Match each Azure SQL Database error code to its meaning.
Drag a concept onto its matching description — or click a concept then click the description.
Service is busy; retry the request later
Database is not currently available
Cannot open server '%.*ls' requested by the login
Login failed for user
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
4060: Cannot open database requested by the login. Login failed.
Common Azure SQL Database error codes: 4060 (database not accessible), 18456 (login failure), 40197 (transient error), 40501 (throttling). Distractors swap the definitions between 4060 and 18456.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
4060: Cannot open database requested by the login. Login failed.
Why this is correct
Error 4060 indicates that the specified database cannot be opened; often due to permissions or database not existing.
18456: Login failed for user 'username'.
Why this is correct
Error 18456 is a generic login failure, often due to invalid credentials or disabled account.
40197: The service has encountered an error processing your request. Please try again.
Why this is correct
Error 40197 is a transient error indicating a temporary issue; retrying usually resolves it.
40501: The service is currently busy. Please retry the request after a delay.
Why this is correct
Error 40501 indicates throttling due to resource limits; retry after a backoff period.
4060: Login failed for user 'username'.
Why it's wrong here
Incorrect — login failure is error 18456, not 4060. Error 4060 is about database access.
18456: Cannot open database requested by the login.
Why it's wrong here
Incorrect — database open failure is error 4060, not 18456. Error 18456 is login failure.
Go deeper
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
About these practice questions
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-300 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-300 exam.