This article outlines the database structure for the MMv4 system_settings database table.

• name
  The name of the system setting, such as company_name
  varchar(255) | primary key | indexed
• value
  The setting's value, such as 'Modular Merchant'.
  text
  
• edit_date
  The Unix timestamp of the date and time when this record was last edited.
  int(10) | unsigned