SQL Analytics
Write advanced SQL — window functions, CTEs, and query optimisation.
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After this skill you can…
- Write window functions (ROW_NUMBER, LAG, LEAD)
- Build reusable CTEs
- Explain query plans and add indexes
Prerequisites
Watch (10 videos)
Converting SQL Server code to PostgreSQL
→ Convert SQL Server code to PostgreSQL→ Understand key differences in SQL syntax
Stop Watching SQL Tutorials (Do This Instead)
→ Solve business problems using SQL→ Explain SQL thought process→ Handle messy data scenarios
Structured Learning | Real-World Skills | Hands-on Practice | Data Analytics | The iScale
→ Write efficient SQL queries→ Design and implement data analytics projects
5 Steps In Data Science Interview Preparation | Data Science Interview Prep | #Shorts | #Simplilearn
→ Write SQL queries→ Optimize SQL queries→ Analyze data with SQL
Best Data Analyst Courses | Top Data Analyst Certification Courses Online | #Shorts | #Simplilearn
→ Learn SQL basics→ Apply SQL to data analysis→ Use SQL for data visualization
Like Statement in PostgreSQL | Using LIKE to find Patterns
→ Apply SQL skills to real-world problems→ Use SQL to analyze data
Create an SQL Performance Improvement Agent
→ Optimize SQL Queries→ Improve Database Performance→ Reduce Query Costs
Converting SQL Server types and rules to PostgreSQL
→ Migrate database schemas→ Convert SQL Server types to PostgreSQL→ Preserve data integrity
How to Learn Data Analytics in 2026 (Step-by-Step Beginner's Guide) | Intellipaat
→ Write SQL queries→ Work with databases
Question #2: AI ke baad Data Analyst ka role khatam ho jayega? 🤖
→ Learn SQL for data analysis→ Use SQL to solve business problems
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