Applies to: SharePoint Foundation 2010

A site column is a reusable column definition, or template, that you can assign to multiple lists across multiple SharePoint sites. Site columns decrease the amount of rework needed and also helps ensure consistency of metadata across sites and lists. Use the links in this section to learn how to create, customize, and update site and list columns.

In This Section

Introduction to Columns

Adding Columns in Content Types to Lists

Updating Site Columns

Fields and Field References

Enforcing Uniqueness in Column Values

Lookups and List Relationships

How to: Add a Column to a List

How to: Add a Column to a Site

How to: Create a Multiple-Column Lookup

How to: Reference a Column in a Content Type