DP-800 Premium File
- 101 Questions & Answers
- Last Update: Nov 12, 2026
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?
Natural-language prompts do not guarantee safe SQL, so explicit statement-level approval protects critical schema.
AI-tool access should follow user authorization and workspace boundaries rather than tool availability alone.
Least privilege reduces the impact of prompt injection, mistaken tool calls and credential disclosure.
Instruction files influence generation but do not guarantee compliance, so contradictions must be removed and checked.
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?
Branch and pull-request workflow supports review, traceability and controlled merging of schema changes.
Build success does not prove connections, permissions, seed data and business workflows work together.
Unit tests isolate programmable behavior and catch regression before full integration deployment.
Text merges may not produce semantically compatible database designs, requiring explicit conflict resolution.
A client needs to search a field with predictable matching rules and performance
Which SQL design or implementation decision most directly addresses this requirement?
Search capability should use approved fields and query limits rather than exposing arbitrary free-form SQL.
Application identity, API entity permissions and SQL authorization must jointly prevent overbroad access.
Distributed trace correlation helps associate API failures, dependency latency and service operations.
DAB entity mapping and permissions limit accessible objects and operations, complementing SQL grants.
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?
Views and TVFs are relational query sources; stored procedures are invoked with EXEC and do not act as arbitrary table expressions.
Stored procedure execution can reduce direct table grants but still needs review of ownership, dynamic SQL, and execution context.
NOCOUNT suppresses DONEINPROC row-count chatter without changing @@ROWCOUNT semantics.
Scalar functions return one value and can encapsulate reusable calculation logic, but implementation choice may affect plan quality.
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?
API filtering reduces unnecessary result transfer but cannot replace server-side authorization.
Search capability should use approved fields and query limits rather than exposing arbitrary free-form SQL.
GraphQL relationships make defined SQL relations traversable through the API without arbitrary client SQL.
Log Analytics supports queryable cross-resource telemetry and Azure Monitor alerting.
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?
JSON_OBJECT produces correctly structured JSON property/value pairs and avoids manual quoting errors.
Normalized edit similarity can be easier to compare across lengths than raw edit operations, though thresholds must be tuned.
Regular-expression replacement handles matching text patterns and should be tested for unintended matches.
Window numbering can select one row per logical partition while a deterministic secondary sort resolves equal timestamps.
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?
Model choice affects capability and governance, and prompts must stay within the approved service boundary.
License and repository settings enable assistance while source and secret access boundaries remain separate controls.
AI-generated rewrites can silently alter authorization or semantics even if syntactically valid.
AI-assisted code generation does not waive data classification, retention and exposure restrictions.
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?
A text-only model cannot directly process raw images, while multimodal inputs require tested format, cost and safety handling.
Functions can process detected row changes automatically but require connection, concurrency and retry safeguards.
Incremental content tracking saves model calls and avoids rewriting vectors with no semantic change.
Operational logs can reveal sensitive source text or access tokens if not carefully configured.
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?
TVPs provide typed relational input for multirow procedure operations without ad hoc concatenated SQL.
INSTEAD OF triggers replace the original DML action and must implement the full intended persistence behavior.
Views centralize a logical query definition without storing an independent copy of rows by default.
NOCOUNT suppresses DONEINPROC row-count chatter without changing @@ROWCOUNT semantics.
A metadata-only AI workflow runs with credentials that can drop production tables
Which SQL design or implementation decision most directly addresses this requirement?
Least privilege reduces the impact of prompt injection, mistaken tool calls and credential disclosure.
Instruction files can guide generated suggestions toward local style and safety expectations, but must still be reviewed.
Grounded schema context helps prevent nonexistent objects but still requires verification of generated SQL.
Generated SQL must meet normal secure-coding requirements; a model does not sanitize input automatically.
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?
Application identity, API entity permissions and SQL authorization must jointly prevent overbroad access.
CES can publish database changes into an event architecture, but supported platform and ordering guarantees must be checked.
Change Tracking reports which rows changed since a version without storing a full sequence of each column change.
Logic Apps orchestrate heterogeneous connectors and retries more directly than embedding cross-service calls in a SQL trigger.
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