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Hello JR,
I appreciate your response and advice. It’s definitely important to watch the question carefully.
For the first scenario, the reason given for not using sharding is this: “The following options are possible answers here, but they are not cost-effective unlike the options mentioned above.” So, the only reason is cost-effectiveness.
In the second scenario, the question states that the database instances are “already optimized for the firm’s operational budget, with considerations for cost-effectiveness and resource utilization”.
Now, you’ve definitely helped me understand that for the 2nd scenario, sharding is the third best option, and the question asks for 3 options. But in this case, if sharding is “not cost-effective”, then I would think it would not be appropriate for scenario 2. Although, none of the other options are appropriate either. So it may be the most appropriate of the remaining choices.
Alan
