DEL FROM X.SALES1
WHERE CAST(SALES_T_ID AS DECIMAL(18,0)) IN(

SEL CAST(T1.SALES_T_ID AS DECIMAL(18,0) )FROM
(
SEL *  FROM
X.SALES1
QUALIFY ROW_NUMBER() OVER( PARTITION BY SALES_SRC_ID,DSTC ORDER BY UPDATED_DATE_TIMESTAMP DESC) >1
) T1
) ;

CREATE SET TABLE X.SALES1 ,FALLBACK ,
     NO BEFORE JOURNAL,
     NO AFTER JOURNAL,
     CHECKSUM = DEFAULT,
     DEFAULT MERGEBLOCKRATIO,
     MAP = TD_MAP1
     (
      SALES_T_ID DECIMAL(18,0),
      SALES_TRANS_NUM VARCHAR(30) CHARACTER SET LATIN NOT CASESPECIFIC,
      SALES_SRC_ID VARCHAR(20) CHARACTER SET LATIN NOT CASESPECIFIC,
      SALES_TRANS_START_DTTM TIMESTAMP(0),
      ST_EXPECTED_CLOSE_DTTM TIMESTAMP(0),
      ST_ACTUAL_CLOSE_DTTM TIMESTAMP(0),
      ST_ACT_CONT_DTTM TIMESTAMP(0),
      ST_EXP_CONT_CLS_DTTM TIMESTAMP(0)
)
PRIMARY INDEX ( SALES_T_ID );

SALES_T_ID SALES_SRC_ID
715,603    3-3SDDJH5
593,803    3-3SDDJH5
715,604    3-3SDDJIG
593,804    3-3SDDJIG
715,605    3-3SDDJJR

DEL FROM X.SALES1
WHERE CAST(SALES_T_ID AS DECIMAL(18,0)) IN(

SEL CAST(T1.SALES_T_ID AS DECIMAL(18,0) )FROM
(
SEL *  FROM
X.SALES1
QUALIFY rank() OVER( PARTITION BY SALES_SRC_ID,DSTC ORDER BY UPDATED_DATE_TIMESTAMP DESC) > 1
) T1
;