How can I force SQL Server Management Studio to update the IntelliSense cache?
You need to use this key combination:


  CTRL + SHIFT + R


Alternatively, use the menu item:


  Edit > IntelliSense > Refresh Local Cache


This article might also be useful (for future readers who have more perplexing IntelliSense issues):


Troubleshooting IntelliSense in SQL Server Management Studio