时间:2021-07-01 10:21:17 帮助过:12人阅读
(2)处理数字:
to_char(number,‘格式‘);
select to_char(88877) from dual;
select to_char(1234567890,‘099999999999999‘) from dual;
select to_char(12345678,‘999,999,999,999‘) from dual;
select to_char(123456,‘99.999‘) from dual;
select to_char(1234567890,‘999,999,999,999.9999‘) from dual;
(3)to_char(salary,‘$99,99‘);
select TO_CHAR(123,‘$99,999.9‘) from dual;
(4)用于进制转换:将10进制转换为16进制;
select to_char(4567,‘xxxx‘) from dual;
select to_char(123,‘xxx‘) from dual;
例子:
1 //// to_char 例子 2 输入 输出 3 to_char(now(),‘Day, HH12:MI:SS‘) ‘Tuesday , 05:39:18‘ 4 to_char(now(),‘FMDay, HH12:MI:SS‘) ‘Tuesday, 05:39:18‘ 5 to_char(-0.1,‘99.99‘) ‘ -.10‘ 6 to_char(-0.1,‘FM9.99‘) ‘-.1‘ 7 to_char(0.1,‘0.9‘) ‘ 0.1‘ 8 to_char(12,‘9990999.9‘) ‘ 0012.0‘ 9 to_char(12,‘FM9990999.9‘) ‘0012‘ 10 to_char(485,‘999‘) ‘ 485‘ 11 to_char(-485,‘999‘) ‘-485‘ 12 to_char(485,‘9 9 9‘) ‘ 4 8 5‘ 13 to_char(1485,‘9,999‘) ‘ 1,485‘ 14 to_char(1485,‘9G999‘) ‘ 1 485‘ 15 to_char(148.5,‘999.999‘) ‘ 148.500‘ 16 to_char(148.5,‘999D999‘) ‘ 148,500‘ 17 to_char(3148.5,‘9G999D999‘) ‘ 3 148,500‘ 18 to_char(-485,‘999S‘) ‘485-‘ 19 to_char(-485,‘999MI‘) ‘485-‘ 20 to_char(485,‘999MI‘) ‘485‘ 21 to_char(485,‘PL999‘) ‘+485‘ 22 to_char(485,‘SG999‘) ‘+485‘ 23 to_char(-485,‘SG999‘) ‘-485‘ 24 to_char(-485,‘9SG99‘) ‘4-85‘ 25 to_char(-485,‘999PR‘) ‘<485>‘ 26 to_char(485,‘L999‘) ‘DM 485 27 to_char(485,‘RN‘) ‘ CDLXXXV‘ 28 to_char(485,‘FMRN‘) ‘CDLXXXV‘ 29 to_char(5.2,‘FMRN‘) V 30 to_char(482,‘999th‘) ‘ 482nd‘ 31 to_char(485, ‘"Good number:"999‘) ‘Good number: 485‘ 32 to_char(485.8,‘"Pre-decimal:"999" Post-decimal:" .999‘) ‘Pre-decimal: 485 Post-decimal: .800‘ 33 to_char(12,‘99V999‘) ‘ 12000‘ 34 to_char(12.4,‘99V999‘) ‘ 12400‘ 35 to_char(12.45, ‘99V9‘) ‘ 125‘
Oracle的to_char()函数使用
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