diff --git a/Backend/.env-example b/Backend/.env-example
index 18e42cd..6eefdf4 100644
--- a/Backend/.env-example
+++ b/Backend/.env-example
@@ -7,4 +7,5 @@ GROQ_API_KEY=
 SUPABASE_URL=
 SUPABASE_KEY=
 GEMINI_API_KEY=
-YOUTUBE_API_KEY=
\ No newline at end of file
+YOUTUBE_API_KEY=
+SUPABASE_JWT_SECRET=
diff --git a/Backend/schema.sql b/Backend/schema.sql
new file mode 100644
index 0000000..12adcd2
--- /dev/null
+++ b/Backend/schema.sql
@@ -0,0 +1,117 @@
+-- Enable UUID extension
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- Create Enum Types
+DO $$ BEGIN
+    CREATE TYPE application_status AS ENUM ('pending', 'accepted', 'rejected');
+EXCEPTION
+    WHEN duplicate_object THEN null;
+END $$;
+
+DO $$ BEGIN
+    CREATE TYPE invite_status AS ENUM ('pending', 'accepted', 'declined');
+EXCEPTION
+    WHEN duplicate_object THEN null;
+END $$;
+
+DO $$ BEGIN
+    CREATE TYPE payment_status AS ENUM ('pending', 'completed', 'failed');
+EXCEPTION
+    WHEN duplicate_object THEN null;
+END $$;
+
+DO $$ BEGIN
+    CREATE TYPE deal_status AS ENUM ('open', 'closed', 'in_progress');
+EXCEPTION
+    WHEN duplicate_object THEN null;
+END $$;
+
+-- Create Users Table
+CREATE TABLE IF NOT EXISTS public.users (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    username TEXT UNIQUE NOT NULL,
+    email TEXT UNIQUE NOT NULL,
+    role TEXT NOT NULL, -- 'creator' or 'brand'
+    profile_image TEXT,
+    bio TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    is_online BOOLEAN DEFAULT FALSE,
+    last_seen TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create Audience Insights Table
+CREATE TABLE IF NOT EXISTS public.audience_insights (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    audience_age_group JSONB,
+    audience_location JSONB,
+    engagement_rate FLOAT,
+    average_views INTEGER,
+    time_of_attention INTEGER, -- in seconds
+    price_expectation DECIMAL(10, 2),
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create Sponsorships Table
+CREATE TABLE IF NOT EXISTS public.sponsorships (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    brand_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    description TEXT NOT NULL,
+    required_audience JSONB, -- {"age": ["18-24"], "location": ["USA", "UK"]}
+    budget DECIMAL(10, 2),
+    engagement_minimum FLOAT,
+    status deal_status DEFAULT 'open',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create User Posts Table
+CREATE TABLE IF NOT EXISTS public.user_posts (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    content TEXT NOT NULL,
+    post_url TEXT,
+    category TEXT,
+    engagement_metrics JSONB, -- {"likes": 500, "comments": 100, "shares": 50}
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create Sponsorship Applications Table
+CREATE TABLE IF NOT EXISTS public.sponsorship_applications (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    creator_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    sponsorship_id UUID NOT NULL REFERENCES public.sponsorships(id) ON DELETE CASCADE,
+    post_id UUID REFERENCES public.user_posts(id) ON DELETE SET NULL,
+    proposal TEXT NOT NULL,
+    status application_status DEFAULT 'pending',
+    applied_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create Collaborations Table
+CREATE TABLE IF NOT EXISTS public.collaborations (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    creator_1_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    creator_2_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    collaboration_details TEXT NOT NULL,
+    status invite_status DEFAULT 'pending',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create Sponsorship Payments Table
+CREATE TABLE IF NOT EXISTS public.sponsorship_payments (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    creator_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    brand_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
+    sponsorship_id UUID NOT NULL REFERENCES public.sponsorships(id) ON DELETE CASCADE,
+    amount DECIMAL(10, 2) NOT NULL,
+    status payment_status DEFAULT 'pending',
+    transaction_date TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Grant Permissions
+GRANT USAGE ON SCHEMA public TO anon, authenticated, service_role;
+GRANT ALL ON ALL TABLES IN SCHEMA public TO service_role;
+GRANT ALL ON ALL SEQUENCES IN SCHEMA public TO service_role;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO authenticated;
+GRANT SELECT ON ALL TABLES IN SCHEMA public TO anon;
diff --git a/README.md b/README.md
index 07d283d..2029c9e 100644
--- a/README.md
+++ b/README.md
@@ -192,6 +192,9 @@ To populate the database with initial data, follow these steps:
    - In the left sidebar, click on **SQL Editor**.
 
 3. **Run the SQL Script**
+   - Open the `schema.sql` file in your project.
+   - Copy the SQL queries from the file.
+   - Paste the queries into the SQL Editor and click **Run**.
    - Open the `sql.txt` file in your project.
    - Copy the SQL queries from the file.
    - Paste the queries into the SQL Editor and click **Run**.