Скачать или смотреть 3 Snowflake interview QA (2025 Edition) | 2025-09-12 04:45 PM

📘 Neulax - Snowflake Interview Prep
This video contains 3 Snowflake interview questions with answers.

📝 Questions & Answers:

Q1: What are stages (internal/external)?
A1: Stages are locations for file storage used for loading/unloading data: internal (Snowflake-managed) or external (S3, GCS, Azure). Example: Like a receiving dock inside the library or a partner warehouse outside that you pull files from.

Q2: What are micro-partitions?
A2: Micro-partitions are immutable contiguous units of storage Snowflake uses to store table data physically for pruning and performance. Example: Like organizing books into small sealed boxed ranges so you can quickly skip irrelevant boxes when searching.

Q3: What is automatic clustering and clustering keys?
A3: Clustering keys help co-locate related rows in micro-partitions; automatic clustering (if enabled) maintains clustering for you. Example: Like shelving related books by topic so readers find all related ones on contiguous shelves.

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