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You have a Fabric tenant that contains a lakehouse named Lakehousel. Lakehousel contains a Delta table named Customer.
When you query Customer, you discover that the query is slow to execute. You suspect that maintenance was NOT performed on the table.
You need to identify whether maintenance tasks were performed on Customer.
Solution: You run the following Spark SQL statement:
DESCRIBE DETAIL customer
Does this meet the goal?
Suggested Answer: B
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30 comments · newest first
DE
Denise
11 months ago
Just to clarify, does it really cover all maintenance tasks?
BR
Brice
11 months ago
Sounds right, but I’d double-check the documentation just in case.
TA
Tarra
11 months ago
I’m not so sure, what if the details don’t show maintenance status?
LI
Lilli
12 months ago
Totally agree, it’s a good way to check maintenance!
TE
Terry
12 months ago
That SQL command shows table details, so it should help.
JA
Jame
1 year ago
I feel like this is a trick question. DESCRIBE DETAIL seems useful, but I wonder if it really tells us everything about maintenance tasks performed.
SH
Shawna
1 year ago
I'm a bit confused. I thought we needed to look at specific maintenance logs or commands, but DESCRIBE DETAIL might just give us metadata.
SH
Sheldon
1 year ago
I remember a practice question where we had to check table statistics, and I feel like this might be similar. It could help us understand if maintenance was done.
RA
Raylene
1 year ago
I think running DESCRIBE DETAIL on the table should give us information about its maintenance status, but I'm not entirely sure if it covers everything we need.
SE
Selene
1 year ago
Ah, I see the key here is that the question mentions the query is slow to execute, which suggests the table may not have been properly maintained. The DESCRIBE DETAIL statement should provide insights into the table's health and any potential maintenance issues. I'll focus on that aspect when evaluating the solution.
DA
Davida
1 year ago
I'm a bit confused by the wording of the question. It mentions that the query is slow to execute, but doesn't specify what the goal is in terms of identifying maintenance tasks. I'll need to make sure I understand the underlying issue before I can determine if the solution is appropriate.
AN
Angelyn
1 year ago
Okay, let's see. The question is asking if the DESCRIBE DETAIL statement meets the goal of identifying whether maintenance tasks were performed on the Customer table. I'll need to review the output of that statement to see if it provides the necessary information.
LE
Leanna
1 year ago
Hmm, this looks like a tricky one. I'll need to think through the details carefully to make sure I understand the requirements.
LA
Lavonna
1 year ago
This seems straightforward enough. The DESCRIBE DETAIL statement should give me information about the table, including any maintenance tasks that have been performed. I'll give it a try and see if the output meets the stated goal.
SE
Sean
1 year ago
Okay, I think I've got it. The math.hypot(2,5) should equal the square root of 29, which is approximately 5.39. And the math.floor(2.5) should be 2. I'm feeling confident about those two answers.
LA
Laine
1 year ago
Hmm, I'm a bit unsure about this one. I know the Automated Administration pattern is about automating administrative tasks, but I'm not sure how it connects to the Elastic Resource Capacity pattern. I'll have to think this through carefully.
MA
Malika
2 years ago
Haha, I bet the answer is 'B) No' because the question specifically says 'you suspect that maintenance was NOT performed on the table'. Running DESCRIBE DETAIL isn't going to prove that maintenance wasn't done.
GL
Glory
2 years ago
B) No
AR
Arlie
2 years ago
A) Yes
CY
Cyndy
2 years ago
In that case, running the Spark SQL statement would help identify if maintenance tasks were performed.
SH
Sharika
2 years ago
But what if the maintenance tasks were not performed on Customer?
NA
Nathan
2 years ago
Hmm, I'm not sure if that's the best approach. Wouldn't it be better to check the table's stats or metadata directly instead of relying on a Spark SQL statement?
PE
Pete
2 years ago
You're right, checking the table's stats or metadata directly would probably be more reliable.
IN
In
2 years ago
I think running the Spark SQL statement might not be the best approach.
LI
Lindsay
2 years ago
The DESCRIBE DETAIL command should give you information about the table, including whether maintenance tasks were performed. That seems like a reasonable solution to me.
SA
Samuel
2 years ago
Great, let's go ahead and run that Spark SQL statement to check if maintenance tasks were performed on the Customer table.
AL
Alberto
2 years ago
I agree, running DESCRIBE DETAIL customer should give us the information we need.
HA
Halina
2 years ago
Yes, that should work. It will show if maintenance tasks were performed on the Customer table.
LE
Leandro
2 years ago
I agree with Cyndy, it seems like the right approach.
CY
Cyndy
2 years ago
I think the solution is to run the Spark SQL statement.