as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a database schema for a user table.
user
create table users (
  user_id integer primary key autoincrement,
  user_name varchar(255) not null,
  email varchar(255) unique not null,
  password varchar(255) not null,
  age integer,
  gender varchar(255)
);
assistant