The answer is to create an Elastic Job that executes the schema change script within a transaction and uses target group error handling to roll back on failure. This approach is correct because Azure SQL Database Elastic Jobs are purpose-built for automated schema deployment across multiple Azure SQL Databases in an elastic pool, allowing you to run T-SQL scripts in a consistent order while wrapping them in a transaction for atomicity. If any single database fails, the target group’s error handling triggers a rollback across all databases, ensuring no partial deployment. On the DP-300 exam, this scenario tests your understanding of managing schema changes at scale, often as a trap where you might mistakenly choose Azure DevOps pipelines (which lack transactional rollback for T-SQL) or PowerShell scripts (which handle databases individually without coordinated rollback). Remember the key distinction: Elastic Jobs are for schema and data tasks across many databases, while other tools handle infrastructure or single-database changes. Memory tip: “Elastic Jobs for schema jobs—wrap it in a transaction to avoid fragmentation.”
DP-300 Configure and manage automation of tasks Practice Question
This DP-300 practice question tests your understanding of configure and manage automation of tasks. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are designing an automation strategy for deploying schema changes to 50 Azure SQL Databases in a elastic pool. You need to ensure that changes are applied in a consistent order and rolled back if any database fails. Which approach should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an Elastic Job that executes the schema change script within a transaction and uses target group error handling to roll back on failure.
Option B is correct because Azure SQL Database Elastic Jobs can run T-SQL scripts across multiple databases with transactional control and error handling. Options A and C do not provide rollback capability. Option D is for infrastructure deployment, not schema changes.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 Azure Data Studio with the Schema Compare extension and apply changes manually.
Why it's wrong here
No automation or rollback.
✓
Create an Elastic Job that executes the schema change script within a transaction and uses target group error handling to roll back on failure.
Why this is correct
Elastic Jobs support transactions and error handling.
Related concept
Read the scenario before looking for a memorised answer.
✗
Deploy the schema changes using Azure Resource Manager templates with SQL extensions.
Why it's wrong here
ARM templates are for resource provisioning, not schema management.
✗
Use PowerShell to loop through each database and execute the script, catching exceptions.
Why it's wrong here
Requires custom rollback logic and is less reliable.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Configure and manage automation of tasks — This question tests Configure and manage automation of tasks — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an Elastic Job that executes the schema change script within a transaction and uses target group error handling to roll back on failure. — Option B is correct because Azure SQL Database Elastic Jobs can run T-SQL scripts across multiple databases with transactional control and error handling. Options A and C do not provide rollback capability. Option D is for infrastructure deployment, not schema changes.
What should I do if I get this DP-300 question wrong?
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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