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Exam Code: DP-800

Exam Name: Developing AI-Enabled Database Solutions

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: SQL AI Developer Associate

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Microsoft DP-800 Practice Test 28

Question 270

An engineering team wants to use Copilot in Fabric to help explain a supported database query. Which result distinguishes a successful implementation from a cosmetic change?

  1. Unsupported syntax is caught in a controlled environment before any production deployment.
  2. Sample generated changes follow the stated conventions and require human validation before merge.
  3. A bounded partition switch/retention test succeeds and query pruning works for dated predicates.
  4. Eligible users can invoke the approved experience while policy restrictions remain enforced.

Explanation

Correct Answer

D:

Copilot availability depends on supported platform settings and entitlements, not only local IDE configuration. The observation “Eligible users can invoke the approved experience while policy restrictions remain enforced” directly confirms the chosen action worked for this situation: An engineering team wants to use Copilot in Fabric to help explain a supported database query.

Incorrect Answers

A:

AI suggestions can hallucinate features or ignore version differences; execution verification is essential. This observation would not establish that the required result occurred for An engineering team wants to use Copilot in Fabric to help explain a supported database query. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

B:

Copilot instruction files guide generated suggestions but do not enforce database permissions or accuracy. This observation would not establish that the required result occurred for An engineering team wants to use Copilot in Fabric to help explain a supported database query. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

C:

Partitioning enables manageability and elimination only when physical alignment and filters support it. This observation would not establish that the required result occurred for An engineering team wants to use Copilot in Fabric to help explain a supported database query. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

Question 271

A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. Which solution is the most appropriate for the scenario?

  1. Validate generated SQL against actual engine version, feature availability, and representative tests.
  2. Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.
  3. Use ROW_NUMBER partitioned by customer ordered by time descending and stable event ID, then filter row number 1.
  4. Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use.

Explanation

Correct Answer

D:

Copilot availability depends on supported platform settings and entitlements, not only local IDE configuration. For the described situation—A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled—the targeted fix is Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use. A successful test should show: Eligible users can invoke the approved experience while policy restrictions remain enforced.

Incorrect Answers

A:

AI suggestions can hallucinate features or ignore version differences; execution verification is essential. But that technique does not solve the stated problem—A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The needed intervention is Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use.

B:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. But that technique does not solve the stated problem—A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The needed intervention is Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use.

C:

A ranking window supports groupwise top-1 selection when order and tie-breakers are explicit. But that technique does not solve the stated problem—A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The needed intervention is Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use.

Question 272

A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. What should a technical reviewer verify before approving completion?

  1. Only the authorized endpoint and allowed database operations are callable in test sessions.
  2. Eligible users can invoke the approved experience while policy restrictions remain enforced.
  3. The evaluation records model configuration, prompt, generated code, and reviewed correctness.
  4. Consumers query current source rows through the same named projection.

Explanation

Correct Answer

B:

Copilot availability depends on supported platform settings and entitlements, not only local IDE configuration. The observation “Eligible users can invoke the approved experience while policy restrictions remain enforced” directly confirms the chosen action worked for this situation: A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled.

Incorrect Answers

A:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. This observation would not establish that the required result occurred for A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

C:

AI model/tool selection influences responses, but only execution tests and review validate SQL correctness. This observation would not establish that the required result occurred for A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

D:

A standard view stores query definition rather than a separately refreshed result set. This observation would not establish that the required result occurred for A Fabric user cannot access AI assistance because the relevant workspace and tenant settings are not enabled. The confirming test is: Eligible users can invoke the approved experience while policy restrictions remain enforced.

Question 273

A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. What should the SQL developer implement after verifying the conditions?

  1. Configure repository-level Copilot instruction files specifying SQL conventions and approved practices.
  2. Validate generated SQL against actual engine version, feature availability, and representative tests.
  3. Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.
  4. Evaluate a suitable fuzzy text similarity function such as JARO_WINKLER_DISTANCE with a threshold validated on labeled examples.

Explanation

Correct Answer

C:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. For the described situation—A user asks a coding assistant to connect to a production SQL server with a high-privilege credential—the targeted fix is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts. A successful test should show: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Incorrect Answers

A:

Copilot instruction files guide generated suggestions but do not enforce database permissions or accuracy. But that technique does not solve the stated problem—A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

B:

AI suggestions can hallucinate features or ignore version differences; execution verification is essential. But that technique does not solve the stated problem—A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

D:

Fuzzy measures quantify approximate string similarity and must not automatically authorize record merges. But that technique does not solve the stated problem—A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

Question 274

A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. Which verification finding is most specific to this scenario?

  1. The tool can retrieve allowed schema metadata but cannot modify or expose unrelated assets.
  2. Only the authorized endpoint and allowed database operations are callable in test sessions.
  3. Representative queries show selective seeks and fewer lookups without unacceptable write overhead.
  4. Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Explanation

Correct Answer

D:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. The observation “Assistant-access logs show only approved scope and no high-privilege keys enter its context” directly confirms the chosen action worked for this situation: A user asks a coding assistant to connect to a production SQL server with a high-privilege credential.

Incorrect Answers

A:

Fabric MCP tooling is a controlled integration boundary, not blanket cross-workspace authorization. This observation would not establish that the required result occurred for A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

B:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. This observation would not establish that the required result occurred for A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

C:

An index keyed by selective predicates improves retrieval when its order follows workload filters and sorts. This observation would not establish that the required result occurred for A user asks a coding assistant to connect to a production SQL server with a high-privilege credential. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Question 275

An assistant is being given unrestricted database credentials for schema exploration during code review. Which approach achieves the intended result without bypassing the stated controls?

  1. Configure repository-level Copilot instruction files specifying SQL conventions and approved practices.
  2. Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.
  3. Verify tenant, capacity, licensing, and supported Copilot in Fabric configuration before use.
  4. Prefer set-based expressions or an appropriate inline TVF after measuring query plans.

Explanation

Correct Answer

B:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. For the described situation—An assistant is being given unrestricted database credentials for schema exploration during code review—the targeted fix is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts. A successful test should show: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Incorrect Answers

A:

Copilot instruction files guide generated suggestions but do not enforce database permissions or accuracy. But that technique does not solve the stated problem—An assistant is being given unrestricted database credentials for schema exploration during code review. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

C:

Copilot availability depends on supported platform settings and entitlements, not only local IDE configuration. But that technique does not solve the stated problem—An assistant is being given unrestricted database credentials for schema exploration during code review. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

D:

Row-by-row function evaluation can inhibit query optimization; set-based evaluation often scales better. But that technique does not solve the stated problem—An assistant is being given unrestricted database credentials for schema exploration during code review. The needed intervention is Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.

Question 276

An assistant is being given unrestricted database credentials for schema exploration during code review. How should the team validate the selected design?

  1. The evaluation records model configuration, prompt, generated code, and reviewed correctness.
  2. Sample generated changes follow the stated conventions and require human validation before merge.
  3. Historical queries can distinguish transaction history from independently entered business-effective intervals.
  4. Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Explanation

Correct Answer

D:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. The observation “Assistant-access logs show only approved scope and no high-privilege keys enter its context” directly confirms the chosen action worked for this situation: An assistant is being given unrestricted database credentials for schema exploration during code review.

Incorrect Answers

A:

AI model/tool selection influences responses, but only execution tests and review validate SQL correctness. This observation would not establish that the required result occurred for An assistant is being given unrestricted database credentials for schema exploration during code review. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

B:

Copilot instruction files guide generated suggestions but do not enforce database permissions or accuracy. This observation would not establish that the required result occurred for An assistant is being given unrestricted database credentials for schema exploration during code review. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

C:

System time records database validity, not necessarily application-defined effective time. This observation would not establish that the required result occurred for An assistant is being given unrestricted database credentials for schema exploration during code review. The confirming test is: Assistant-access logs show only approved scope and no high-privilege keys enter its context.

Question 277

An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. What intervention should the responsible engineer choose?

  1. Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.
  2. Use an authorized Fabric lakehouse MCP endpoint with least-privilege metadata scope.
  3. Validate generated SQL against actual engine version, feature availability, and representative tests.
  4. Create a composite UNIQUE constraint on SupplierID and InvoiceNumber.

Explanation

Correct Answer

A:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. For the described situation—An AI-assisted coding session needs to call a corporate SQL MCP server for schema details—the targeted fix is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions. A successful test should show: Only the authorized endpoint and allowed database operations are callable in test sessions.

Incorrect Answers

B:

Fabric MCP tooling is a controlled integration boundary, not blanket cross-workspace authorization. But that technique does not solve the stated problem—An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

C:

AI suggestions can hallucinate features or ignore version differences; execution verification is essential. But that technique does not solve the stated problem—An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

D:

A multicolumn UNIQUE constraint enforces pairwise uniqueness in the engine under concurrent inserts. But that technique does not solve the stated problem—An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

Question 278

An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. What observable outcome proves the recommendation worked?

  1. Only the authorized endpoint and allowed database operations are callable in test sessions.
  2. A test transaction and review prevent unexpected row removal in production.
  3. Assistant-access logs show only approved scope and no high-privilege keys enter its context.
  4. Round-trip tests preserve accents and non-Latin symbols without truncation or replacement.

Explanation

Correct Answer

A:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. The observation “Only the authorized endpoint and allowed database operations are callable in test sessions” directly confirms the chosen action worked for this situation: An AI-assisted coding session needs to call a corporate SQL MCP server for schema details.

Incorrect Answers

B:

Generative suggestions are untrusted code; destructive statements need deterministic safety controls. This observation would not establish that the required result occurred for An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

C:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. This observation would not establish that the required result occurred for An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

D:

Data type and collation selection determine representability, comparisons, and index behavior. This observation would not establish that the required result occurred for An AI-assisted coding session needs to call a corporate SQL MCP server for schema details. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

Question 279

A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. Which design choice BEST addresses the root issue?

  1. Configure repository-level Copilot instruction files specifying SQL conventions and approved practices.
  2. Provide least-privilege read access or a nonproduction copy and keep secrets outside prompts.
  3. Use LAG on an explicitly ordered partition by customer or device.
  4. Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

Explanation

Correct Answer

D:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. For the described situation—A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy—the targeted fix is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions. A successful test should show: Only the authorized endpoint and allowed database operations are callable in test sessions.

Incorrect Answers

A:

Copilot instruction files guide generated suggestions but do not enforce database permissions or accuracy. But that technique does not solve the stated problem—A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

B:

An AI coding tool cannot make elevated secrets safe; supplied context and tool privileges must be governed. But that technique does not solve the stated problem—A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

C:

LAG reads a preceding row within a partition without a self-join for each row. But that technique does not solve the stated problem—A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The needed intervention is Configure and validate the approved MCP server endpoint with scoped identity and tool permissions.

Question 280

A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. Which result would provide the strongest acceptance evidence?

  1. The tool can retrieve allowed schema metadata but cannot modify or expose unrelated assets.
  2. Only the authorized endpoint and allowed database operations are callable in test sessions.
  3. Eligible users can invoke the approved experience while policy restrictions remain enforced.
  4. A multi-row update produces complete corresponding audit rows without unexpected recursion.

Explanation

Correct Answer

B:

MCP exposes tools and context; its trust, identity, and permitted actions require explicit security review. The observation “Only the authorized endpoint and allowed database operations are callable in test sessions” directly confirms the chosen action worked for this situation: A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy.

Incorrect Answers

A:

Fabric MCP tooling is a controlled integration boundary, not blanket cross-workspace authorization. This observation would not establish that the required result occurred for A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

C:

Copilot availability depends on supported platform settings and entitlements, not only local IDE configuration. This observation would not establish that the required result occurred for A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

D:

SQL DML triggers fire per statement and must handle all affected rows, not only one inserted row. This observation would not establish that the required result occurred for A team enables an MCP database tool from an unknown endpoint and assumes its outputs are trustworthy. The confirming test is: Only the authorized endpoint and allowed database operations are callable in test sessions.

Developing AI-Enabled Database Solutions (DP-800) Practice Tests