| ALTER TABLE customer ADD COLUMN first_name TEXT; | |
| ALTER TABLE customer ADD COLUMN last_name TEXT; | |
| UPDATE customer | |
| SET first_name=CASE WHEN instr(full_name,' ')=0 THEN full_name ELSE substr(full_name,1,instr(full_name,' ')-1) END, | |
| last_name=CASE WHEN instr(full_name,' ')=0 THEN '' ELSE substr(full_name,instr(full_name,' ')+1) END; | |