Author name: Abhay

DAY 31: Query Profile & Performance Tuning

Yesterday we locked in Domain 3 with a full review and 10 practice questions covering stages, COPY INTO, Snowpipe, streams, tasks, dynamic tables, and connectors. Today we shift gears to Domain 4: Performance & Querying — which carries 21% of the exam, making it the second-heaviest domain after Architecture. And we’re starting with the single […]

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DAY 28: Streams & Tasks: Change Data Capture

Yesterday you learned how Snowpipe and Snowpipe Streaming get data into Snowflake continuously. But here’s the next question: once that data lands in a staging table, how do you detect what changed and propagate those changes downstream — without reprocessing the entire table every time? That’s Change Data Capture (CDC), and Snowflake handles it natively

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