You can go to www.mysql.com and download the current version of MySQL. There are implementations for Windows and most varieties of Linux. You will need to create your own database. This is very simple to do: once inside MySQL, just execute "create database < databasename>;". This may not cover everything you need, however, for which reason you might want to consult the MySQL 5.7 reference manual at https://dev.mysql.com/doc/refman/5.7/en/. This contains a tutorial, which you might find helpful.
You are given a database schema, including a set of integrity constraints, and asked to implement and use this schema in the MySQL RDMS. Given that an empty database has been created, this entails creating the necessary tables, initializing them with some test data, and executing a variety of queries.
You are also asked to draw the associated ER model. This admittedly is doing things a bit in reverse, since the normal procedure is to create the ER model first, and then use this to produce the database schema. A problem with this is that there is more than one way to do the latter, and we want to be sure that everyone works with the same schema.
A real estate multiple listing service (MLS) keeps track of the houses and business properties for sale, the real estate agents that posts the listing to the database, and the potential buyers that are working with the agents. Houses and business properties are kinds of property. A listing entry shows information about the house or business property and the agent that posted the listing. Each agent works for a real estate firm. Buyers who are looking for houses or business properties work with a real estate agent who has access to the MLS. Following is an analysis of the information requirements and integrity constraints.
1) Property: Has an address, owner's name, and price.
2) House: Inherits the information required by a property and in addition has the number of bedrooms, number of bathrooms, and size in square feet. Make the House address a foreign key reference to a Property address.
3) Business Property: Inherits the information required by a property and in addition has the type of business, e.g., gas station, store front, office space, etc., and the size in square feet. Make the Business Property address a foreign key reference to a Property address.
4) Agent: Has an id, a name and phone number. An agent's employment record contains the date when his/her employment started.
5) Firm: Has an id, a name, and an address.
6) Buyer: Has an id, a name, a phone number, and a set of preferences consisting of the type of property in which the buyer is interested (house or business property) and, if a house, the desired number of bedrooms and bathrooms, and, if a business, the desired type of business property, and, for either a house or business property, the desired price range.
7) Listing: Has an MLS number, the property address, the agent's id, and the date the listing was posted. The MLS number serves as an id.
1) A property is identified by its address.
2) A property can be listed by at most one agent.
3) No two listings can have the same MLS number.
4) An agent works for one, and only one, firm.
1) Insert sufficiently many records into your tables to return at least 1 record for each of the queries below.
2) In any case, insert at least 5 records into each table.
3) Indicate the primary keys, foreign keys, and any non-null fields appropriately.
1) An ER diagram which translates into this schema.
2) A MySQL script file that creates the tables that implement the given relation schemas and populates these tables with test data according to the instructions given above.
3) A MySQL script file containing SQL instructions that implement the queries described below.
4) A document showing the output resulting from each of the ten queries shown below.
1) Find the addresses of all houses currently listed.
2) Find the addresses and MLS numbers of all houses currently listed.
3) Find the addresses of all 3-becroom, 2-bathroom houses currently listed.
4) Find the addresses and prices of all 3-bedroom, 2-bathroom houses with prices in the range $100,000 to $250,000, with the results shown in descending order of price.
5) Find the addresses and prices of all business properties that are advertised as office space in descending order of price.
6) Find all the ids, names and phones of all agents, together with the names of their firms and the dates when they started.
7) Find all the properties currently listed by agent with id "001" (or some other suitable id).
8) Find all Agent.name-Buyer.name pairs where the buyer works with the agent, sorted alphabetically by Agent.name.
9) For each agent, find the total number of buyers currently working with that agent, i.e., the output should be Agent.id-count pairs.
10) For some buyer that is interested in a house, where the buyer is identified by an id (e.g., "001"), find all houses that
This part needs to be written in about 2-3 sentences what you plan on doing.
Develop either a stand-alone software package or a website that interacts with your database, using whatever programming language or web technology that you wish. Your program or website should be able to do as much as possible of the following:
1. Display all listings and their associated property info. Break out separate lists for houses and business properties.
2. Search houses based on price range, number of bedrooms, and number of bathrooms.
3. Search business properties based on price range and range of size in square feet.
4. Display all agents and their associated info.
5. Display all buyers and their associated info, including preferences.