- A
Azure SQL Managed Instance
Azure SQL Managed Instance supports three-part cross-database queries and SQL Server Agent, offers high compatibility, and is fully managed.
- B
Azure SQL Database (single database)
Why wrong: Azure SQL Database does not support three-part cross-database queries or SQL Server Agent, requiring significant application changes.
- C
Azure SQL Database (elastic pool)
Why wrong: Elastic pools are a resource management model for multiple Azure SQL Databases; they share the same limitations as single databases regarding cross-database queries and SQL Agent.
- D
Azure Synapse Analytics dedicated SQL pool
Why wrong: Azure Synapse Analytics is a data warehousing service not designed for transactional workloads; it lacks SQL Server Agent and does not support three-part cross-database queries in the same manner.
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 is migrating a 3-TB on-premises SQL Server database to Azure. The database heavily uses cross-database queries with three-part names (e.g., db.schema.table) and relies on SQL Server Agent for scheduled maintenance jobs. They want a fully managed PaaS service with automatic backups and patching, while minimizing application code changes. Which Azure SQL service should they choose?
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
Azure SQL Managed Instance
Azure SQL Managed Instance is the correct choice because it provides near-100% compatibility with on-premises SQL Server, including support for cross-database queries using three-part names (db.schema.table) and SQL Server Agent for scheduled maintenance jobs. As a fully managed PaaS service, it offers automatic backups, patching, and high availability while minimizing application code changes, unlike Azure SQL Database which lacks cross-database query support and SQL Agent.
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 Managed Instance
Why this is correct
Azure SQL Managed Instance supports three-part cross-database queries and SQL Server Agent, offers high compatibility, and is fully managed.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure SQL Database (single database)
Why it's wrong here
Azure SQL Database does not support three-part cross-database queries or SQL Server Agent, requiring significant application changes.
- ✗
Azure SQL Database (elastic pool)
Why it's wrong here
Elastic pools are a resource management model for multiple Azure SQL Databases; they share the same limitations as single databases regarding cross-database queries and SQL Agent.
- ✗
Azure Synapse Analytics dedicated SQL pool
Why it's wrong here
Azure Synapse Analytics is a data warehousing service not designed for transactional workloads; it lacks SQL Server Agent and does not support three-part cross-database queries in the same manner.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose Azure SQL Database (single or elastic pool) because it is the most well-known PaaS option, overlooking that it lacks critical on-premises features like cross-database three-part name queries and SQL Server Agent, which are essential for minimizing code changes in this migration scenario.
Detailed technical explanation
How to think about this question
Azure SQL Managed Instance uses a VNet-deployed architecture that maintains the same SQL Server engine version, enabling linked server-like cross-database queries via three-part names and full SQL Agent functionality (jobs, alerts, operators). Under the hood, it leverages a shared disk model with Always On availability groups for high availability, while automatic backups use the same native backup format as on-premises SQL Server, allowing point-in-time restore. A real-world scenario where this matters is migrating a legacy ERP system with dozens of cross-database stored procedures and scheduled ETL jobs—Managed Instance preserves these without rewriting T-SQL or replacing SQL Agent with Azure Automation.
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
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
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FAQ
Questions learners often ask
What does this DP-900 question test?
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 the correct choice because it provides near-100% compatibility with on-premises SQL Server, including support for cross-database queries using three-part names (db.schema.table) and SQL Server Agent for scheduled maintenance jobs. As a fully managed PaaS service, it offers automatic backups, patching, and high availability while minimizing application code changes, unlike Azure SQL Database which lacks cross-database query support and SQL Agent.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 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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