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Yak Posting Veteran

70 Posts

Posted - 08/17/2014 :  23:52:08  Show Profile  Reply with Quote

I have a select statament:
Declare @BusColor varchar(10)

Select BusColor,
From BusDatabase
Where BusColor = @BusColor

These are what in BusDatabase:
BusColor BusDriver
Yellow Andy
Yellow Bryan
Yellow Jimmy
Blue Tony
Blue Jean

I know how to set @BusColor to either Yellow Blue but how do make the parameter will select all instead Yellow or Blue?

Thank you all


Premature Yak Congratulator

22864 Posts

Posted - 08/18/2014 :  03:48:25  Show Profile  Send madhivanan a Yahoo! Message  Reply with Quote
Your WHERE clause should be

Where (BusColor = @BusColor or @BusColor ='All')

and you need to pass 'All' as a value if you want data for all colors


Failing to plan is Planning to fail
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Yak Posting Veteran

70 Posts

Posted - 08/18/2014 :  20:27:17  Show Profile  Reply with Quote
Thank you Madhivana

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Flowing Fount of Yak Knowledge

2780 Posts

Posted - 08/19/2014 :  08:33:45  Show Profile  Reply with Quote
I used something like this before:

WHERE @BusColor in (BusColor, '%')

using a percent sign as a wildcard (since that is what it means in the SQL LIKE operator). So, if you want 'all', pass a percent sign.
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