J2EE - 1. Some websites will have hierarchical display of items. (For eg, on click of a ‘+’ symbol, all ite

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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 ?

Total Answers and Comments: 3

Last Update: June 26, 2006 Asked by: ronin

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April 26, 2006 04:48:27

Preeti Yadav

Member Since: April 2006 Contribution: 30

RE: 1. Some websites will have hierarchical display of...

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.

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April 29, 2006 10:40:59

Arpit

RE: 1. Some websites will have hierarchical display of...

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

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June 25, 2006 23:38:37

kuma

RE: 1. Some websites will have hierarchical display of...

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.

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