Create List Relationships by Using Unique and Lookup Columns - SharePoint 2010 - EPC Group
1. Create list relationships by using unique and lookup columns
Applies to: Microsoft SharePoint Foundation 2010 , SharePoint Server 2010
In SharePoint 2010, you can create relationships between lists by using a combination of unique columns,
lookup columns, and relationship enforcement (cascade and restrict delete), all of which enhance your
ability to create more sophisticated business solutions and help preserve the integrity of your data.
Overview of list relationships
The following sections provides important background information about creating relationships between
source and target lists, creating unique and lookup columns, enforcing list relationship behavior, adding
primary and secondary lookup columns, viewing, editing, and deleting items within list relationships,
managing list relationships when lists have many items, and the additional benefits of using SharePoint
editing programs, such as Microsoft Office SharePoint Designer 2010.
Using unique and lookup columns to process gift orders.
Each list has unique columns to ensure that the correct data is matched
The Items list is the source list and the Orders list is the target list..
The primary lookup column in the source list "looks up" the Order ID column in the target list based
on a matching value.