How to add comma in number use javascript

if you need add comma in number used by javascript, you can add this function in your library

   function numberToCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}

How to add month in oracle database

in oracle database you can add month in date used ADD_MONTHS function.

select SYSDATE,ADD_MONTHS(SYSDATE,3) from DUAL;

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15-NOV-19 15-FEB-20

How to concat 2 string in oracle

You can use CONCAT function in ORACLE.