diff --git a/sql/base_seed.sql b/sql/base_seed.sql
index a5dde3d..37bcb51 100644
--- a/sql/base_seed.sql
+++ b/sql/base_seed.sql
@@ -1,7 +1,20 @@
 INSERT OR IGNORE INTO users (user_id, github_id, username, email, avatar_url) VALUES
     (1, '81222943', 'f0rbit', 'dev@forbit.dev', 'https://avatars.githubusercontent.com/u/81222943?v=4');
 
--- Insert data into 'posts' table if it's empty
+INSERT OR IGNORE INTO categories (owner_id, name, parent) VALUES
+    (1, 'coding', 'root'),
+    (1, 'learning', 'coding'),
+    (1, 'devlog', 'coding'),
+    (1, 'gamedev', 'devlog'),
+    (1, 'webdev', 'devlog'),
+    (1, 'code-story', 'coding'),
+    (1, 'hobbies', 'root'),
+    (1, 'photography', 'hobbies'),
+    (1, 'painting', 'hobbies'),
+    (1, 'hiking', 'hobbies'),
+    (1, 'story', 'root'),
+    (1, 'advice', 'root');
+
 INSERT OR IGNORE INTO posts (slug, author_id, title, content, category) VALUES
     ('test-post', 1, 'test', 'this is a test post, first post.', 'coding');
 
diff --git a/sql/setup.sql b/sql/setup.sql
index a712e72..44ed896 100644
--- a/sql/setup.sql
+++ b/sql/setup.sql
@@ -1,25 +1,26 @@
 -- setup.sql
 
+-- Create 'users' table if it doesn't exist
+CREATE TABLE IF NOT EXISTS users (
+    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    github_id INTEGER NOT NULL UNIQUE,
+    username VARCHAR(255) NOT NULL,
+    email VARCHAR(255),
+    avatar_url VARCHAR(255),
+    -- Add other user-related fields as needed
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
 -- Create 'categories' table if it doesn't exist
 CREATE TABLE IF NOT EXISTS categories (
+    owner_id INTEGER NOT NULL,
     name VARCHAR(15) PRIMARY KEY,
-    parent VARCHAR(15)
-);
+    parent VARCHAR(15),
 
--- Insert data into 'categories' table if it's empty
-INSERT OR IGNORE INTO categories (name, parent) VALUES
-    ('coding', 'root'),
-    ('learning', 'coding'),
-    ('devlog', 'coding'),
-    ('gamedev', 'devlog'),
-    ('webdev', 'devlog'),
-    ('code-story', 'coding'),
-    ('hobbies', 'root'),
-    ('photography', 'hobbies'),
-    ('painting', 'hobbies'),
-    ('hiking', 'hobbies'),
-    ('story', 'root'),
-    ('advice', 'root');
+    FOREIGN KEY (owner_id) REFERENCES users(user_id),
+    UNIQUE(owner_id, name)
+);
 
 -- Create 'posts' table if it doesn't exist
 CREATE TABLE IF NOT EXISTS posts (
@@ -32,27 +33,13 @@ CREATE TABLE IF NOT EXISTS posts (
     archived BOOLEAN DEFAULT 0,
     publish_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-);
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
 
--- Create 'users' table if it doesn't exist
-CREATE TABLE IF NOT EXISTS users (
-    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
-    github_id INTEGER NOT NULL UNIQUE,
-    username VARCHAR(255) NOT NULL,
-    email VARCHAR(255),
-    avatar_url VARCHAR(255),
-    -- Add other user-related fields as needed
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    FOREIGN KEY (author_id) REFERENCES users(user_id),
+    UNIQUE(author_id, slug)
 );
 
--- Add 'sessions' table
-CREATE TABLE IF NOT EXISTS sessions (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    user_id INTEGER,
-    session_token TEXT NOT NULL UNIQUE,
-    expires_at TIMESTAMP NOT NULL,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY(user_id) REFERENCES users(id)
-);
+-- create indexes
+CREATE INDEX IF NOT EXISTS idx_categories_user ON categories(owner_id);
+CREATE INDEX IF NOT EXISTS idx_user_posts ON posts(author_id);
+