Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
This week we will see the techniques used to structure the data requirements for an information system application as the textbook and lecture notes emphasizes entity-relationship (E-R) diagramming, the most common notation used by practicing systems and data analysts. You will see how E-R diagramming is used along with process and logic modeling techniques to develop a thorough, unambiguous description of system requirements. In addition to the standard constructs of the E-R model (entities, attributes, and relationships), the data-oriented questions that should be raised during requirements determination will be discussed in our online discussions. In essence, the Conceptual Modeling process looks at how the data is structured and what the characteristics of the data are. What characteristics of data are represented in an E-R diagram?
Understand the challenges and evaluate the risks in managing the security of an information system Critically analyse using a threat and risk assessment.
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
Create a detailed ERD using the Entities and Attributes for Driver's Log document found on the Huffman Trucking Intranet site. Use Microsoft® Access® to create the preliminary
Draw a DFD (Context and Level 1) for placing an order based on the E-R diagram shown here.
optimize the query in the select script using Alter Table to add appropriate indexes. Also use Optimize and Explain to show how the performance of this query has improved.
prepare a 700 word paper discussing the case and incorporating answers to the questions below. it is important to
Explain the benefits and current trends of data warehousing and data mining and provide two (2) examples of quality companies successfully using a data warehouse to support your answer.
Design a high-level conceptual view of a data warehouse using Microsoft Visio that shows the following: Integration layers and The data warehouse
Build a database and produce a query report that shows 10 fields as in Table iamge using Microsoft Access
Create one table representing normalized design (3NF) for the important objects and their attributes in a textbook catalogue and accounting office at a university book store
using the instructions provided by your instructor install mysql and connect from netbeans. create a user account that
Choose 2 enterprises(businesses, corporations, companies, institutions) from one or more economic, organizational, institutional or industrial sector of interest to you. See the Appendix for suggestions and examples.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd