Database searching

Thats quite a broad question, Internet searching for example is a database but generally it uses a spider to grab the data then store it in a database.
 
Users trying to retrieve data are very direct: ?I want to find XYZ.? Users trying to retrieve documents are indirect: ?I want to know about XYZ.?
 
When retrieving data, access speed depends on the hardware and client-server situation; faster hardware and links mean faster data retrieval. When retrieving documents, access speed depends on how many decisions and guesses the user has to make to find the right document.
 
When data retrieval yields zero or no useful results, it probably means that the data don?t exist. When document retrieval yields zero or no useful results, it may mean that the user didn?t write the query correctly.
 
yes cpengineer is right. You can't dictate online what form the data of your result will be unles you are using a database. hence the trend towards seo maxmzation and utilization of style sheets and other congruencies.

you can "feel lucky" but that won't return empirically valid results.
 
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