The answer is Azure SQL Managed Instance because it natively supports cross-database queries using three-part names like DB1.dbo.table and includes SQL Server Agent for automated maintenance tasks, both of which are essential for this migration. Unlike Azure SQL Database, which isolates each database and lacks SQL Agent, or SQL Server on VMs, which requires full management overhead, Managed Instance provides a fully managed platform that shares resources across databases within the same instance, reducing costs while minimizing administrative burden. On the DP-900 exam, this scenario tests your ability to match legacy SQL Server features—specifically cross-database queries and SQL Agent—to the correct deployment model, often appearing as a trap where Azure SQL Database seems simpler but fails on these requirements. Remember the memory tip: if you need to talk across databases and schedule jobs, think “Managed Instance—the full SQL Server experience without the VM headache.”
DP-900 Practice Question: Identify considerations for relational data on Azure
This DP-900 practice question tests your understanding of identify considerations for relational data on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A company needs to migrate 10 on-premises SQL Server databases (each 50–200 GB) to Azure. The databases frequently run cross-database queries using three-part names (e.g., DB1.dbo.table) and rely on SQL Server Agent for maintenance tasks. They want to minimize management overhead and share resources across databases to reduce costs. Which Azure SQL deployment option should they choose?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Why wrong: Elastic pools share resources but do not support cross-database queries with three-part names natively.
B
Azure SQL Managed Instance
Managed Instance supports cross-database queries, SQL Server Agent, and allows multiple databases in one instance sharing resources.
C
SQL Server on Azure Virtual Machine
Why wrong: SQL Server on VM supports all features but requires more management (patching, backups) than a fully managed service.
D
Azure SQL Database single database
Why wrong: Single databases do not share resources (unless in elastic pool) and do support cross-database queries only via elastic query, not three-part names.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure SQL Managed Instance
Azure SQL Managed Instance is correct because it provides native support for cross-database queries using three-part names (e.g., DB1.dbo.table) and SQL Server Agent for maintenance tasks, which are critical requirements. It also offers a fully managed platform that minimizes management overhead while allowing resource sharing across databases within the instance, reducing costs compared to single databases or VMs.
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.
✗
Azure SQL Database elastic pool
Why it's wrong here
Elastic pools share resources but do not support cross-database queries with three-part names natively.
✓
Azure SQL Managed Instance
Why this is correct
Managed Instance supports cross-database queries, SQL Server Agent, and allows multiple databases in one instance sharing resources.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
SQL Server on Azure Virtual Machine
Why it's wrong here
SQL Server on VM supports all features but requires more management (patching, backups) than a fully managed service.
✗
Azure SQL Database single database
Why it's wrong here
Single databases do not share resources (unless in elastic pool) and do support cross-database queries only via elastic query, not three-part names.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose Azure SQL Database elastic pool (Option A) because they think it supports cross-database queries and SQL Agent, but it actually lacks native three-part name support and SQL Agent, which are only available in Managed Instance.
Detailed technical explanation
How to think about this question
Azure SQL Managed Instance runs in a dedicated VNet and provides near 100% compatibility with on-premises SQL Server, including linked servers, Service Broker, and SQL Server Agent, enabling seamless migration of cross-database queries and scheduled jobs. Under the hood, it uses a shared resource model across databases within the same instance, allowing for cost-efficient resource pooling while maintaining isolation, which is ideal for workloads with moderate resource demands and frequent inter-database operations.
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.
TExam Day Tips
→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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-900 question in full detail.
Identify considerations for relational data on Azure — This question tests Identify considerations for relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure SQL Managed Instance — Azure SQL Managed Instance is correct because it provides native support for cross-database queries using three-part names (e.g., DB1.dbo.table) and SQL Server Agent for maintenance tasks, which are critical requirements. It also offers a fully managed platform that minimizes management overhead while allowing resource sharing across databases within the instance, reducing costs compared to single databases or VMs.
What should I do if I get this DP-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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