How to format datetime & date in Sql Server

SELECT convert(varchar, getdate(), 100) – mon dd yyyy hh:mmAM (or PM)
                                      – Oct  2 2008 11:01AM          
SELECT convert(varchar, getdate(), 101) – mm/dd/yyyy - 10/02/2008                  
SELECT convert(varchar, getdate(), 102) – yyyy.mm.dd – 2008.10.02           
SELECT convert(varchar, getdate(), 103) – dd/mm/yyyy
SELECT convert(varchar, getdate(), 104) – dd.mm.yyyy
SELECT convert(varchar, getdate(), 105) – dd-mm-yyyy
SELECT convert(varchar, getdate(), 106) – dd mon yyyy
SELECT convert(varchar, getdate(), 107) – mon dd, yyyy
SELECT convert(varchar, getdate(), 108) – hh:mm:ss
SELECT convert(varchar, getdate(), 109) – mon dd yyyy hh:mm:ss:mmmAM (or PM)
                                      – Oct  2 2008 11:02:44:013AM   
SELECT convert(varchar, getdate(), 110) – mm-dd-yyyy
SELECT convert(varchar, getdate(), 111) – yyyy/mm/dd
SELECT convert(varchar, getdate(), 112) – yyyymmdd
SELECT convert(varchar, getdate(), 113) – dd mon yyyy hh:mm:ss:mmm
                                      – 02 Oct 2008 11:02:07:577     
SELECT convert(varchar, getdate(), 114) – hh:mm:ss:mmm(24h)
SELECT convert(varchar, getdate(), 120) – yyyy-mm-dd hh:mm:ss(24h)
SELECT convert(varchar, getdate(), 121) – yyyy-mm-dd hh:mm:ss.mmm
SELECT convert(varchar, getdate(), 126) – yyyy-mm-ddThh:mm:ss.mmm
                                      – 2008-10-02T10:52:47.513
– SQL create different date styles with t-sql string functions
SELECT replace(convert(varchar, getdate(), 111), ‘/’, ‘ ‘) – yyyy mm dd
SELECT convert(varchar(7), getdate(), 126)                 – yyyy-mm
SELECT right(convert(varchar, getdate(), 106), 8)          – mon yyyy