SQL IF ELSE structure.

Category : ADO / SQL

IF 
(SELECT COUNT(*) FROM Production.Product WHERE Name LIKE 'Touring-3000%' ) > 5
BEGIN
   SET @BikeCount = 
        (SELECT COUNT(*) 
         FROM Production.Product 
         WHERE Name LIKE 'Touring-3000%');
   SET @AvgWeight = 
        (SELECT AVG(Weight) 
         FROM Production.Product 
         WHERE Name LIKE 'Touring-3000%');
   PRINT 'There are ' + CAST(@BikeCount AS varchar(3)) + ' Touring-3000 bikes.'
   PRINT 'The average weight of the top 5 Touring-3000 bikes is ' + CAST(@AvgWeight AS varchar(8)) + '.';
END
ELSE 
BEGIN
SET @AvgWeight = 
        (SELECT AVG(Weight)
         FROM Production.Product 
         WHERE Name LIKE 'Touring-3000%' );
   PRINT 'Average weight of the Touring-3000 bikes is ' + CAST(@AvgWeight AS varchar(8)) + '.' ;
END ;
GO

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