PYSPARK ACADEMY • MODULE 28 Deduplication Perform exact distinct deduplication, dropDuplicates on business keys, window row_number() latest state selection, and watermarked stream deduplication.
Advanced 📚 10 Lessons ⭐ 0 / 8450 XP ⏳ In Progress
0 / 10 Lessons Completed (0%) LESSON 221 🔓 Exact Full-Row Deduplication⏱ 3 Mins • ⭐ 800 XP • Advanced
LESSON 222 🔒 Business Key Deduplication with dropDuplicates()⏱ 3 Mins • ⭐ 810 XP • Advanced
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LESSON 223 🔒 Latest Record Deduplication with row_number()⏱ 3 Mins • ⭐ 820 XP • Advanced
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LESSON 224 🔒 Highest Priority Deduplication⏱ 3 Mins • ⭐ 830 XP • Advanced
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LESSON 225 🔒 Duplicate Identification & Audit Log Extraction⏱ 3 Mins • ⭐ 840 XP • Advanced
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LESSON 226 🔒 Handling Late-Arriving Duplicates via Watermarking⏱ 3 Mins • ⭐ 850 XP • Advanced
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LESSON 227 🔒 Incremental Deduplication against Existing Target Table⏱ 3 Mins • ⭐ 860 XP • Advanced
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LESSON 228 🔒 Tie-Breaking with Compound Window Ordering⏱ 3 Mins • ⭐ 870 XP • Advanced
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LESSON 229 🔒 Deduplicating Nested Struct Sub-Records⏱ 3 Mins • ⭐ 880 XP • Advanced
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LESSON 230 🔒 Production CDC Deduplication Pipeline⏱ 3 Mins • ⭐ 890 XP • Advanced
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