-- Indexes are used to speed up the query process. They are used to quickly locate the rows in a table that match the search condition. CREATE EXTENSION IF NOT EXISTS pg_trgm; CREATE INDEX idx_comments_content ON comments USING gin (content gin_trgm_ops); CREATE INDEX IF NOT EXISTS idx_posts_title ON posts USING gin (title gin_trgm_ops); CREATE INDEX IF NOT EXISTS idx_posts_tags ON posts USING gin (tags); CREATE INDEX IF NOT EXISTS idx_users_username ON users (username); CREATE INDEX IF NOT EXISTS idx_posts_user_id ON posts (user_id); CREATE INDEX IF NOT EXISTS idx_comments_post_id ON comments (post_id);