Oracle SQL: TO_CHAR and TO_NUMBER 笔记
(6)
select TO_CHAR(123.56,'999.99') from dual; will return 123.56
select TO_NUMBER(123.56,'999.99') from dual; will return 123.56
(6)
select TO_CHAR(123.56,'999.99') from dual; will return 123.56
select TO_NUMBER(123.56,'999.99') from dual; will return 123.56