text: select * from db_collation order by coll_id;
  
  select distinct charset_name from db_collation order by charset_name;
  select distinct is_builtin from db_collation order by is_builtin;
  select distinct has_expansions from db_collation order by has_expansions;
  
  select * from db_collation where has_expansions='No' order by coll_id ;
  select * from db_collation where has_expansions='Yes' order by coll_id ;
  
  select * from db_collation where is_builtin='No' order by coll_id;
  select * from db_collation where is_builtin='Yes' order by coll_id;
  
  select * from db_collation where contractions=0 order by coll_id;
  select * from db_collation where contractions > 0 order by coll_id;
  
  select coll_id, coll_name, LENGTH(coll_name) from db_collation order by coll_id;
  select coll_id, charset_name, LENGTH(charset_name) from db_collation order by coll_id;
  
  select coll_id, is_builtin, LENGTH(is_builtin), has_expansions, LENGTH(has_expansions)
   from db_collation order by coll_id;
  
  select SUM(contractions) from db_collation;
  
  select charset_name, COUNT(charset_name) from db_collation group by charset_name order by charset_name;
  
  select coll_id, CONCAT(coll_name, '-', charset_name) from db_collation order by coll_id;
  