1. Some websites will have hierarchical display of items. (For eg, on click of a �+� symbol, all items under this item gets listed.). How do you store such structure in database (Note: You can store as XML object. But how do you store in database tables without using XML) ?2. explain 3GL ?

Interview Candidate
Apr 25th, 2006
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Preeti Yadav
Profile Answers by Preeti Yadav Questions by Preeti Yadav

Apr 26th, 2006

This sort of data is stored in the database with the fields like parent_id, record_id, where both the ids are used refer to the structure u want.

Arpit

Apr 29th, 2006

hey thats + and data listing is magic of java script . i did the same.here i can give u one hint
click here(place one image here)
arpit
logic should be some wat like this.data base need not to bother abt such presentation logic

kuma

Jun 25th, 2006

You can use the Java script and ID to put this kind of stuff in websites, there is no need to store the special datas in database ie no need to combine the database for this.