I recently installed SharePoint 2010 Enterprise Edition which also includes the Business Data Web Parts – very helpful BCS web parts.
But I found them missing in my installation and I double checked to make sure I have the enterprise edition installed!
Exploring the Features folder, I found that the BizAppsSiteTemplate feature was responsible for the business data web parts. As expected, this is a hidden feature.
So, after enabling this feature for my site, I got the web parts!
Below are the PowerShell commands:
Install-SPFeature "BizAppsSiteTemplates" –force
Enable-SPFeature "4248E21F-A816-4c88-8CAB-79D82201DA7B" -URL http://<your-site>