Sample Value 211348 AA-E3422QW 1 Rotary sander 211 NeverFail, Inc. Sample Value 211347 AA-E3422QW 1 Rotary sander 211 NeverFail, Inc. Table P6.3 Sample INVOICE Records Attribute Name INV_NUM PROD_NUM SALE_DATE PROD_LABEL VEND_CODE VEND_NAME QUANT_SOLD PROD_PRICE Using the INVOICE table structure shown in Table P6.3, do the following: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure P6.1 into a dependency diagram that is in at least 3NF.ģ. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table.įigure Q6.8 Prescription dependency diagramġ. The dependency diagram in Figure Q6.8 indicates that a patient can receive many prescriptions for one or more medicines over time. Create a database whose tables are at least in 3NF, showing the dependency diagram for each tableĨ. Based on the dependency diagram, create a database whose tables are at least in 2NF, showing the dependency diagram for each table. The amount of the royalty can vary by author, by book, and by edition of the book.įigure Q6.7 Book royalty dependency diagramĪ. The dependency diagram in Figure Q6.7 indicates that authors are paid royalties for each book that they write for a publisher. Create a database whose tables are at least in 3NF, showing the dependency diagrams for each table.ħ. Create a database whose tables are at least in 2NF, showing the dependency diagrams for each table. Identify and discuss each of the indicated dependencies. Given the dependency diagram shown in Figure Q6.6, answer items 6a-6c:įIGURE Q5.6 Dependency Diagram for Question 6Ī.
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