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List the functional dependencies in the following table that concerns invoicing (an application Premiere Products in considering adding to its database), subject to the specified conditions. For a given invoice (identified by the InvoiceNum), there will be a single customer. The customer's number, name, and complete address appear on the invoice, as does the data. Also, there may be several different parts appearing on the invoice. For each part that appears, display the part number, description, price, and number shipped. Each customer that orders a particular part pays the same price. Convert this table to an equivalent collection of tables that are in third normal form.Invoice  (InvoiceNum, CustomerNum, LastName, FirstName, Street, City, State, Zip, Date, (PartNum, Description, Price, NumShipped)).
Create a database design specification Enhanced Entity Relationship Diagram (EERD) and Relational Data Model from the given business description - Database Management System
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Compare activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Write down the advantages and inconveniences of new relational scheme.
How many entities are shown by this relation?
When increasing cardinalities from 1:N to N:M, which of the given steps are included in process the order of steps listed below is not relevant, only steps themselves?
What is meant by a Metadata? How does this term pertain to a database? Write down advantage is there in storing metadata in tables?
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
You are interested in analyzing some hard-to-obtain data from two separate databases. Each database contains n numerical values.
Design the Update trigger on Part table which raises an error string if Count field of updated row has a higher value than value prior to Update.
Using Microsoft Access, prepare a database and save it as Acme Inc. Prepare the following tables: Employees and Products. Field names for Employees table are first name,
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
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