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Write a short paper describing the database underlying a small company enterprise system (e.g., Quickbooks® , Peachtree® , MYOB® , or another you have access to).
a. Does it appear to be integrated? When you change an item of data in one application, does it carry through to others? (For example, if a customer's billing address is changed, do all existing invoices reflect the change?)
b. How easy is it to set up the data relationships for the database?
c. Can you view the schema? Are subschemas supported?
d. Are there any controls in place to ensure that data relationships make sense? (For example, is referential integrity supported?)
Come up with an original example of a one to many unary relationship. Create an example model of this relationship using the MySQL Workbench data modeler.
Views are integral part of virtual private databases, yet views are utilized for many other reasons. Find out many other uses for views.
Write SQL statements that will retrieve the following data from a database, using Subqueries and Joins. Using the Northwind database, write a SQL SELECT statement that will retrieve the data for the following questions
Developing activity diagrams. (Please note that for the use case, "Buy Items", there are two scenarios, namely, "General public customer buys items" and "Contractor customer buys items". You should develop an activity diagram for each of the..
Fundamentals of Databases (IT403) - What are the drawbacks of using file system over database management system and Explain the distinctions among the terms primary key, candidate key, and super key.
Create a Data Warehouse conceptual design using Star Schema Modelling and document all steps during the design process
Create a database with at least one table with MS Access. Add drop-down lists (combo boxes), validation rules, and input masks as required.
Develop a PowerPoint slide presentation for your Database Life Cycle Project
Which of the following subnet masks would offer 30 usable subnets with a minimum of 2040 usable hosts per subnet? We have been assigned the IP address in the exhibit. Choose the best answer.
Write queries to find out the unused structures e.g. there is one Superannuation client but no Partnership clients on the starter database.
Create a company and choose a product. Use the SDLC to define an ES system that integrates TWO of the process for this product. Identified above works with the current and future system users to define and model the current business processes in det..
In the lookup workbook, create a table: with headers: Region, Metro, University, Employment, Enrollments 2. Build the table using direct sourcing from the appropriate tables to create this chart:
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