4行?4列不行么? select substr(col, 1,1) as a, substr(col, 2,2) as b, substr(col,4,3) as c, substr(col,7,4) from table_name; 用逗号隔开 select substr(col, 1,1) ||','||substr(col, 2,2) ||','|| substr(col,4,3) ||','||substr(col,7,4) from table_name;
且奔赴
2024-10-16 22:20:21
select substr('A123456',instr('A123456','A')+1,len('A123456')-instr('A123456','A')) from dual