🗃️ Advanced SQL Mastery Roadmap

An intensive 8-12 week program to master enterprise-level SQL. Focus on query optimization, advanced analytics, data warehouse design, and performance tuning for data professionals.

🎯 Enterprise SQL Skills You'll Master

Query Optimization

Performance tuning and execution plans

Advanced Analytics

Window functions and statistical queries

Data Warehouse Design

ETL processes and dimensional modeling

Enterprise Security

Database security and compliance

📅 Advanced SQL Mastery Journey

From intermediate SQL to enterprise database architect

1-3

🚀 Advanced Query Mastery

Complex SQL patterns and optimization techniques

🎯 Week 1: Complex Joins & Subqueries

  • • Advanced JOIN patterns (LATERAL, CROSS APPLY)
  • • Correlated vs. non-correlated subqueries
  • • Common Table Expressions (CTEs)
  • 🎯 Project: Complex sales analysis query

📊 Week 2: Window Functions Mastery

  • • ROW_NUMBER, RANK, DENSE_RANK
  • • Running totals and moving averages
  • • LAG, LEAD for time-series analysis
  • 🎯 Project: Financial trend analysis dashboard

⚡ Week 3: Query Optimization

  • • Execution plan analysis
  • • Index design and optimization
  • • Query rewriting techniques
  • 🎯 Project: Performance tuning case study
4-6

🏢 Data Warehouse Architecture

Enterprise data modeling and ETL processes

🏗️ Week 4: Dimensional Modeling

  • • Star and snowflake schemas
  • • Fact and dimension table design
  • • Slowly Changing Dimensions (SCD)
  • 🎯 Project: Retail data warehouse schema

🔄 Week 5: ETL/ELT Processes

  • • MERGE statements and UPSERT operations
  • • Bulk loading techniques
  • • Data quality and validation
  • 🎯 Project: Automated ETL pipeline

📈 Week 6: OLAP & Cubes

  • • CUBE, ROLLUP, and GROUPING SETS
  • • Materialized views and aggregations
  • • Partitioning strategies
  • 🎯 Project: OLAP reporting solution
7-9

📊 Advanced Analytics

Statistical analysis and predictive modeling

📈 Week 7: Time Series Analysis

  • • Date/time functions and calendars
  • • Seasonal analysis and trends
  • • Cohort analysis techniques
  • 🎯 Project: Customer lifecycle analysis

🔢 Week 8: Statistical Functions

  • • Percentiles, quartiles, and distributions
  • • Correlation and regression analysis
  • • Outlier detection techniques
  • 🎯 Project: Risk analysis model

🎯 Week 9: Advanced Patterns

  • • Recursive queries and hierarchies
  • • Graph traversal in SQL
  • • Pivot and unpivot operations
  • 🎯 Project: Organizational hierarchy analysis
10-12

🏢 Enterprise Database Management

Security, performance, and administration

🔒 Week 10: Security & Compliance

  • • Role-based access control (RBAC)
  • • Data masking and encryption
  • • Audit trails and compliance
  • 🎯 Project: GDPR-compliant data model

⚡ Week 11: Performance & Scaling

  • • Database sharding and replication
  • • Connection pooling and caching
  • • Cloud database optimization
  • 🎯 Project: Scalability assessment

🚀 Week 12: Modern SQL & Portfolio

  • • JSON/XML data handling
  • • Integration with modern analytics tools
  • • Portfolio project completion
  • 🎯 Project: Enterprise data solution

💼 Enterprise SQL Applications

Master SQL patterns used in Fortune 500 companies

📊

Financial Reporting

Complex financial calculations, regulatory reporting, and risk analysis

🛒

E-commerce Analytics

Customer behavior analysis, inventory optimization, and sales forecasting

🏥

Healthcare Data

Patient outcomes analysis, compliance reporting, and clinical research

🏭

Manufacturing Intelligence

Supply chain optimization, quality control, and predictive maintenance

🚀 Ready to Master Enterprise SQL?

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