Question 1 of 30
A company is analyzing its sales data stored in a Salesforce database. The sales team has noticed that queries retrieving sales records are taking longer than expected, especially when filtering by date and region. To improve performance, the database administrator decides to implement query optimization techniques. Which of the following strategies would most effectively enhance the performance of these queries while ensuring that the data remains accurate and relevant?
Implementing selective indexing on the date and region fields to speed up data retrieval.
Increasing the size of the database server's RAM to handle more simultaneous queries.
Regularly archiving old sales records to reduce the overall size of the database.
Using a more complex SQL query structure to retrieve data in a single call.

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