This design shows implementing a database system. This project used Microsoft SQL Server 2014. For design, the database system to support self-service email marketing (InsightMail) defined different types of tables. These tables are campaign, account (main user), users (sub-users), subscribers, template, template elements, campaign tracking, scheduled mailing, packages, order, payment, permission, roles, and files. The purpose of this project is to create a practical and useful database for the email marketing website InsightMail.