Update Challenge 5 - Pub pricing analysis.md

Author: SQLicious

Challenge 5 - Pub pricing analysis.md

@@ -13,7 +13,100 @@ Here are the tables I created and used in MySQL Workbench 8.0:
 
 ## Table Creation:
 ```sql
--- SQL code to create the required tables
+USE STEEL_DATA;
+CREATE TABLE pubs (
+pub_id INT PRIMARY KEY,
+pub_name VARCHAR(50),
+city VARCHAR(50),
+state VARCHAR(50),
+country VARCHAR(50)
+);
+
+-- Create the 'beverages' table
+CREATE TABLE beverages (
+beverage_id INT PRIMARY KEY,
+beverage_name VARCHAR(50),
+category VARCHAR(50),
+alcohol_content FLOAT,
+price_per_unit DECIMAL(8, 2)
+);
+
+-- Create the 'sales' table
+CREATE TABLE sales (
+sale_id INT PRIMARY KEY,
+pub_id INT,
+beverage_id INT,
+quantity INT,
+transaction_date DATE,
+FOREIGN KEY (pub_id) REFERENCES pubs(pub_id),
+FOREIGN KEY (beverage_id) REFERENCES beverages(beverage_id)
+);
+
+-- Create the 'ratings' table 
+CREATE TABLE ratings (
+    rating_id INT PRIMARY KEY,
+    pub_id INT,
+    customer_name VARCHAR(50),
+    rating FLOAT,
+    review TEXT,
+    FOREIGN KEY (pub_id)
+        REFERENCES pubs (pub_id)
+);
+--------------------
+-- Insert sample data into the 'pubs' table
+INSERT INTO pubs (pub_id, pub_name, city, state, country)
+VALUES
+(1, 'The Red Lion', 'London', 'England', 'United Kingdom'),
+(2, 'The Dubliner', 'Dublin', 'Dublin', 'Ireland'),
+(3, 'The Cheers Bar', 'Boston', 'Massachusetts', 'United States'),
+(4, 'La Cerveceria', 'Barcelona', 'Catalonia', 'Spain');
+
+-- Insert sample data into the 'beverages' table
+INSERT INTO beverages (beverage_id, beverage_name, category, alcohol_content, price_per_unit)
+VALUES
+(1, 'Guinness', 'Beer', 4.2, 5.99),
+(2, 'Jameson', 'Whiskey', 40.0, 29.99),
+(3, 'Mojito', 'Cocktail', 12.0, 8.99),
+(4, 'Chardonnay', 'Wine', 13.5, 12.99),
+(5, 'IPA', 'Beer', 6.8, 4.99),
+(6, 'Tequila', 'Spirit', 38.0, 24.99);
+
+INSERT INTO sales (sale_id, pub_id, beverage_id, quantity, transaction_date)
+VALUES
+(1, 1, 1, 10, '2023-05-01'),
+(2, 1, 2, 5, '2023-05-01'),
+(3, 2, 1, 8, '2023-05-01'),
+(4, 3, 3, 12, '2023-05-02'),
+(5, 4, 4, 3, '2023-05-02'),
+(6, 4, 6, 6, '2023-05-03'),
+(7, 2, 3, 6, '2023-05-03'),
+(8, 3, 1, 15, '2023-05-03'),
+(9, 3, 4, 7, '2023-05-03'),
+(10, 4, 1, 10, '2023-05-04'),
+(11, 1, 3, 5, '2023-05-06'),
+(12, 2, 2, 3, '2023-05-09'),
+(13, 2, 5, 9, '2023-05-09'),
+(14, 3, 6, 4, '2023-05-09'),
+(15, 4, 3, 7, '2023-05-09'),
+(16, 4, 4, 2, '2023-05-09'),
+(17, 1, 4, 6, '2023-05-11'),
+(18, 1, 6, 8, '2023-05-11'),
+(19, 2, 1, 12, '2023-05-12'),
+(20, 3, 5, 5, '2023-05-13');
+
+-- Insert sample data into the 'ratings' table
+INSERT INTO ratings (rating_id, pub_id, customer_name, rating, review)
+VALUES
+(1, 1, 'John Smith', 4.5, 'Great pub with a wide selection of beers.'),
+(2, 1, 'Emma Johnson', 4.8, 'Excellent service and cozy atmosphere.'),
+(3, 2, 'Michael Brown', 4.2, 'Authentic atmosphere and great beers.'),
+(4, 3, 'Sophia Davis', 4.6, 'The cocktails were amazing! Will definitely come back.'),
+(5, 4, 'Oliver Wilson', 4.9, 'The wine selection here is outstanding.'),
+(6, 4, 'Isabella Moore', 4.3, 'Had a great time trying different spirits.'),
+(7, 1, 'Sophia Davis', 4.7, 'Loved the pub food! Great ambiance.'),
+(8, 2, 'Ethan Johnson', 4.5, 'A good place to hang out with friends.'),
+(9, 2, 'Olivia Taylor', 4.1, 'The whiskey tasting experience was fantastic.'),
+(10, 3, 'William Miller', 4.4, 'Friendly staff and live music on weekends.');
 ```
 ## Ad-Hoc Questions and Solutions
 ###1.	How many pubs are located in each country?