SQL Local Variables
SQL
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USE pubs GO
DECLARE @firstname varchar(20) SELECT @firstname = au_fname FROM authors WHERE au_lname = 'Greene' SELECT @firstname -- Return the first name as a result SELECT @firstname = au_fname FROM authors WHERE au_lname = 'Ben-Gan' SELECT @firstname -- Return the first name as a result GO
DECLARE @firstname varchar(20) SELECT @firstname = au_fname FROM authors SELECT @firstname GO
DECLARE @firstname varchar(20) SELECT @firstname = (SELECT au_fname FROM authors) SELECT @firstname GO
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