An administrator wants to reduce query response times and free up resources on a production database without changing the underlying schema. Which maintenance-process activity most directly addresses this goal?
Explanation
Maintenance processes: optimizing queries, managing patches, planning capacity, and tuning performance.
A newly hired candidate wants to know what foundational database skills the DataSys+ certification validates. According to the published skills, which task combination best reflects the core data-handling competency?
Explanation
develop, modify, and run SQL code to gather, store, and manage data assets across various operating systems
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