1. TO_NUMBER(TO_CHAR(NVL(BRSY, 0) * 100, 'FM9999999999999'))
2. select lpad('1',4,'0') from dual;
3. to_char(1,'fm0000')
4. to_char(123, 'fm0999')
Oracle: 数字前面自动补0几种方式
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转载自blog.csdn.net/m0_37564426/article/details/85320001
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