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The Recipient table is linked with a custom schema called Reservation, which contains a high volume of data that is needed at all times. The deployment team reports that each time a query the location attribute the Reservation table, there is a long return time. What should the Architect recommend?
Correct Answer: D
Applying an index on the Location attribute of the Reservation table can improve the query performance and reduce the return time. An index allows the database engine to quickly locate the data without having to scan the entire table. This can be especially useful when working with large tables with a high volume of data. It's also important to consider that the other options might not provide a long-term solution for the problem. References: Indexes in SQL databases: https://www.postgresql.org/docs/9.1/indexes.html Database indexing: https://en.wikipedia.org/wiki/Database_indexing
