This is a pretty popular and interesting question. I guess anybody who knows Siebel architecture (Layered Architecture not Server Architecture) properly should be able to answer it. But truth is that most of the people I have interviewed have given a wrong answer of this question. Even people have 2 years of experience have got it wrong.

The question is something like this.

I have a search spec on applet which says [Type] = “A” and I have Search Spec on BC which says [Type] =”B”. Now what records will be visible to me on UI?

Before looking at the answer of this question I would like you to have a thought on this and answer it to yourself and see if you can get it right. Having a guess is not sufficient you should also give the reason for your answer.

[poll=3]


Answer to above question is
None

Explaination:

We all know about 3 layered architecture of Siebel.

Database is going to fetch all the records which will reach business layer. Here Search Spec of the BC will filter the records with Type B and only records with Type A will be allowed to reach next layer that is UI layer. Here the search spec of applet will come into picture and records with Type A are going to get filtered which means that number of records reaching to user will be ZILCH :)

In other words search spec on Applet and BC takes AND operator and the where clause in SQL is going to be Where type = ‘A’ and type = ‘B’ which will always return zero records hence no records on UI

Hope that helps :)

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