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Databricks Certified Data Analyst Associate Exam - Topic 5 Question 32 Discussion

Actual exam question for Databricks's Databricks Certified Data Analyst Associate exam
Question #: 32
Topic #: 5
[All Databricks Certified Data Analyst Associate Questions]

How can a data analyst determine if query results were pulled from the cache?

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Suggested Answer: E

A user-defined function (UDF) is a function defined by a user, allowing custom logic to be reused in the user environment1.To apply a UDF to a table, the syntax isSELECT udf_name(column_name) AS alias FROM table_name2. Therefore, option E is the correct way to use the UDFpriceto create a new columncustomer_pricebased on the existing columnscustomer_spendandcustomer_unitsfrom the tablecustomer_summary.Reference:

What are user-defined functions (UDFs)?

User-defined scalar functions - SQL

V


by Eladia at Jan 24, 2025, 08:01 AM

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Lizbeth
3 months ago
Nah, I think it’s in the Queries tab, not the Data tab.
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Denna
3 months ago
Wait, is there really a cache hit ratio? That's cool!
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Rochell
3 months ago
I thought it was in the Alerts tab?
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Isidra
4 months ago
Totally agree, that's the easiest way!
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Kattie
4 months ago
You can check the Query History tab for cache status.
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Mary
4 months ago
I remember reading about the SQL Warehouse tab, but I thought it was more about managing queries than checking cache.
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Altha
4 months ago
I’m pretty confident that the Queries tab has something to do with cache status, but I can't recall the exact details.
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Gary
4 months ago
I feel like I practiced a question similar to this, and I think it was about the Alerts tab, but that doesn't sound right now.
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Marquetta
5 months ago
I think I remember something about checking the Query History tab for cache status, but I'm not entirely sure if that's the right place.
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Kirk
5 months ago
I've got this one. The key is to go to the Query History tab, click on the query text, and the slideout will show you if the results came from the cache. Simple as that. I just need to remember those steps during the exam.
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Galen
5 months ago
Okay, this seems straightforward. Based on the options, it looks like the best way to check if the query results were pulled from the cache is to go to the Query History tab and look at the details for the specific query. That should show the cache status.
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Verlene
5 months ago
Hmm, I'm a bit confused by this one. I know Databricks SQL has a query cache, but I'm not sure exactly how to check the cache status. I'll need to review the Databricks SQL documentation to make sure I understand the right steps.
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Trevor
5 months ago
I think I can figure this out. The question is asking how to determine if query results were pulled from the cache, and the options mention things like the Query History tab and the Cache Status alert. I'll need to remember where to look for that information.
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Lemuel
10 months ago
Ha! I bet the developers who wrote this question are sitting back and chuckling at how many people are going to get this wrong. Gotta love those tricky certification exams.
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Rana
8 months ago
C) Go to the Queries tab and click on Cache Status. The status will be green if the results from the last run came from the cache.
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Jess
9 months ago
B) Go to the Alerts tab and check the Cache Status alert.
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Jolene
9 months ago
A) Go to the Query History tab and click on the text of the query. The slideout shows if the results came from the cache.
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Arthur
10 months ago
This is a tricky one. I bet the answer is buried somewhere in the Databricks SQL documentation, which is like finding a needle in a haystack. Time to do some serious reading!
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Martin
8 months ago
I prefer going to the SQL Warehouse tab and clicking on Cache to check the cache file contents.
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Valentin
8 months ago
No, you should actually go to the Queries tab and click on Cache Status to see if the results came from the cache.
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Annamae
9 months ago
I think the answer is to go to the Query History tab and check the cache status.
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Delisa
10 months ago
Hold up, are they really asking me to go digging through all these different tabs just to figure out if the results were cached? Talk about a roundabout way to do things.
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Wade
10 months ago
Hmm, the cache status is important, but the question doesn't explicitly say to check the Query History tab. I'll have to think this through carefully.
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Monroe
9 months ago
C) Go to the Queries tab and click on Cache Status. The status will be green if the results from the last run came from the cache.
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Thomasena
9 months ago
B) Go to the Alerts tab and check the Cache Status alert.
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Tora
10 months ago
A) Go to the Query History tab and click on the text of the query. The slideout shows if the results came from the cache.
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Annice
10 months ago
Aha! Finally, a question that tests my understanding of the Databricks SQL query cache. This is crucial for optimizing performance, so I better get this right.
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Dudley
10 months ago
User 2: You can check the cache status in the Query History tab to see if the results came from the cache.
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Francoise
10 months ago
User 1: I always struggle with determining if query results were pulled from the cache.
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Lorean
10 months ago
I'm not sure, but I think option C) Go to the Queries tab and click on Cache Status might also be a good way to check if the results came from the cache.
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Jina
11 months ago
I agree with Isaiah. Checking the query history seems like the best way to determine if the results were pulled from the cache.
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Isaiah
11 months ago
I think the answer is A) Go to the Query History tab and click on the text of the query. The slideout shows if the results came from the cache.
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