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The Data Bible

A searchable wiki for data analysis. DAP (Data Analysis Process), Python, SQL, visualization, AI tooling, soft skills.

Understand the problem before jumping into analysis. Solve the right problem with the right answer and right data.

Quick navigation

  • Database Administrator — database design, indexing, partitioning, replication, scalability, backup & recovery.
  • Data Engineer — ETL/ELT, data ingestion, pipeline tools, dbt.
  • Analytics Engineer — foundations, data modeling, ELT process, dbt, version control, ADLC.
  • Data Analyst — DAP, Python, SQL, visualization, AI for DA, tools, soft skills.
  • Resources — glossary, templates, cheatsheets, books, tutorials, datasets.