SQL for Data Analysis

  1. Performance Optimization and Best Practices
    1. Query Performance Fundamentals
      1. Query Execution Plans
        1. Reading Execution Plans
          1. Identifying Performance Bottlenecks
            1. Cost-based Optimization
            2. Indexing Strategies
              1. Index Types
                1. B-tree Indexes
                  1. Hash Indexes
                    1. Bitmap Indexes
                      1. Partial Indexes
                      2. Index Selection
                        1. Composite Indexes
                          1. Index Maintenance
                            1. Index Performance Impact
                            2. Query Optimization Techniques
                              1. Avoiding SELECT Asterisk
                                1. Efficient WHERE Clauses
                                  1. Join Optimization
                                    1. Subquery vs Join Performance
                                      1. LIMIT and Pagination Optimization
                                        1. Aggregate Query Optimization
                                        2. Database Design for Performance
                                          1. Normalization vs Denormalization
                                            1. Partitioning Strategies
                                              1. Data Distribution
                                                1. Storage Considerations
                                                2. Code Quality and Maintainability
                                                  1. SQL Formatting Standards
                                                    1. Commenting Best Practices
                                                      1. Naming Conventions
                                                        1. Modular Query Design
                                                          1. Code Reusability
                                                            1. Version Control for SQL
                                                              1. Documentation Standards
                                                              2. Debugging and Troubleshooting
                                                                1. Common SQL Errors
                                                                  1. Debugging Techniques
                                                                    1. Performance Monitoring
                                                                      1. Query Profiling
                                                                        1. Error Handling Strategies

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                                                                      13. SQL for Data Analysis Applications

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                                                                      1. Introduction to SQL and Relational Databases