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SKL-005

SQL

In ProgressData QueryingAdvancedP0CV Value

Foundation for every analytics deliverable

40%
progress
0h logged / 30h estimatedMode / StrataScratchOpen course →Target: 2026-03-01
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Where I Stopped
Window functions practice set
Next Action
StrataScratch medium set - 10 window function problems
Why This Skill Matters
Decision Supported
Every query, view, and data model decision
Related Projects
All projects
Learning Path
Mode + StrataScratch
Progress Details
Status
In Progress
Start Date
2025-06-01
Target Date
2026-03-01
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Notes & Documentation
Notes & Documentation
1 note
Window functions practice
Journal · 24 Apr 2026
NOTE-002
Completed first 5 StrataScratch window function problems. Still shaky on ROWS vs RANGE frame clauses - need more practice.