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You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL.
The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, PropertyId, RentalPrice, Size),Customer (choose appropriate attributes), Rentals (choose attributes; this relationshould describe who rents what, since when, and until when), and Payments (shoulddescribe who paid for which unit, how much, and when).
Assume that a customer canrent more than one unit (in the same or different properties) and that the same unit can be co-rented by several customers.
The relationships between entities, and the cardinality and optionality of each relationship that are described by this business rule.
Create a new database. Add tables based on the design of your entity-relationship diagram from Question 1. Make sure that you:· have the correct primary keys for each table,· add foreign keys,· choose appropriate data types for each field.Paste a scr..
Compare a use case description and an activity diagram. Devise a scenario in which you would use a case description, and devise a scenario in which you would use an activity diagram.
COMP9318 (16S2) PROJECT - you will use scikit-learn and python 3 to engineer an effective clas- sifier for an important Information Extraction task called Named Entity Recognition and
SIT103 - Database and Information Retrieval Assignment. Design the database using Extended Entity Relationship (EERD) Diagram
Consider the relation schema R(A,B,C), which has the FD B → C. If A is a can-didate key for R, is it possible for R to be in BCNF? If so, under what conditions? If not, explain why not.
Conduct a search online for tutorials about normalization. Choose three tutorials that you think best teach you about normalization.
Create a Crow's Foot ERD to include the following business rules for the ProdCocompany and Do the table exhibit referential Integrity?
Making a simple XML tree out of the given data and using Xpath to navigate through it
Create a simple view named CUST_VIEW using the book_customer table that will display the customer number, first and last name, and the state for every customer currently in the database.
Suppose that your database system has very ine?cient implementations of index structures. What kind of a design would you try in this case?
List the last name and first name of every owner located in Bowton.
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