External Article

Work Around Errors in Database Web Apps

ne of the issues you face when building Web applications is handling the errors you encounter when interacting with a back-end database. I was recently working with someone to create a new Web site with SQL Server™, ActiveX® Data Objects (ADO), and ASP. Lots of little things came up that I thought were worth sharing with MIND readers, so I'll focus this column on what I learned from this experience and the solutions to many of the problems I faced.

Technical Article

Quarter of a Century Competition on P2P

P2P, the programmer's resource centre from Wrox Press, reached a milestone of 25,000 subscribers this week. To celebrate this fact, Wrox are giving away $1000 worth of books and ASPToday subscriptions in a free prize draw. For more details on how to enter, please visit: http://p2p.wrox.com/25k.asp. The draw will be made on July 16th.

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Question of the Day

Logical Operators

I have this table and data:

CREATE TABLE ProdList
(ProductID INT NOT NULL
, ProductName VARCHAR(100)
, ProductCategory VARCHAR(40)
, ProductSize VARCHAR(4)
, ProductColor VARCHAR(20)
)
GO
INSERT dbo.ProdList
  (ProductID, ProductName, ProductCategory, ProductSize, ProductColor)
VALUES
  (1, 'Dirt Bike', 'Bike', '26', 'Blue'),
  (2, 'Mtn Bike', 'Bike', '26', 'Red'),
  (3, 'Dirt Bike', 'Bike', '24', 'Blue'),
  (4, 'Downhill', 'Ski', '180', 'White'),
  (5, 'Telemark', 'Ski', '175', 'Blue'),
  (6, 'Snowboard', 'Ski', '182', 'Various'),
  (7, 'Goggles', 'Ski', 'L', 'Clear')
How many rows are returned from this code:
SELECT productid, pl.ProductName
 FROM dbo.ProdList AS pl
 WHERE pl.ProductCategory = 'Bike'
 OR pl.ProductCategory = 'Ski'
 AND pl.ProductColor = 'Red'

See possible answers