CREATE TABLE "TEST" 
   (    "VALUE" VARCHAR2(255)
   );
    
INSERT INTO "VICEL"."TEST"("VALUE") VALUES ('1');
INSERT INTO "VICEL"."TEST"("VALUE") VALUES ('2');
INSERT INTO "VICEL"."TEST"("VALUE") VALUES ('3');
INSERT INTO "VICEL"."TEST"("VALUE") VALUES ('4');

SELECT
    decode( VALUE, '1', '国内销售', '2', '外贸销售', '3', '期初销售', '其他' ) ORDER_TYPE 
FROM
    TEST;