Snowflake Exam ARA-C01 Topic 6 Question 24 Discussion

Actual exam question for Snowflake's ARA-C01 exam

Question #: 24
Topic #: 6

Consider the following COPY command which is loading data with CSV format into a Snowflake table from an internal stage through a data transformation query.

This command results in the following error:

SQL compilation error: invalid parameter 'validation_mode'

Assuming the syntax is correct, what is the cause of this error?

AThe VALIDATION_MODE parameter supports COPY statements that load data from external stages only.

BThe VALIDATION_MODE parameter does not support COPY statements with CSV file formats.

CThe VALIDATION_MODE parameter does not support COPY statements that transform data during a load.

DThe value return_all_errors of the option VALIDATION_MODE is causing a compilation error.

Show Suggested Answer

Suggested Answer: C

Effective pruning in Snowflake relies on the organization of data within micro-partitions. By using an ORDER BY clause with clustering keys when loading data into the reporting tables, Snowflake can better organize the data within micro-partitions. This organization allows Snowflake to skip over irrelevant micro-partitions during a query, thus improving query performance and reducing the amount of data scanned12.

* Snowflake Documentation on micro-partitions and data clustering2

* Community article on recognizing unsatisfactory pruning and improving it1

by Roosevelt at Apr 25, 2024, 06:06 PM

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Tanesha

4 months ago

return_all_errors, huh? Sounds like a recipe for a comedy of errors. I bet the engineers at Snowflake are just chuckling away at this one.

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Ona

2 months ago

Rosio: Yeah, it does sound like a recipe for a comedy of errors.

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Laila

2 months ago

User 3: I believe the error is caused by the value return_all_errors of the option VALIDATION_MODE.

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Rosio

2 months ago

User 2: Maybe the VALIDATION_MODE parameter supports COPY statements that load data from external stages only.

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Aleta

3 months ago

User 1: I think the error is because the VALIDATION_MODE parameter does not support COPY statements that transform data during a load.

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Gene

4 months ago

Validation mode not supported for internal stages? That's a real Snowflake-y problem if you ask me. Time to put on my problem-solving hat.

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Karl

4 months ago

I believe option C is correct. The VALIDATION_MODE parameter doesn't support data transformation queries.

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Lashaun

4 months ago

Wait, so they're trying to transform the data while loading it? That's a bold move, Cotton. Let's see if it pays off for them.

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Helaine

3 months ago

B) The VALIDATION_MODE parameter does not support COPY statements with CSV file formats.

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Tabetha

3 months ago

A) The VALIDATION_MODE parameter supports COPY statements that load data from external stages only.

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Ranee

4 months ago

I agree with you, Dierdre. The parameter probably doesn't support data transformation queries.

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Nicolette

4 months ago

Hmm, I'm stumped. Validation mode is usually for external stages, but this is an internal stage. Guess I'll have to dig deeper to figure out what's going on here.

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