sql server - convert string format yyyy-mm-dd to dd/mm/yyyy -

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ive got issue converting string field in ms sql table desired date format.

previously have used 

convert(date,c.inp_date ,103)

but gives me error 

[err] 22007 - [sql server]conversion failed when converting date and/or time character string.

two sample records have 2013-09-18 , 2013-09-18 17:17:32.0000000 receive import via mysql. need these converted dd/mm/yyyy time applicable.

any gurus out there appreciated :)

declare @a varchar(50) = '2013-09-18' , @b varchar(50) = '2013-09-18 17:17:32.0000000'  select convert(varchar(10),cast(@a date),103)  , convert(varchar(10),cast(@b date),103)

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