The short video released by Google Cloud Tech, "Converting SQL Server types and rules to PostgreSQL," explains how to handle "rules within a schema" when migrating databases. [Explanation] Migrating ...

Zepto E-commerce SQL Data Analyst Portfolio Project This is a complete, real-world data analyst portfolio project based on an e-commerce inventory dataset scraped from Zepto — one of India’s ...

3_Flat_to_WH_Build/ ├── 00_load_data.sql # Data import from Google Cloud ├── 01_create_tables.sql # Star schema table creation ├── 02_populate_company_dim.sql # Company dimension population ├── ...

You check `EXPLAIN` during code review and find no slow queries, yet in production, hundreds of SQL statements are being executed. This is the N+1 problem. Even if your index design is correct, ...