摘要:
select lpad('1234',4,'0') from dual select lpad('123',4,'0') from dual select lpad('23',4,'0') from dual select lpad('3',4,'0') from dual select nvl(lpad('',4,'0'),'0000') from dual 阅读全文
posted @ 2019-11-29 16:49
大水煮鱼
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