An Azure relational database service.
Hello Kiet Ho
I completely understand your concern. Please be informed that 4.78USD per month will be the estimated cost. If your database is idle most of the time and auto-pauses, compute charges stay low. But if it’s constantly online—even without heavy usage—you might get more cost than expected.
Serverless is a compute tier for single databases in Azure SQL Database that automatically scales compute based on workload demand and bills for the amount of compute used per second. The serverless compute tier also automatically pauses databases during inactive periods when only storage is billed and automatically resumes databases when activity returns.
The cost for a serverless database is the summation of the compute cost and storage cost. The storage cost is determined in the same way as in the provisioned compute tier.
- When compute usage is between the minimum and maximum limits configured, the compute cost is based on vCore and memory used.
- When compute usage is below the minimum limits configured, the compute cost is based on the minimum vCores and minimum memory configured.
- When the database is paused, the compute cost is zero and only storage costs are incurred.
The Azure SQL Database pricing calculator for serverless can be used to determine the minimum memory configurable based on the number of maximum and minimum vCores configured. As a rule, if the minimum vCores configured is greater than 0.5 vCores, then the minimum compute bill is independent of the minimum memory configured and based only on the number of minimum vCores configured.
Kindly please refer the below document for your reference,
https://learn.microsoft.com/en-us/azure/azure-sql/database/serverless-tier-overview?view=azuresql&tabs=general-purpose#billing