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Question 42/111
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?
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?
Correct Answer: A
Explanation/Reference:
Explanation:
Cost is 53% for the Table Scan on the Person (p) table. This table scan is on the ID column, so we should put an index on it.
Explanation:
Cost is 53% for the Table Scan on the Person (p) table. This table scan is on the ID column, so we should put an index on it.
- Question List (111q)
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