text: create table "column-names" (
   "mi-text" character varying(5),
   "mi-int" integer,
   "mi-num" numeric(8,6),
   "mi-big" bigint,
   "mi-double" double precision
  );
  
  insert into "column-names" ("mi-text", "mi-int", "mi-num", "mi-big", "mi-double") values
   ('hello', 1, 3.141592, 1234567890, 1.12e-101),
   ('hella', 4, 3.141594, 1234567890, 1.12e-101),
   (null, null, null, 0, 0.0);