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  Tutorial: ColdFusion Database Related Grouping Results Tutorial

ColdFusion makes it easy to select data out of a database and display it on a page. As soon as you feel good about your success in crossing the divide from static to dynamic, someone will say 'That's nice, can you group the list by author?'. Whether you a

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Grouping Results

ColdFusion makes it easy to select data out of a database and display it on a page. As soon as you feel good about your success in crossing the divide from static to dynamic, someone will say "That's nice, can you group the list by author?". Whether you are asked to group things by author, make, brand, year or whatever, ColdFusion has you covered with its grouping capabilities.

To present things in groups, we first rely on SQL to group the data before it is presented to ColdFusion. This is done with a GROUP BY or ORDER BY clause.

ColdFusion will then display grouped data by using nested CFOUTPUT tags. In both cases the outter most CFOUTPUT will indicate the QUERY and each CFOUTPUT that is used to group will use a GROUP parameter except the innermost CFOUTPUT. The code below will group authors by publisher and then group books by author.


 

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ColdFusion Database Related Grouping Results Tutorial

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