| utf8mb4_german2_ci           | utf8mb4 |  244 |         | Yes      |       8 |
| utf8mb4_croatian_mysql561_ci | utf8mb4 |  245 |         | Yes      |       8 |
| utf8mb4_unicode_520_ci       | utf8mb4 |  246 |         | Yes      |       8 |
| utf8mb4_vietnamese_ci        | utf8mb4 |  247 |         | Yes      |       8 |
| utf8mb4_croatian_ci          | utf8mb4 |  608 |         | Yes      |       8 |
| utf8mb4_myanmar_ci           | utf8mb4 |  609 |         | Yes      |       8 |
| utf8mb4_thai_520_w2          | utf8mb4 |  610 |         | Yes      |       4 |
| utf8mb4_general_nopad_ci     | utf8mb4 | 1069 |         | Yes      |       1 |
| utf8mb4_nopad_bin            | utf8mb4 | 1070 |         | Yes      |       1 |
| utf8mb4_unicode_nopad_ci     | utf8mb4 | 1248 |         | Yes      |       8 |
| utf8mb4_unicode_520_nopad_ci | utf8mb4 | 1270 |         | Yes      |       8 |
+------------------------------+---------+------+---------+----------+---------+