Conversion Functions
TO_NUMBER:- It is used to convert the character value to number datatype.
Syn:- TO_NUMBER(‘value’);
Ex:- select to_number(‘20’)+to_number(‘30’) from dual;
TO_CHAR:- It is used to convert the number datatype value to chardatatype value.
Syn:- TO_CHAR(value);
Ex:- select to_char(20)+to_char(30) from dual;
Select to_char(sysdate,’month dd,yy’) from dual;
Select eno,to_char(mydat,’dd-mm-yy’) from employ4
Select eno,to_char(mydat,’ddth-mon-yy’) from employ4;
Select eno,to_char(mydat,’ddsp’) from employ4;
Select eno,to_char(mydat,’ddspth’) from employ4;
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