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这里的技术是共享的
格式:TO_CHAR(number,'format_model')
9 -->Represents a number
0 --> Forces a zero to be displayed
. -->Prints a decimal point
, --> Prints a comma as a thousands indicator
select to_char(6000,'99,999.00') from dual;
6,000.00
select to_char(6000,'00,000.00') from dual;
06,000.00
来自 https://www.cnblogs.com/jycjy/p/11421764.html