You are maintaining a Microsoft SQL Server database. You run the following query:
You observe performance issues when you run the query. You capture the following query execution plan:
You need to ensure that the query performs returns the results as quickly as possible.
Which action should you perform?
A. Add a new index to the ID column of the Person table.
B. Add a new index to the EndDate column of the History table.
C. Create a materialized view that is based on joining data from the ActiveEmployee and History tables.
D. Create a computed column that concatenates the GivenName and SurName columns.
