動的SQLで（変数を設定して）値を返す方法は？

Question

DECLARE @sqlCommand nvarchar(1000) 

DECLARE @countnumber int = 0 

SET @sqlCommand = 'Set @countnumber = (SELECT count(*) from dsnv)' 

EXEC (@sqlCommand) 

print @countnumber ; 

しかし、私は、出力パラメータでエラー

Answer 1

使用sp_executesqlをを取得

DECLARE @countnumber int = 0 

SET @sqlCommand = 'Set @countnumber = (SELECT count(*) from dsnv)' 

exec sp_executesql @sqlCommand, N'@countnumber int OUTPUT', @countnumber OUTPUT 

print @countnumber ;