How To Integrate BCS with Search in SharePoint 2013

This guide steps you through the process of incorporating external data into SharePoint 2013 Search by leveraging Business Data Connectivity Services (BCS). It provides an end-to-end solution that integrates product data from a SQL Server database into SharePoint by using external content types. Creating a new search vertical as well as customizing the display and hover panels of the business data search results is also covered.