Learn how to prevent duplicate writes in Cloudflare D1 using fencing tokens, guarded SQL batches, and revision-based cache ...
An end-to-end Customer Shopping Behaviour Analysis project using Python, PostgreSQL, SQL, and Power BI. Explores customer demographics, purchasing patterns, product preferences, discounts, ...
I will summarize my thoughts after reading "Introduction to SQL for Business Professionals to Enhance Data Analysis Skills".
PES University CSE DBMS Experiential Learning - Level 3 Project: Smart Campus Lost-and-Found + Item Matching Platform (PostgreSQL 16 + pgvector) - suhaasravindra-cmyk/smart-campus-lost-and-found ...
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SQL tricks with billionaires data
Intermediate SQL tutorial demonstrating REGEXP for advanced filtering, IF & CASE statements to create categories, SUBQUERIES for complex analysis, and JOINS for combining multiple tables — all shown ...
For those new to data analysis, I will explain the differences and proper usage of the two tools for organizing complex processes in SQL—subqueries and CTEs (WITH clauses)—by comparing how to write ...
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