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Azure database monthly costs for basic database

Kiet Ho 20 Reputation points
2025-07-10T04:19:12.13+00:00

Hi i have created database azure for the first time just to share with the other fella in vs code, i use student plan with 100$ credit and i accidentally chose the provision instead of serverless, it quicky ran out the entire credit after 4 -5 days. I deleted that accidental database (it was empty) and create new one (serverless) with 4.78usd/ month . Will I be charge any extra costs beside 4.78USD monthly? I don't use any other extra services just a plain shared database for my small shop how do i confirm i will be charged only 4.78 monthly? Thanks all

Azure SQL Database

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Saraswathi Devadula 16,025 Reputation points Microsoft External Staff Moderator
2025-07-10T04:33:30.5666667+00:00

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

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  1. Erland Sommarskog 134.1K Reputation points MVP Volunteer Moderator
    2025-07-10T08:11:21.5566667+00:00

    In addition to what Saraswathi says, there was a question similar to yours just recently. I recommend that you read TP's answer to this question: https://learn.microsoft.com/en-us/answers/questions/4371383/sql-database-compute.

    My own take of this is that Serverless can be a budget saver, but you need to have control over that the database remains paused most of the time. Else it can be more expensive than provisioned General Purpose.

    TP's suggestion of using a DTU-based database, Basic, S0 or S1 is a good one. This gives a much more predictable cost.

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