January 1, 2003

DevX - Software Development Resource

SetWallpaper – Change or remove the desktop wallpaper

Private Declare Function SystemParametersInfo Lib “user32” Alias _ “SystemParametersInfoA” (ByVal uAction As Long, ByVal uParam As Long, _ ByRef lpvParam As Any, ByVal fuWinIni As Long) As LongConst SPI_SETDESKWALLPAPER =

DevX - Software Development Resource

The WITH CHECK OPTION option with views

SQL Server’s views are updateable, but it is possible that when you insert a new record or update an existing record, the record added or modified doesn’t logical belog to

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Retreive information about SQL Server

You may retrieve a few important information about a connection to SQL Server by querying the server through appropriate @@ global variables. For example, the following routine takes an ADO

DevX - Software Development Resource

Calculate the product of a field

The SQL language includes the SUM() aggregate function, that evaluates the sum of all the values in a given column, but it doesn’t include a PROD() function that evaluates the

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Swap the values of two columns

At times you may need to swap the values of two columns of the same SQL Server table. For example, suppose that you realized that the fname column of the