alter table BLOOD_RKD rename column SFXJ to SFXJ_1;
alter table BLOOD_RKD add(SFXJ NUMBER(1,0));
update BLOOD_RKD set SFXJ = trim(SFXJ_1);
alter table BLOOD_RKD drop column SFXJ_1;
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alter table BLOOD_RKD rename column SFXJ to SFXJ_1;
alter table BLOOD_RKD add(SFXJ NUMBER(1,0));
update BLOOD_RKD set SFXJ = trim(SFXJ_1);
alter table BLOOD_RKD drop column SFXJ_1;