DP-300 Configure and manage automation of tasks Practice Question
You need to automate the creation of an Azure SQL Database using Azure CLI in a CI/CD pipeline. The database name must be unique and include the build ID. How should you specify the database name in the Azure CLI command?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use an environment variable $(Build.BuildId) set by the pipeline
In Azure DevOps pipelines, $(Build.BuildId) is a predefined variable that provides a unique build ID. This can be used in Azure CLI commands to create a unique database name, e.g., 'mydb-$(Build.BuildId)'. Option A ($RANDOM) is Bash-specific and not reliable across pipeline runs. Option B (uuid) is not a valid Azure CLI function. Option C (hardcoded name) fails on pipeline rebuilds due to name conflicts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use the $RANDOM variable in Bash
Why it's wrong here
$RANDOM is not reliable for uniqueness and not available in all shells.
- ✗
Use the $(uuid) function in Azure CLI
Why it's wrong here
There is no $(uuid) function in Azure CLI.
- ✗
Use a hardcoded name like 'mydb'
Why it's wrong here
Hardcoded names cause conflicts when the pipeline runs multiple times.
- ✓
Use an environment variable $(Build.BuildId) set by the pipeline
Why this is correct
Azure DevOps provides unique build IDs that can be referenced as environment variables.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
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