/*
   nullif
*/

insert into nullif_tbl values("1","とうきょうと");
insert into nullif_tbl values("2","東京都");
insert into nullif_tbl values("3","トウキョウト");
insert into nullif_tbl values("4","ﾄｳｷｮｳﾄ");
insert into nullif_tbl values("5","toukyouto");
insert into nullif_tbl values("6","TOUKYOUTO");
insert into nullif_tbl values("7","０");
insert into nullif_tbl values("8","1");
insert into nullif_tbl values("9","あいうえお");
insert into nullif_tbl values("10","０１２３４");
insert into nullif_tbl values("11","カキクケコ");
insert into nullif_tbl values("12","ｶｷｸｹｺ");
insert into nullif_tbl values("13","東西南北");
insert into nullif_tbl values("14","ａｂｃｄ");
insert into nullif_tbl values("15","ＡＢＣＤ");
insert into nullif_tbl values("16",null);
insert into nullif_tbl values("17",null);

insert into nullif_tbl_my values("1","とうきょうと");
insert into nullif_tbl_my values("2","東京都");
insert into nullif_tbl_my values("3","トウキョウト");
insert into nullif_tbl_my values("4","ﾄｳｷｮｳﾄ");
insert into nullif_tbl_my values("5","toukyouto");
insert into nullif_tbl_my values("6","TOUKYOUTO");
insert into nullif_tbl_my values("7","０");
insert into nullif_tbl_my values("8","1");
insert into nullif_tbl_my values("9","あいうえお");
insert into nullif_tbl_my values("10","０１２３４");
insert into nullif_tbl_my values("11","カキクケコ");
insert into nullif_tbl_my values("12","ｶｷｸｹｺ");
insert into nullif_tbl_my values("13","東西南北");
insert into nullif_tbl_my values("14","ａｂｃｄ");
insert into nullif_tbl_my values("15","ＡＢＣＤ");
insert into nullif_tbl_my values("16",null);
insert into nullif_tbl_my values("17",null);