Match each Azure SQL Database monitoring metric to its meaning.
Drag a concept onto its matching description — or click a concept then click the description.
Percentage of DTU or CPU used
Percentage of data I/O limit used
Percentage of log write limit used
Number of deadlocks occurring per minute
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
DTU percentage: Measures the percentage of DTU limit used by the database.
These metrics are used to monitor resource usage and performance in Azure SQL Database.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
DTU percentage: Measures the percentage of DTU limit used by the database.
Why this is correct
DTU percentage reflects the utilization of the allocated DTU in Azure SQL Database.
CPU percentage: Measures the percentage of CPU limit used by the database.
Why this is correct
CPU percentage indicates the average CPU usage relative to the database's limit.
Data IO percentage: Measures the percentage of data I/O limit used by the database.
Why this is correct
Data IO percentage tracks I/O operations against the data storage limit.
DTU percentage: Measures the percentage of CPU limit used by the database.
Why it's wrong here
Incorrect — DTU percentage measures overall DTU usage, not just CPU.
CPU percentage: Measures the percentage of data I/O limit used by the database.
Why it's wrong here
Incorrect — CPU percentage measures CPU, not data I/O.
Data IO percentage: Measures the percentage of DTU limit used by the database.
Why it's wrong here
Incorrect — Data IO percentage measures data I/O, not overall DTU.
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.
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