<prompt> Kujenga database schema kwa ajili ya meza user.  <response>: A database schema for a user table could include the following fields:- user_id Primary key: A unique identifier for each user record in the table. This could be an auto-generated integer value.- username: The username chosen by the user. This field would likely have a unique constraint.- email: The users email address. This field could also have a unique constraint to prevent multiple accounts with the same email.- password: The users encrypted password.- first_name: The users first name.- last_name: The users last name.- date_of_birth: The users date of birth.- created_at: A timestamp of when the user record was created.- updated_at: A timestamp of when the user record was last updated.The schema could be represented in SQL as follows:sqlCREATE TABLE users user_id INT PRIMARY KEY AUTO_INCREMENT, username VARCHAR50 NOT NULL UNIQUE, email VARCHAR255 NOT NULL UNIQUE, password VARCHAR255 NOT NULL, first_name VARCHAR50 NOT NULL, last_name VARCHAR50 NOT NULL, date_of_birth DATE NOT NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP; 