DATABASE FUNDAMENTALS
CLOUD COMPUTING AND DATABASES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You need to pay everything upfront
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No need to pay, until you use it
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Use and pay sometime later
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After use some functions in cloud, you need to pay immediately
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Detailed explanation-1: -The pay-as-you-go (PAYG) pricing model means that users pay based on how much they consume. For example, a cloud storage service provider could charge based on the amount of storage used, while many phone carriers bill based on minutes used.
Detailed explanation-2: -This is the most common form of PAYG model where users pay only for the resources that are actually provisioned and operational. For example, if a cloud user provisions a VM instance, users will pay for that VM each month for the duration of that allocation.
Detailed explanation-3: -Pay-as-You-Go is not Pay-Per-Use, the model used by electric utilities and web services companies that provisions a service for each use. The main difference: pay-as-you-go transfers ownership to the customer over time, or becomes permanently unlocked.
Detailed explanation-4: -Explanation: The cloud users use these services pay-as-you-go model. The cloud users develop their product using these services and deliver the product to the end users.
Detailed explanation-5: -Disadvantages of PAYG The pay as you go scheme can generate unpleasant surprises at the end of the month, when it comes to paying the bill (higher costs than expected). In addition, unlike a subscription formula, it does not allow users to anticipate their expenses and the budget to foresee for their software needs.