block2.js

OrderExample.embeddedOrders {"_id":1}
OrderExample.embeddedOrders {"email":1}
OrderExample.embeddedOrders {"orders.orderStatus":1}

OrderExample.customers {"_id":1}
OrderExample.customers {"email":1}

OrderExample.orders {"_id":1}
OrderExample.orders {"customerId":1}
OrderExample.orders {"orderStatus":1}

OrderExample.lineitems {"_id":1}
OrderExample.lineitems {"orderId":1}
OrderExample.lineitems {"prodId":1}