Update Query with Correlated Subquery

Question

I\'m trying to convert a Foxpro application into .NET. As part of that conversion I\'m converting the data from DBF tables to Sql server.

I need to come up with a coupl

Answer 1

Try this

UPDATE customers
SET FirstOrderDate = 
(Select MIN(OrderDate)
FROM Orders
WHERE ShipperId = Customers.Id or
PickupId = Customers.Id or
ConsigneeId = Customers.Id or
DeliveryId = Customers.Id or
BillingId = Customers.Id)