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Alibaba ACA-BigData1 Exam - Topic 5 Question 37 Discussion

In order to improve the processing efficiency when using MaxCompute, you can specify the partition when creating a table. That is, several fields in the table are specified as partition columns. Which of the following descriptions aboutMaxCompute partition table are correct? (Number of correct answers: 4)
A) In most cases, user can consider the partition to be the directory under the file system and B) User can specify multiple partitions, that is, multiple fields of the table are considered as the partitions of the table, and the relationship among partitions is similar to that of multiple directories and C) If the partition columns to be accessed are specified when using data, then only corresponding partitions are read and full table scan is avoided, which can improve the processing efficiency and save costs and E) The partition value cannot have a double byte characters (such as Chines.
D) MaxCompute partition only supports string type and the conversion of any other types is not allowed

Alibaba ACA-BigData1 Exam - Topic 5 Question 37 Discussion

Actual exam question for Alibaba's ACA-BigData1 exam
Question #: 37
Topic #: 5
[All ACA-BigData1 Questions]

In order to improve the processing efficiency when using MaxCompute, you can specify the partition when creating a table. That is, several fields in the table are specified as partition columns. Which of the following descriptions aboutMaxCompute partition table are correct? (Number of correct answers: 4)

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Suggested Answer: A, B, C, E

by Clay at May 07, 2022, 10:53 PM

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Melda
7 months ago
Wait, E says no double byte characters? That’s unexpected!
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Alva
7 months ago
D seems off, I thought other types were allowed too?
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Trina
8 months ago
C makes sense, avoids full table scans for sure.
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Nobuko
8 months ago
Totally agree with B, multiple partitions are super useful!
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Nickolas
8 months ago
A is true, partitions act like directories.
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Kristofer
8 months ago
I'm a bit confused by the wording of the question. It seems to be asking about a specific product, but I'm not sure which one is the most relevant. I'll need to re-read the details carefully and think through the options.
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Veronique
8 months ago
I remember practicing with kill commands, but I don't recall if using "-1" or "1" was the correct way to go.
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Hyman
8 months ago
Wait, I'm not sure I understand the margin requirement part. Does that change the calculation somehow?
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Marti
8 months ago
This one seems pretty straightforward. I'm pretty confident the answer is IPCONFIG, since that's the tool we use to configure and view TCP/IP network settings.
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