diff --git a/backend/db-scripts/script-1.1.sql b/backend/db-scripts/script-1.1.sql
index aa3a827..0bc9cc5 100644
--- a/backend/db-scripts/script-1.1.sql
+++ b/backend/db-scripts/script-1.1.sql
@@ -1,62 +1,62 @@
 -- Create table for Project
 CREATE TABLE projects (
-    id VARCHAR(36) PRIMARY KEY DEFAULT uuid_generate_v4(), 
+    id CHAR(36) PRIMARY KEY DEFAULT (UUID()), 
     logo VARCHAR(1000),
     title VARCHAR(50) NOT NULL,
     description VARCHAR(200) NOT NULL,
     link VARCHAR(200), 
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    created_by VARCHAR(36),
-    updated_by VARCHAR(36),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    created_by CHAR(36),
+    updated_by CHAR(36),
     FOREIGN KEY (created_by) REFERENCES auth_user(id) ON DELETE SET NULL,
     FOREIGN KEY (updated_by) REFERENCES auth_user(id) ON DELETE SET NULL
 );
 
 -- Create table for ProjectImage
 CREATE TABLE project_images (
-    id VARCHAR(36) PRIMARY KEY DEFAULT uuid_generate_v4(), 
-    project_id VARCHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
+    id CHAR(36) PRIMARY KEY DEFAULT (UUID()), 
+    project_id CHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
     image VARCHAR(1000), 
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
 
 -- Create table for Comment
 CREATE TABLE projects_comments (
-    id VARCHAR(36) PRIMARY KEY DEFAULT uuid_generate_v4(), 
+    id CHAR(36) PRIMARY KEY DEFAULT (UUID()), 
     comment TEXT NOT NULL,
-    project_id VARCHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
-    user_id VARCHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    created_by VARCHAR(36),
-    updated_by VARCHAR(36),
+    project_id CHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
+    user_id CHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    created_by CHAR(36),
+    updated_by CHAR(36),
     FOREIGN KEY (created_by) REFERENCES auth_user(id) ON DELETE SET NULL,
     FOREIGN KEY (updated_by) REFERENCES auth_user(id) ON DELETE SET NULL
 );
 
 -- Create table for Vote
 CREATE TABLE projects_votes (
-    id VARCHAR(36) PRIMARY KEY DEFAULT uuid_generate_v4(), 
-    vote VARCHAR(10) NOT NULL CHECK (vote IN ('upvote', 'downvote')),
-    project_id VARCHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
-    user_id VARCHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    created_by VARCHAR(36),
-    updated_by VARCHAR(36),
+    id CHAR(36) PRIMARY KEY DEFAULT (UUID()), 
+    vote ENUM('upvote', 'downvote') NOT NULL,
+    project_id CHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
+    user_id CHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    created_by CHAR(36),
+    updated_by CHAR(36),
     FOREIGN KEY (created_by) REFERENCES auth_user(id) ON DELETE SET NULL,
     FOREIGN KEY (updated_by) REFERENCES auth_user(id) ON DELETE SET NULL
 );
 
 -- Create many-to-many relationship table for Project and User
 CREATE TABLE projects_contributors (
-    project_id VARCHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
-    user_id VARCHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
+    project_id CHAR(36) REFERENCES projects(id) ON DELETE CASCADE,
+    user_id CHAR(36) REFERENCES auth_user(id) ON DELETE CASCADE,
     PRIMARY KEY (project_id, user_id)
 );
 
 -- Indexes and additional constraints
 CREATE INDEX idx_projects_created_at ON projects(created_at);
 CREATE INDEX idx_projects_comments_created_at ON projects_comments(created_at);
-CREATE INDEX idx_projects_votes_created_at ON projects_votes(created_at);
+CREATE INDEX idx_projects_votes_created_at ON projects_votes(created_at);
\ No newline at end of file