Stream-Static Join for Real-Time Dimension Enrichment

How can we enrich incoming streaming transactions in real time by joining them with a static database table of customers?

Production⏱ 3 Minutes⭐ 860 XP

🤔 THE QUESTION

How can we enrich incoming streaming transactions in real time by joining them with a static database table of customers?

💡 WHAT IS IT?

Joining a streaming DataFrame with a static DataFrame performs lookup enrichment without requiring streaming state stores.

🎯 WHAT IS IT USED FOR?

Augmenting incoming financial payment transactions with customer risk profiles and KYC verification status.

💻 EXAMPLE

df_enriched_stream = streaming_orders.join(df_static_customers, "customer_id", "left")

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