text: -- examples on conversion
  
  -- varchar cast
  select cast(12345.67 as varchar);
  select 12345.67::varchar;
  
  -- date cast
  select cast('2022-08-15' as date);
  select cast('15-aug-22' as date);
  select '15-aug-22'::date;
  
  -- timestamp cast
  select cast('2022-08-15' as timestamp);
  select cast('15-aug-22' as timestamp);
  select '15-aug-22'::timestamp;
  