MySQL 8.0 Reference Manual
        MySQL 8.0 Release Notes
        
      The
      COLLATION_CHARACTER_SET_APPLICABILITY
      table indicates what character set is applicable for what
      collation.
    
      The
      COLLATION_CHARACTER_SET_APPLICABILITY
      table has these columns:
- COLLATION_NAME- The collation name. 
- CHARACTER_SET_NAME- The name of the character set with which the collation is associated. 
Notes
      The
      COLLATION_CHARACTER_SET_APPLICABILITY
      columns are equivalent to the first two columns displayed by the
      SHOW COLLATION statement.