MENU
ion have a Power BI dataset that contains a table named Temperature Readings. Temperature Readings contains the columns shown in the following table.
The table has 12 million rows. All the columns are needed for analysis.
You need to optimize the dataset to decrease the model size. The solution must not affect the precision of the data.
What should you do?
Suggested Answer: B
Get Premium PL-300 Questions
as Interactive Web-Based Practice Test or PDF
Real Exam Format
Detailed Explanations
Instant Access
Get Your Practice Test
Disable Power Query load.
Power Query queries that are intended support data integration with other queries should not be loaded to the model. To avoid loading the query to the model, take care to ensure that you disable query load in these instances.
13 comments · newest first
DE
Devora
12 months ago
Disabling Power Query load is a good idea too!
AL
Alyce
1 year ago
Wait, does rounding really not affect precision?
CH
Chandra
1 year ago
Changing TempCelsius to Integer sounds smart!
MI
Ming
1 year ago
I disagree, rounding Longitude won't help much.
EV
Eva
1 year ago
Splitting DateTime can save space!
AL
Alona
1 year ago
Changing TempCelsius to Integer seems like a good option, but I’m worried it might lose some detail in the data.
AN
Annita
1 year ago
Disabling Power Query load sounds familiar, but I feel like that might not be the right approach for this question.
IL
Ilona
1 year ago
I think rounding the Longitude column could reduce size, but I’m not certain if it would affect precision.
GW
Gwen
1 year ago
I remember something about splitting columns, but I'm not sure if separating DateTime would really help with size.
VA
Van
1 year ago
Okay, I think I've got a good handle on credit shelter trusts. Let me analyze each option and see which ones align with what I know.
JU
Justine
1 year ago
I'm a bit confused by the wording of this question. What exactly do they mean by "correlate the LUN of the data disks to the volume of the virtual machines"? I'll need to think this through carefully.
BE
Benedict
1 year ago
Hmm, I'm a bit confused about the different metric kinds and value types. I'll need to review the details on those before I can confidently select the right approach. Maybe I'll take a closer look at the Stackdriver documentation.
AR
Ariel
1 year ago
I feel like I came across the number 10 during my review, but it's so confusing!