alter table CAPBISTMP modify RSV_FLD1 VARCHAR2(30);   
alter table CAPBISTMP modify RSV_FLD2 VARCHAR2(40); 
alter table CAPBISTMP modify RSV_FLD3 VARCHAR2(80);
alter table CAPBISTMP modify RSV_FLD4 VARCHAR2(80);
alter table CAPBISTMP modify RSV_FLD5 VARCHAR2(200);