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Microsoft DP-600 Exam - Topic 4 Question 21 Discussion

Actual exam question for Microsoft's DP-600 exam
Question #: 21
Topic #: 4
[All DP-600 Questions]

You have a Fabric tenant tha1 contains a takehouse named Lakehouse1. Lakehouse1 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:

EXPLAIN TABLE customer

Does this meet the goal?

Show Suggested Answer Hide Answer
Suggested Answer: B

The Table.Profile function in Power Query is used to generate column statistics such as count, average, null count, distinct count, and standard deviation. You can use this function as follows:

Invoke the Power Query Editor.

Apply the Table.Profile function to your table.

The result will be a table where each row represents a column from the original table, and each column in the result represents a different statistic such as those listed in the requirement.


by Blair at Sep 08, 2024, 08:54 PM

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Melodie
3 months ago
It's a good start, but not the whole solution.
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Miriam
3 months ago
Really? I thought you needed more than just EXPLAIN.
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Timothy
4 months ago
Definitely meets the goal!
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Lillian
4 months ago
I think it won't give you the full picture.
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Lynette
4 months ago
Yes, EXPLAIN TABLE shows maintenance info.
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Bette
4 months ago
I believe the answer is B. EXPLAIN TABLE doesn't directly tell us about maintenance; we might need to look at other commands for that.
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Sunshine
4 months ago
I feel like this question is tricky. EXPLAIN TABLE could help with understanding performance issues, but does it really confirm maintenance tasks?
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Lorriane
5 months ago
I remember a practice question where we had to check table statistics. EXPLAIN TABLE might not cover that aspect.
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Honey
5 months ago
I think running EXPLAIN TABLE might give us some insights into the table's structure, but I'm not sure if it shows maintenance history.
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Lynelle
5 months ago
I'm a bit unsure about this one. The EXPLAIN TABLE statement might give me some insights, but I'm not confident it will directly answer whether maintenance tasks were performed. I think I'll need to dig a bit deeper to find the right approach.
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Lavonne
5 months ago
The EXPLAIN TABLE statement sounds like a good starting point to me. It should provide details on the table structure, partitioning, and any optimization that has been applied. If the output shows the table is not optimized, that could indicate maintenance hasn't been performed.
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Ronna
5 months ago
Hmm, I'm not sure if the EXPLAIN TABLE statement is the right approach here. Wouldn't I need to look at some table metadata or statistics to see if maintenance has been done? I'm a bit confused on the best way to approach this.
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Annelle
5 months ago
I think the EXPLAIN TABLE statement should give me some information about the table structure and optimization, which could help identify if maintenance tasks were performed. I'll give it a try.
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Candra
11 months ago
The EXPLAIN TABLE statement is a good start, but it's not going to directly answer the question of whether maintenance tasks were performed. It's like trying to solve a mystery by reading the table of contents - you need to dig a little deeper to find the real clues.
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Walton
9 months ago
User4: Agreed, we might need to dig deeper to find the real clues.
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Shawnee
9 months ago
User3: Maybe we should try a different approach to check for maintenance tasks.
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Angelyn
9 months ago
User2: Yes, that's a good start, but it may not directly tell us if maintenance tasks were performed.
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Yuonne
10 months ago
User1: I think we should run the EXPLAIN TABLE statement on Customer.
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Suzi
11 months ago
But what if the query is slow because of something else? Maybe we should consider other options too.
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Marjory
11 months ago
I agree with Dudley, that should help identify if maintenance tasks were performed on Customer.
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Truman
11 months ago
Hmm, I don't think the EXPLAIN TABLE statement is the right solution here. It's like trying to figure out if your car needs an oil change by looking at the engine blueprint - it's just not the right tool for the job.
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Garry
10 months ago
User2: We need a different approach to check if maintenance was done on the table.
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Rickie
10 months ago
User1: I agree, EXPLAIN TABLE won't tell us if maintenance tasks were performed on Customer.
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Francisca
11 months ago
While the EXPLAIN TABLE statement can give you insights into the table's structure and performance, it won't tell you whether maintenance tasks have been performed. You'll need to look at other metadata or logs to determine that.
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Jose
11 months ago
The EXPLAIN TABLE statement doesn't directly identify whether maintenance tasks were performed on the Customer table. It provides information about the table's structure and execution plan, but doesn't indicate if any maintenance activities have been carried out.
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Arminda
9 months ago
User1: Maybe we should look for other ways to verify if maintenance was done on the table.
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Vanda
10 months ago
User3: So, should we try a different approach to check for maintenance tasks?
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Shanice
10 months ago
User2: Yes, you're right. It only gives us the table's structure and execution plan.
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Kallie
10 months ago
User1: I think the EXPLAIN TABLE statement won't tell us if maintenance tasks were performed on Customer.
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Dudley
11 months ago
I think the solution is to run EXPLAIN TABLE customer.
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