name: employee_project
columns:
  - name: employee_id
    type: int
    default: null
    notNull: true
    references: employees
  - name: project_id
    type: int
    default: null
    notNull: true
    references: projects
  - name: role
    type: varchar(50)
    default: null
primaryKey:
  - employee_id
  - project_id