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Developing AI-Enabled Database Solutions DP-800 Practice Test 66

Question 650

An AI assistant includes DROP TABLE in a generated rollback script for a harmless index change

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. An authenticated test can list authorized metadata but cannot enumerate other customers' workspaces
  2. A test of destructive operations fails while metadata lookup still functions
  3. A representative generated procedure passes the project's transaction-and-rollback test cases
  4. A predeployment check flags the unauthorized DROP operation and blocks deployment

Explanation

Correct Answer

D:

Natural-language prompts do not guarantee safe SQL, so explicit statement-level approval protects critical schema.

Incorrect Answers

A:

AI-tool access should follow user authorization and workspace boundaries rather than tool availability alone.

B:

Least privilege reduces the impact of prompt injection, mistaken tool calls and credential disclosure.

C:

Instruction files influence generation but do not guarantee compliance, so contradictions must be removed and checked.

Question 651

A team requires audited review of database schema modifications before they affect the main branch

Which SQL design or implementation decision most directly addresses this requirement?

  1. Require feature branches and reviewed pull requests for SQL Database Project edits
  2. Add integration tests that exercise application-to-database behavior on a disposable environment
  3. Create database unit tests for the changed logic and expected error paths
  4. Resolve schema merge conflicts in source with database-aware review and a clean build

Explanation

Correct Answer

A:

Branch and pull-request workflow supports review, traceability and controlled merging of schema changes.

Incorrect Answers

B:

Build success does not prove connections, permissions, seed data and business workflows work together.

C:

Unit tests isolate programmable behavior and catch regression before full integration deployment.

D:

Text merges may not produce semantically compatible database designs, requiring explicit conflict resolution.

Question 652

A client needs to search a field with predictable matching rules and performance

Which SQL design or implementation decision most directly addresses this requirement?

  1. Configure DAB searchable fields and appropriate backend indexing
  2. Map authenticated claims to DAB roles and enforce least-privilege SQL database access
  3. Enable Azure Monitor Application Insights telemetry with correlation identifiers for the request path
  4. Configure explicit DAB entity permissions and operations for the intended SQL objects

Explanation

Correct Answer

A:

Search capability should use approved fields and query limits rather than exposing arbitrary free-form SQL.

Incorrect Answers

B:

Application identity, API entity permissions and SQL authorization must jointly prevent overbroad access.

C:

Distributed trace correlation helps associate API failures, dependency latency and service operations.

D:

DAB entity mapping and permissions limit accessible objects and operations, complementing SQL grants.

Question 653

A new API developer proposes running a procedure as though it were a table-valued expression in a JOIN

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A low-privilege caller can perform only approved procedure operations and cannot execute arbitrary table updates
  2. The client receives the intended result only and the procedure still records actual affected-row counts internally
  3. Unit tests compare scalar outputs to known boundary values and query plans avoid unacceptable per-row cost
  4. The reusable logic joins with Orders in a single relational query and produces expected results

Explanation

Correct Answer

D:

Views and TVFs are relational query sources; stored procedures are invoked with EXEC and do not act as arbitrary table expressions.

Incorrect Answers

A:

Stored procedure execution can reduce direct table grants but still needs review of ownership, dynamic SQL, and execution context.

B:

NOCOUNT suppresses DONEINPROC row-count chatter without changing @@ROWCOUNT semantics.

C:

Scalar functions return one value and can encapsulate reusable calculation logic, but implementation choice may affect plan quality.

Question 654

A public endpoint returns every invoice even when a client requests one date range

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. Representative search requests return expected records within the query budget
  2. A sample query retrieves the expected nested orders and unauthorized relationships remain unavailable
  3. A KQL investigation retrieves matched endpoint and database events across the required time window
  4. A filtered request returns only matching permitted rows and disallowed fields remain inaccessible

Explanation

Correct Answer

D:

API filtering reduces unnecessary result transfer but cannot replace server-side authorization.

Incorrect Answers

A:

Search capability should use approved fields and query limits rather than exposing arbitrary free-form SQL.

B:

GraphQL relationships make defined SQL relations traversable through the API without arbitrary client SQL.

C:

Log Analytics supports queryable cross-resource telemetry and Azure Monitor alerting.

Question 655

A database returns structured metadata and developers are manually concatenating JSON string fragments

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A string containing quotes or Unicode is serialized into parseable JSON with the expected properties
  2. A curated sample establishes higher similarity for intended matches than unrelated names
  3. Input samples with varied spacing normalize correctly and unrelated characters remain unchanged
  4. Exactly one newest record is selected for each partition entity, including cases with tied timestamps

Explanation

Correct Answer

A:

JSON_OBJECT produces correctly structured JSON property/value pairs and avoids manual quoting errors.

Incorrect Answers

B:

Normalized edit similarity can be easier to compare across lengths than raw edit operations, though thresholds must be tuned.

C:

Regular-expression replacement handles matching text patterns and should be tested for unintended matches.

D:

Window numbering can select one row per logical partition while a deterministic secondary sort resolves equal timestamps.

Question 656

A developer must switch model deployment for a session without disclosing data to an unapproved endpoint

Which SQL design or implementation decision most directly addresses this requirement?

  1. Configure GitHub Copilot entitlement and repository controls under organizational policy
  2. Select the approved model option and confirm its organizational data controls before sending prompts
  3. Compare generated SQL against security predicates and regression tests before merging
  4. Replace raw sensitive values with sanitized schema and sample fixtures before invoking the AI tool

Explanation

Correct Answer

B:

Model choice affects capability and governance, and prompts must stay within the approved service boundary.

Incorrect Answers

A:

License and repository settings enable assistance while source and secret access boundaries remain separate controls.

C:

AI-generated rewrites can silently alter authorization or semantics even if syntactically valid.

D:

AI-assisted code generation does not waive data classification, retention and exposure restrictions.

Question 657

A document-search service receives images of receipts and plain text invoices but the chosen model accepts only text

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A test update invokes one logical embedding refresh even when the event is delivered twice
  2. A no-change test batch makes no model calls and changed rows are refreshed correctly
  3. Failures are traceable by request ID while logs exclude secrets and protected document text
  4. Image-based fixtures and equivalent text fixtures produce usable grounded outputs within budget

Explanation

Correct Answer

D:

A text-only model cannot directly process raw images, while multimodal inputs require tested format, cost and safety handling.

Incorrect Answers

A:

Functions can process detected row changes automatically but require connection, concurrency and retry safeguards.

B:

Incremental content tracking saves model calls and avoids rewriting vectors with no semantic change.

C:

Operational logs can reveal sensitive source text or access tokens if not carefully configured.

Question 658

An API submits an order with hundreds of item IDs and using CSV parsing is slow and error-prone

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A permitted view insert creates exactly the expected normalized base records with correct rollback behavior
  2. Two consumers query the same view and receive consistent authorized columns and predicates
  3. A 500-item request preserves each typed key and processes the set transactionally
  4. The client receives the intended result only and the procedure still records actual affected-row counts internally

Explanation

Correct Answer

C:

TVPs provide typed relational input for multirow procedure operations without ad hoc concatenated SQL.

Incorrect Answers

A:

INSTEAD OF triggers replace the original DML action and must implement the full intended persistence behavior.

B:

Views centralize a logical query definition without storing an independent copy of rows by default.

D:

NOCOUNT suppresses DONEINPROC row-count chatter without changing @@ROWCOUNT semantics.

Question 659

A metadata-only AI workflow runs with credentials that can drop production tables

Which SQL design or implementation decision most directly addresses this requirement?

  1. Create a narrowly scoped read-only identity or role for the assistant's metadata retrieval
  2. Store reviewed repository-specific instructions in a GitHub Copilot instruction file
  3. Supply vetted schema metadata through a governed read-only tool rather than invent names
  4. Require parameterized execution and test generated SQL for injection vulnerabilities

Explanation

Correct Answer

A:

Least privilege reduces the impact of prompt injection, mistaken tool calls and credential disclosure.

Incorrect Answers

B:

Instruction files can guide generated suggestions toward local style and safety expectations, but must still be reviewed.

C:

Grounded schema context helps prevent nonexistent objects but still requires verification of generated SQL.

D:

Generated SQL must meet normal secure-coding requirements; a model does not sanitize input automatically.

Question 660

A DAB service exposes endpoints but role names differ from the organization's signed-in identities

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A test insert produces the expected event and the subscriber can replay or recover according to its contract
  2. Unauthenticated requests fail where required and test role claims allow only approved queries
  3. The consumer sees changed keys since its checkpoint and handles retention-window expiration correctly
  4. A seeded event completes the approved stages and a transient connector failure follows the defined retry behavior

Explanation

Correct Answer

B:

Application identity, API entity permissions and SQL authorization must jointly prevent overbroad access.

Incorrect Answers

A:

CES can publish database changes into an event architecture, but supported platform and ordering guarantees must be checked.

C:

Change Tracking reports which rows changed since a version without storing a full sequence of each column change.

D:

Logic Apps orchestrate heterogeneous connectors and retries more directly than embedding cross-service calls in a SQL trigger.

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

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