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Assume that a student table in a university database has an index on StudentID (the primary key). and additional indexes on Major, Age, Marital status, and HomeZipCode.
Further, assume that the university wanted a list of students majoring in computer science, over the age of 25, and Married.
How could indexes be used so that only records that satisfy the qualification are accessed?
What are the uses the above Index used?
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms
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.
Use the three-sphere model for systems management and brainstorm issues related to the change based on the business, technology, and organization spheres.
MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.
Create a 2-3 page (350 words per page) examining the use of databases in organization. Explain what database applications are utilized (Microsoft Access, DB2, Oracle, etc.).
To what kind of list would you change it? What would you require to change about content in order for new list type to be effective for purpose of list?
Write a SELECT statement that returns three columns: InvoiceTotal From the Invoices table, 10% 10% of the value of InvoiceTotal.
Create a Data Warehouse conceptual design using Star Schema Modelling and document all steps during the design process
Suggest how to implement direct-address table in which keys of stored elements don't require to be distinct and elements can have satellite data.
First construct a Data Warehouse Bus Matrix to identify the company's business processes and any likely Data Marts and design the star schema for any Data Marts you have identified.
Use the results of the transcripts of an interview with IT consultant. Prepare a Fully Attributed Data Model. Add the data attributes for each entity."
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
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