Update readme.rst

readme.rst

@@ -1,6 +1,66 @@
 ###################
 What is CodeIgniter
 ###################
+the Database required for this application 
+-- Users table
+CREATE TABLE users (
+    user_id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) NOT NULL,
+    email VARCHAR(100) NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Forms table
+CREATE TABLE forms (
+    form_id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT,
+    title VARCHAR(255) NOT NULL,
+    description TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES Users(user_id)
+);
+
+-- Questions table
+CREATE TABLE questions (
+    question_id INT AUTO_INCREMENT PRIMARY KEY,
+    form_id INT,
+    question_text TEXT NOT NULL,
+    question_type ENUM('multiple_choice', 'checkbox', 'short_answer') NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (form_id) REFERENCES Forms(form_id)
+);
+
+-- Options table
+CREATE TABLE options (
+    option_id INT AUTO_INCREMENT PRIMARY KEY,
+    question_id INT,
+    option_text VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (question_id) REFERENCES Questions(question_id)
+);
+
+-- Responses table
+CREATE TABLE responses (
+    response_id INT AUTO_INCREMENT PRIMARY KEY,
+    form_id INT,
+    user_id INT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (form_id) REFERENCES Forms(form_id),
+    FOREIGN KEY (user_id) REFERENCES Users(user_id)
+);
+
+-- Response_Answers table
+CREATE TABLE response_answers (
+    answer_id INT AUTO_INCREMENT PRIMARY KEY,
+    response_id INT,
+    question_id INT,
+    answer_text TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (response_id) REFERENCES Responses(response_id),
+    FOREIGN KEY (question_id) REFERENCES Questions(question_id)
+);
+
 
 CodeIgniter is an Application Development Framework - a toolkit - for people
 who build web sites using PHP. Its goal is to enable you to develop projects