Quick Answer
The answer is Azure SQL Managed Instance, as it provides near 100% compatibility with on-premises SQL Server, including full support for stored procedures and CLR assemblies. This service is designed specifically for migrations where application changes must be minimized, offering the broadest engine compatibility without the overhead of managing a virtual machine. On the DP-900 exam, this question tests your understanding of Azure’s SQL migration options, often appearing as a scenario where legacy features like CLR or SQL Agent jobs are in use. A common trap is choosing Azure SQL Database, which lacks CLR support, or Azure Virtual Machines, which requires patching and management. Remember the memory tip: “Managed Instance means maximum compatibility without the management mess.” For SQL Server migration compatibility on Azure, always consider Managed Instance first when the goal is full feature parity with minimal rework.
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.
You need to migrate an on-premises SQL Server database to Azure. The database uses many stored procedures and CLR assemblies. Which Azure service is most compatible without requiring major application changes?
Azure Database for MySQL
Why wrong: Different engine, not compatible.
Azure Virtual Machines with SQL Server
Why wrong: Requires patching and management.
Azure SQL Database
Why wrong: Does not support CLR assemblies.
Azure SQL Managed Instance
Supports CLR and stored procedures.
Answer choices
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
Option B is correct because Azure SQL Managed Instance provides near 100% compatibility with SQL Server. Option A is wrong because Azure SQL Database does not support CLR assemblies. Option C is wrong because Azure Database for MySQL is a different database engine. Option D is wrong because Azure Virtual Machines with SQL Server requires patching and management overhead.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Azure Database for MySQL
Why it's wrong here
Different engine, not compatible.
Azure Virtual Machines with SQL Server
Why it's wrong here
Requires patching and management.
Azure SQL Database
Why it's wrong here
Does not support CLR assemblies.
Azure SQL Managed Instance
Why this is correct
Supports CLR and stored procedures.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-900 NAT questions on configuration and troubleshooting.
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FAQ
Identify considerations for relational data on Azure — This question tests Identify considerations for relational data on Azure — Static NAT maps one inside address to one outside address..
The correct answer is: Azure SQL Managed Instance — Option B is correct because Azure SQL Managed Instance provides near 100% compatibility with SQL Server. Option A is wrong because Azure SQL Database does not support CLR assemblies. Option C is wrong because Azure Database for MySQL is a different database engine. Option D is wrong because Azure Virtual Machines with SQL Server requires patching and management overhead.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-900 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This DP-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-900 exam.
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