2025 Snowflake Best Practices Flashcards

1
Q

What is the architecture behind Snowflake

A

Hybrid of Shared Disk and Share Nothing

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2
Q

What can you do with your warehouse to handle complex queries

A

Scale up

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3
Q

Where should ORDER BY be in a query with a subquery?

A

In the top-level select only

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4
Q

Which is more performant, INSERT or COPY

A

COPY (Insert is row by row, copy is bulk)

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5
Q

What columns should be preferred for deleting and inserting

A

DATE and NUMERIC

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6
Q

Why would you presort your data before loading to Snowflake

A

Enables Snowflake to automatically partition based on natural ingestion order

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