How to create a site column of the Lookup type in SharePoint to resolve a cross-station problem

In some cases, we need to refer to data in other lists, such as a list called country on the site Collection, and a list called employee on its subsite (WebSite), If you want to refer to the country data in the employee on the child site, we will typically create a site column on collection. This is a solution. There is also a solution, we can also create a lookup type of site Column in the project, its Scope for site, along the way, I naturally created a site column,scope=site, but in fact far less simple.

In fact, both ways are possible, first of all to see the first solution:

Create a site column under Site Settings

I take SharePoint 2013 Foundation as an example, log on to SharePoint site Collection and click Site Settings:

Locate the Web Designer Galleries (web Designer library) and click Site columns:

Click Create: