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10_stored_routines_as_functions/script.sql

@@ -1 +1,64 @@
--- Write your SQL code here
+-- Write your SQL code here
+
+--Function to calculate customer lifetime value
+DELIMITER //
+
+CREATE FUNCTION CalculateCustomerLifetimeValue(customerID INT)
+RETURNS DECIMAL(10,2)
+DETERMINISTIC
+BEGIN
+    DECLARE total_spent DECIMAL(10,2);
+    DECLARE total_purchases INT;
+
+    --Calculate total spent by the customer
+    SELECT SUM(Purchase_Amount) INTO total_spent
+    FROM Purchase p
+
+    JOIN Purchase_Details pd ON p.Purchase_ID = pd.Purchase_ID
+
+    WHERE p.Customer_ID = customer_id;
+
+    --calculate total purchases made by the customer
+    SELECT COUNT(p.Purchase_ID) INTO total_purchases
+
+    FROM Purchase p
+
+    WHERE p.Customer_ID = customer_id;
+
+    --Calculate customer lifetime value
+    RETURN IF(total_purchases > 0, total_spent / total_purchases, 0);
+END //
+
+DELIMITER;
+
+-- Function to Calculate Infrastructure Efficiendy
+DELIMITER //
+
+CREATE FUNCTION CalculateInfrastructureEfficiency(infrastructure_id INT)
+RETURNS DECIMAL(5,2)
+DETERMINISTIC
+BEGIN
+    DECLARE total_capacity INT;
+    DECLARE used_resources INT;
+
+    --Calculate total capacity of the infrastructure
+    SELECT ic.Capacity INTO total_capacity
+
+    FROM Infrastructure i
+
+    JOIN Infrastructure_Capacity ic ON i.Infrastructure_ID = ic.Infrastructure_ID
+
+    WHERE i.Infrastructure_ID = infrastructure_id;
+
+    --calculate number of used resources
+    SELECT COUNT(r.Resource_ID) INTO used_resources
+
+    FROM Resource r
+
+    WHERE r.Infrastructure_ID = infrastructure_id;
+
+    --calculate Infrastructure efficiency
+    RETURN IF(total_capacity > 0, (used_resources / total_capacity) * 100, 0);
+END //
+
+DELIMITER;

11_views/script.sql

@@ -1 +1,51 @@
--- Write your SQL code here
+-- Write your SQL code here
+--view 1: CustomerInsightDashboard
+CREATE VIEW CustomerInsightDashboard AS
+SELECT
+    c.Customer_ID,
+    c.Customer_Name,
+    c.Email,
+    c.Phone,
+    SUM(pd.Purchase_Amount) AS Total_Spent,
+    COUNT(p.Purchase_ID) AS Total_Purchases,
+    AVG(pd.Purchase_Amount) AS Average_Spent,
+    CASE 
+        WHEN SUM(pd.Purchase_Amount) >= 1000 THEN 'High Value'
+        WHEN SUM(pd.Purchase_Amount) BETWEEN 500 AND 999 THEN 'Medium Value '
+        ELSE 'Low Value'
+    END AS Customer_Segment
+    MAX(p.Purchase_Date) AS Last_Purchase_Date
+FROM
+    Customers c
+LEFT JOIN Purchases p ON c.Customer_ID = p.Customer_ID
+
+LEFT JOIN PurchaseDetails pd ON p.Purchase_ID = pd.Purchase_ID
+
+GROUP BY c.Customer_ID, c.Customer_Name, c.Email, c.Phone;
+
+
+--view 2: InfrastructureMonitoringDashboard
+CREATE VIEW InfrastructureMonitoringDashboard AS
+SELECT
+    i.Infrastructure_ID,
+    i.Infrastructure_Type,
+    il.Location,
+    1c.Capacity,
+    COUNT(r.Resource_ID) AS Used_Resources,
+    (ic.Capacity - COUNT(r.Resource_ID)) AS Available_Capacity,
+    CASE 
+        WHEN (ic.Capacity - COUNT(r.Resource_ID)) <(ic.Capacity * 0.1)  THEN  'Critical'
+        WHEN (ic.Capacity - COUNT(r.Resource_ID)) <(ic.Capacity * 0.3)  THEN  'Warning'
+        ELSE  'Normal'
+    END AS Capacity_Status
+    AVG(r.Performance_Metric) AS Average_Performance
+
+FROM Infrastructure i
+
+JOIN Infrastructure_Location il ON i.Infrastructure_ID = il.Infrastructure_ID
+
+JOIN InfrastructureCapacity ic ON i.Infrastructure_ID = ic.Infrastructure_ID
+
+LEFT JOIN Resources r ON i.Infrastructure_ID = r.Infrastructure_ID
+
+GROUP BY i.Infrastructure_ID, i.Infrastructure_Type, il.Location, ic.Capacity;

12_database_transactions/script.sql

@@ -1 +1,23 @@
--- Write your SQL code here
+-- Write your SQL code here
+START TRANSACTION;
+-- Insert a new customer
+INSERT INTO Customer (Customer_ID, Customer_Name, Customer_Address, Contact_Information) VALUES
+(001, 'Jin woe', 'Tokyo', '011234444');
+
+-- Get the ID of the newly inserted customer
+SET @NewCustomerID = LAST_INSERT_ID();
+
+--Insert a purchase of new customer
+INSERT INTO Purchase (Purchase_ID, Customer_ID, Purchase_Date, Purchase_Amount) VALUES
+(001, @NewCustomerID, '2024-11-01', 250.00);
+
+-- Check if the transaction was successful
+IF ROW_COUNT() = 2 THEN
+    -- If successful, commit the transaction
+    COMMIT;
+    SELECT 'Transaction Successful'.AS Message;
+ELSE
+    -- If not successful, rollback the transaction
+    ROLLBACK;
+    SELECT 'Transaction Failed. Changes have been rolled back'.AS Message;
+END IF;

1_database/script.sql

@@ -1 +1,3 @@
--- Write your SQL code here
+-- Write your SQL code here
+CREATE DATABASE vodacom;
+USE vodacom;

2_base_tables/script.sql

@@ -1 +1,62 @@
--- Write your SQL code here
+-- Write your SQL code here
+--Network Device table
+CREATE TABLE Network_Device(
+    Device_ID INT PRIMARY KEY,
+    Device_Type VARCHAR(50),
+    IP_address VARCHAR(15) UNIQUE,
+    Location VARCHAR(50)
+) ENGINE=INNODB;
+--Server Table
+CREATE TABLE Server(
+    Server_ID INT PRIMARY KEY,
+    Server_Type VARCHAR(50),
+    Operating_System VARCHAR(50),
+    Storage_Capacity INT
+) ENGINE=INNODB;
+
+--Infrastructure Table
+CREATE TABLE Infrastructure(
+    Infrastructure_ID INT PRIMARY KEY,
+    Infrastructure_Type VARCHAR(50),
+    Location VARCHAR(100),
+    Capacity INT
+) ENGINE=INNODB;
+
+--Purchase Table
+CREATE TABLE Purchase(
+    Purchase_ID INT PRIMARY KEY,
+    Customer_ID INT,
+    Purchase_Date DATE,
+    Purchase_Amount DECIMAL(10,2)''
+    FOREIGN KEY (Customer_ID) REFERENCES Customer(Customer_ID)
+) ENGINE=INNODB;
+
+--Sales Report Table
+CREATE TABLE Sales_Report(
+    Sales_ID INT PRIMARY KEY,
+    Purchase_Date DATE,
+    Purchase_Amount DECIMAL(10,2),
+    FOREIGN KEY (Customer_ID) REFERENCES Customer(Customer_ID)
+) ENGINE=MyISAM;
+
+--Employee Table
+CREATE TABLE Employee(
+    Employee_ID INT PRIMARY KEY,
+    Employee_Name VARCHAR(50),
+    Department_ID VARCHAR(50),
+    FOREIGN KEY (Department_ID) REFERENCES Department(Department_ID)
+) ENGINE=INNODB;
+
+--Department Table
+CREATE TABLE Department(
+    Department_ID INT PRIMARY KEY,
+    Department_Name VARCHAR(100),
+) ENGINE=INNODB;
+
+--Customer Table
+CREATE TABLE Customer(
+    Customer_ID INT PRIMARY KEY,
+    Customer_Name VARCHAR(1000),
+    Customer_Address VARCHAR(255),
+    Contact_Information VARCHAR(15)
+) ENGINE=INNODB;

3_normal_triggers/script.sql

@@ -1 +1,25 @@
--- Write your SQL code here
+-- Write your SQL code here
+DELIMITER //
+CREATE TRIGGER UpdateCustomerInfo
+BEFORE UPDATE ON Customer
+FOR EACH ROW
+BEGIN
+    IF @is_authorized_user IS NULL OR @is_authorized_user = 0 THEN
+        SIGNAL SQLSTATE '45000'
+        SET MESSAGE_TEXT = 'You are not authorized to update customer information';
+    END IF;
+
+END; //
+DELIMITER ;
+
+DELIMITER //
+CREATE TRIGGER ValidatePurchaseDataBeforeInsert
+BEFORE INSERT ON Purchase
+FOR EACH ROW
+BEGIN
+    IF NEW.Purchase_Date > CURDATE() THEN
+        SIGNAL SQLSTATE '45000'
+        SET MESSAGE_TEXT = 'Purchase date cannot be in the future';
+    END IF;
+END; //
+DELIMITER ;

4_check_constraints/script.sql

@@ -1 +1,9 @@
--- Write your SQL code here
+-- Write your SQL code here
+ALTER TABLE Customer
+ADD CONSTRAINT chk_CustomerID
+CHECK (Customer_ID IS NOT NULL AND
+         Customer_ID NOT IN (SELECT Customer_ID FROM Customer WHERE Customer_ID IS NULL));
+
+ALTER TABLE Purchase
+ADD CONSTRAINT chk_PurchaseAmount
+CHECK (Purchase_Amount > 0);

5_temporal_triggers/script.sql

@@ -1 +1,28 @@
--- Write your SQL code here
+-- Write your SQL code here
+SET GLOBAL event_scheduler = ON;
+
+--Event for Daily Data Backup
+CREATE EVENT DailyDataBackup
+ON SCHEDULE EVERY 1 DAY
+STARTS CURRENT_TIMESTAMP
+DO
+BEGIN
+    --Backup Product Table
+    INSERT INTO Customer_Backup SELECT * FROM Customer;
+
+    --Backup Purchase Table
+    INSERT INTO Purchase_Backup SELECT * FROM Purchase;
+END;
+
+--Event for Weekly Data Analysis
+CREATE EVENT WeeklyDataAnalysis
+ON SCHEDULE EVERY 1 WEEK
+STARTS CURRENT_TIMESTAMP
+DO
+BEGIN
+    --Calculate total purchases per customer
+    INSERT INTO Weekly_Analysis (Customer_ID, Total_Purchases)
+    SELECT Customer_ID, COUNT(*) FROM Total_Purchases
+    FROM Purchase
+    GROUP BY Customer_ID;
+END;

7_indexes/script.sql

@@ -1 +1,5 @@
--- Write your SQL code here
+-- Write your SQL code here
+CREATE INDEX idx_Device_Location ON Network_Device (Location);
+CREATE INDEX idx_Server_type ON Server (Server_Type);
+CREATE INDEX idx_Customer_Name ON Customer (Customer_Name);
+CREATE INDEX idx_Purchase_Date ON Purchase (Purchase_Date);

8_dummy_data/script.sql

@@ -1 +1,16 @@
--- Write your SQL code here
+-- Write your SQL code here
+INSERT INTO Network_Device (Device_ID, Device_Type, IP_Address,Location) VALUES
+(1, 'Router', '192.168.1.1', 'office');
+(2, 'Switch', '192.168.1.2', 'office');
+
+INSERT INTO Server (Server_ID, Server_Type, Operating_System, Storage_Capacity) VALUES
+(1, 'Web Server', 'Linux', 1000);
+(2, 'Database Server', 'Windows', 2000);
+
+INSERT INTO Customer (Customer_ID, Customer_Name, Address, Contact_Information) VALUES
+(001, 'Thiery Henry','New York', '1234567890' ),
+(002, 'David Beckham','Los Angeles', '0987654321');
+
+INSERT INTO Purchase (Purchase_ID, Customer_ID, Purchase_Date, Purchase_Amount) VALUES
+(1, 001, '2020-01-01', 150.00),
+(2, 002, '2020-01-02', 200.00);

9_stored_routines_as_procedures/script.sql

@@ -1 +1,65 @@
--- Write your SQL code here
+-- Write your SQL code here
+
+--procedure to create Infeastructure Utilization Report
+DELIMITER //
+
+CREATE PROCEDURE GenerateInfastructureUtilizationReport()
+BEGIN
+
+    --This procedure monitors infrastructure capacity utilization 
+    SELECT 
+        i.InfrastructureID,
+        i.InfrastructureType,
+        il.Location,
+        ic.Capacity
+        SUM(CASE WHEN r.Resource_ID IS NOT NULL THEN 1 ELSE 0 END) AS Used_Resources,
+        (ic.Capacity - SUM(CASE WHEN r.Resource_ID IS NOT NULL THEN 1 ELSE 0 END)) AS Available_Capacity,
+        CASE
+            WHEN(ic.Capacity - SUM(CASE WHEN r.Resource_ID IS NOT NULL THEN 1 ELSE 0 END)) < (ic.Capacity *0.1) THEN 'Critical'
+            WHEN(ic.Capacity - SUM(CASE WHEN r.Resource_ID IS NOT NULL THEN 1 ELSE 0 END)) < (ic.Capacity *0.3) THEN 'Warning'
+            ELSE 'Normal'
+        END AS Capacity_Status
+    FROM
+        Infrastructure i
+    JOIN Infrastructure_Location il ON i.InfrastructureID = il.InfrastructureID
+
+    JOIN Infrastructure_Capacity ic ON i.InfrastructureID = ic.InfrastructureID
+
+    LEFT JOIN Resource r ON i.InfrastructureID = r.InfrastructureID
+
+    GROUP BY i.InfrastructureID, i.Infrastructure_Type, ic.Capacity;
+END //
+
+DELIMITER;
+
+--procedure to Generate Customer Analytics Report
+DELIMITER //
+
+CREATE PROCEDURE GenerateCustomerAnalyticsReport()
+BEGIN
+    -- This procedure analyzes the customer purchasing behavior and segments them based on their total purchase amount
+
+    SELECT 
+        c.CustomerID,
+        c.CustomerName,
+        c.CustomerType,
+        COUNT(p.Purchase_ID) AS Total_Purchase,
+        SUM(pd.Purchase_Amount) AS Total_Spent,
+        AVG(pd.Purchase_Amount) AS AVG_Spent
+        CASE
+            WHEN SUM(pd.Purchase_Amount) > 10000 THEN 'High Value'
+            WHEN SUM(pd.Purchase_Amount) BETWEEN 500 AND 999 THEN 'Medium Value'
+            ELSE 'Low Value'
+        END AS Customer_Segement
+    FROM
+        Customer c
+    LEFT JOIN Purchase p ON c.CustomerID = p.CustomerID
+
+    LEFT JOIN Purchase_Details pd ON p.Purchase_ID = pd.Purchase_ID
+
+    GROUP BY c.CustomerID, c.CustomerName
+
+    ORDER BY Total_Spent DESC;
+END //
+
+DELIMITER;

README.md

@@ -1,3 +1,4 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/fbNyN1as)
 # BBT3104: Advanced Database Sytems Semester Project
 
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