tsql - Data conversion for Max() in sql -

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Here's my query that does not refer to variable results resulting in that I'm not sure. 

  Announcements @ performance, @MaxPediodPaid int, @MaxDate daytime, @ Diaelarfebar varchar (11), @QuoteDate datetime SET @ DealRef = '140200100538136' SET @QuoteDate = GETDATE () SELECT @MaxPediodPaid = Max (period), @ Maksdet = MAX (Pedet) Pementhastik Dblyuecii Dilfrif = @ Delarf; SELECT @MaxPediodPaid, @MaxDate;

I declare variable @MaxPediodPaid and @MaxDate to int and datetime

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