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Discussion: "Preparing an Adequate Data Model"
Respond to the following:
• Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.
Create the RDM with appropriate attributes, based on the newly added entities created by you. List the business rules and constraints that apply to the business case as outlined.
Create a database using professional principles and standards. Use a relational database software application to develop a database implementing the logical design into a physical design
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
Describe how you created the conceptual and process view for all four (4) diagrams. In the description, be sure to provide a justification for each key decision in the design.
This course is for those in a management capacity, or those interested in management, involving the strategic consideration of software acquisition, development and project management.
Psy 2317 Data Analysis Project- Perform the statistical procedures necessary to develop and document a conclusion about the mean differences between the two groups. Graph the mean performance of the two groups on graph paper.
Over time computers have evolved from room-sized machines to hand-held devices. What has been the impact of this evolution?
q 1 name 3 common vulnerabilities in web applications. how does a company protect against these vulnerabilities?q 2
How would you describe general SCADA systems and architecture? What is an example of a SCADA system (e.g. a water treatment SCADA system)?. Draw a diagram. What are PLCs and Sensors used in SCADA systems?
COMP 1005 - Design the logical structure of a database using Entity-Relationship diagram and Apply normalization techniques to reduce redundancy in a database
In the following project, you will revise a table that is to be used as a data source in a mail merge. As the business manager for Sports Medicine Clinic, you will send letters of welcome to three newly hired physical therapists
Design an er schema for keeping track of information about votes taken in the U.S. House of Representatives during the current two year congressional session.
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