Often when you are working in SQL Server Management Studio (SSMS), tables, views, and other objects will get highlighted with a red squiggly line like SSMS does not know if the object exists or not in the database.
Often when you are working in SQL Server Management Studio (SSMS), tables, views, and other objects will get highlighted with a red squiggly line like SSMS does not know if the object exists or not in the database.
Jim Salasek's SQL Server Blog 