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Core Track

SQL Interrogation

Master the art of the query. On Praxicraft, SQL is used for auditing large-scale warehouses and surfacing deep architectural flaws in performance and data modeling.

Curriculum Milestones

PHASE 01

Warehouse Auditing

Learn to perform deep structural audits of high-scale production warehouses. Focus on data integrity, consistency, and identifying hidden architectural flaws in distributed datasets.

PHASE 02

Performance Tuning

Optimize complex join strategies and execution plans in multi-petabyte environments. Master Explain Plans and index optimization to resolve critical performance bottlenecks.

PHASE 03

Recursive Interrogation

Debug and refactor high-frequency transactional systems. Learn to use recursive CTEs and window functions to solve complex financial auditing and data lineage challenges.

Required Skills

  • Complex Joins & Window Functions
  • Explain Plan & Index Optimization
  • CTEs vs Subqueries performance