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grouping-sets

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DW-Master

Willie-Conway / DW-Master

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DW://master is an interactive educational platform for mastering data warehousing concepts — from core architecture to advanced slowly changing dimensions (SCD), schema design, IBM Watsonx.data lakehouse technology, and SQL aggregation analytics. Features an AI tutor powered by Claude Sonnet 4 that answers questions about each topic in real-time📊.

data-engineering data-lake educational cube scd slowly-changing-dimensions data-warehousing data-mart group-by star-schema snowflake-schema data-architecture lakehouse sql-analytics watsonx ai-tutor grouping-sets
  • Updated Mar 6, 2026
  • JavaScript

KonNik88 / sql-analytics-books

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Star-schema data mart on PostgreSQL built from Goodbooks CSVs. Demonstrates advanced SQL (window functions, JSONB, GROUPING SETS), indexes (covering/partial/GIN/pg_trgm), materialized views, incremental MERGE loads, pgTAP tests, and GitHub Actions CI. Includes Docker quickstart and SSH-tunnel instructions

docker performance sql etl analytics dml postgresql indexing data-warehouse full-text-search jsonb data-modeling pgtap data-mart materialized-views star-schema window-functions grouping-sets pgtrgm
  • Updated Oct 6, 2025
  • PLpgSQL

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