Exam DP-300 topic 3 question 22 discussion

Actual exam question from Microsoft's DP-300

Question #: 22
Topic #: 3

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
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You have SQL Server 2019 on an Azure virtual machine.
You are troubleshooting performance issues for a query in a SQL Server instance.
To gather more information, you query sys.dm_exec_requests and discover that the wait type is PAGELATCH_UP and the wait_resource is 2:3:905856.
You need to improve system performance.
Solution: You change the data file for the master database to autogrow by 10 percent.
Does this meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: B 🗳️
You should instead reduce the use of table variables and temporary tables.
Or you could create additional tempdb files
Note: The following operations use tempdb extensively:
* Repetitive create-and-drop operation of temporary tables (local or global).
* Table variables that use tempdb for storage.
* Etc.
Reference:
https://docs.microsoft.com/en-US/troubleshoot/sql/performance/recommendations-reduce-allocation-contention

by valente_sven1 at Sept. 27, 2021, 12:21 p.m.