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Consider the ER diagram that you designed for the Prescriptions-R-X chain of pharmacies in Exercise 2.7. De?ne relations corresponding to the entity sets and relationship sets in your design using SQL.
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."
Identify the Functional Dependencies in R. Be sure to maximize the number of attributes on the right hand side (RHS) and minimize the number of attributes on the left hand side (LHS) of each FD. You should exclude any trivial FDs in your answer.
Sort ascending by consultant ID and Date Opened. Don't show tickets with category ID of 0. HINT: You will require to use SELECT query with an alias in builder for the column.
systems analysis and database designyou should back up your answers with theoryreferences from reliable sources - more
vehiclerentaloz data warehousevehiclerentaloz is a large chain of vehicle rental company over 500 stores distributed
Design a work breakdown structure for the task below: Designing the database, Working on the website content
The database application project (DAP) for this course consists of the creation of a fully functional Microsoft Access database application for a real client.
For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the following: (a) Identify the candidate key(s) for R. (b) Identify the best normal form that R satisfies (1NF, 2NF, 3NF, or BCNF). (c) If R is ..
Explain these situations. When would the database be more beneficial than sequential file? Is it possible for two kinds of permanent storage to be used interchangeably?
What is the cost of joining R and S using a page-oriented simple nested loops join? What is the minimum number of buffer pages required for this cost to remain unchanged?
Integrity constraint prevent from happening when data is inserted in table which contains this constraint? Let INSERT, UPDATE, and DELETE actions on both child and the parent.
fresh-mart grocery is a regional grocery chain that is developing an information system to monitor inventory levels
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