Week 1. Can we have different conceptual schema design

Added on - 13 Sep 2019

  • Dissertation

    type

  • 2

    pages

  • 230

    words

  • 170

    views

  • 0

    downloads

Showing pages 1 to 1 of 2 pages
Week 11.Can we have different conceptual schema design for the same application?2.How database design process differs from a system design process?3.What are the lessons learned when you created your first ER-diagram?4.Is ER-Model helpful in providing all the required information about theapplication for which this conceptual schema has been designed?Week 21.How helpful are the SEVEN steps provided to you for mapping ER-Schemato a Relational schema?2.Is there a situation that is not covered by the SEVEN steps provided to youfor mapping ER-Schema to a Relational schema?3.What issues you see if you have to design Relational schema without ER-Schema?Week 31.How constraints can be enforced in SQL while implementing a given schema?2.Is it fine to use too many JOIN operations in a query?3.What issues you see if you have to design Relational schema without ER-Schema?4.How can we reduce the amount of space used by query execution?Week 41.Show an example data set organized in two different ways illustrating thedifference between the application-oriented and subject-orientedorganization of data?2.Why do some organizations prefer not to create a data warehouse? What areother options?
desklib-logo
You’re reading a preview
card-image

To View Complete Document

Become a Desklib Library Member.
Subscribe to our plans

Unlock This Document