format for mm/dd/yyyy SQL' code example
Example 1: sql convert date to string yyyy-mm-dd
select CONVERT(char(10), GetDate(),126)
/* 2020-12-23 */
Example 2: sql server date format yyyy-mm-dd
convert(varchar, [column_date], 20) --(date or datetime) to yyyy-MM-dd HH:mm:ss
convert(varchar, [column_date], 23) --(date or datetime) to yyyy-MM-dd
--ref https://www.mssqltips.com/sqlservertip/1145/date-and-time-conversions-using-sql-server/