convert dd-mm-yyyy to dd-mmm-yyyy in sql server code example

Example 1: SQL query to convert DD/MM/YYYY to YYYY-MM-DD

SELECT CONVERT(varchar(10), CONVERT(date, '13/12/2016', 103), 120)

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/