About

Pritam is the director of Perfecist Technologies and an alumnus of IIT Kharagpur. He qualified GATE-13 with percentile 99.93 . He also possess more than 3 years of industry experience of working for services based companies like TCS, AZRI Solutions & Enova Technologies.

Role

Alma Mater:

M. Tech.
IIT Kharagpur
2013 to 2015
B. E.
University Institute of Technology, RGPV, Bhopal
2007 to 2011

Experience:

Director
Perfecist Technologies
2015
Application Developer
Azri Solutions
2012 to 2013
Business Analyst
Tata Consultancy Services (TCS)
2011 to 2012
Web Developer
E-nova Technologies, Okhla, New Delhi
2009 to 2010
Tech
Multichoice
2 days 16 hours ago

Very nice question. Must attempt.

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Tech
Video lecture
1 week 1 day ago

What id fork(), How it works, An example

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Answer
1 week 4 days ago

Department (Did, Dname)
Designation (DEid, DEname)
Employee (Eid, Name, ..., Did, DEid)

Here department and designation are two tables having information about department and employees.

The table employee will refer the above two tables and with the foriegn key Did and DEid.

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Video lecture
2 weeks 6 days ago

Yes Suman, That way a writing mistake. I corrected it in the later part of the video.

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7 Jan 2017 - 3:16pm

Department (Did, Dname)
Designation (DEid, DEname)
Employee (Eid, Name, ..., Did, DEid)

Here department and designation are two tables having information about department and employees.

The table employee will refer the above two tables and with the foriegn key Did and DEid.

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6 Dec 2016 - 10:08am

For each entity, you just need to check the attributes which are underlined.
For example: For the entity Product the candidate key would be productID.

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27 Oct 2016 - 12:11am

Binary search is beneficial when we have constant time access to the element. Here array gives constant time access.

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26 Oct 2016 - 9:27pm

The straight forward answer to your question would be "NO"

As per the rule "If you have atleast one α for RHS then fill the other iff for all the LHS attribute you have α".

As there is no α for any attribute in RHS, we can not put another α.

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26 Oct 2016 - 9:05pm

@arjunsinghra, Nice and clear answer.

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26 Oct 2016 - 10:28am

You need to insert elements in B tree with an intension to create maximum unbalance.

As the order given is 4, a node can not have more that 4 children and hance it can not hold more than three keys.

Please proceed in this direction. After each split, focus on inserting keys in only one node.

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23 Oct 2016 - 5:26pm

@vinayroack , you are absolutely correct. D -> B is a redudent functional dependency. We should remove it first.

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4 Oct 2016 - 2:50pm

Ex-OR expression: AB' + A'B  |  (A+B).(A'+B')
ExNOR expression: A.B + A'B'  |  (A+B')(A'+B)

Now take complement of one and see if you are getting other ?

Eventually you will get it TRUE.

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Rather than studying multiple books, I would suggest to study one book multiple times. Focus on the topics from which questions are asked freequently. 

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