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Duration 21 hours
Course Outline
Overview of Oracle Data Warehousing
- Data warehouse architecture and practical applications
- Distinctions between OLTP and OLAP workloads
- Essential components of an Oracle DW solution
Designing Warehouse Schemas
- Dimensional modeling approaches: star and snowflake schemas
- Structure and use of fact and dimension tables
- Managing slowly changing dimensions (SCD)
Data Ingestion and ETL Methodologies
- Architecting ETL processes utilizing SQL and PL/SQL
- Implementing external tables and SQL*Loader
- Executing incremental loads and Change Data Capture (CDC)
Partitioning Strategies and Performance
- Various partitioning techniques: range, list, and hash
- Utilizing query pruning and parallel processing capabilities
- Best practices for partition-wise joins
Compression and Storage Efficiency
- Application of hybrid columnar compression
- Strategies for data archival
- Balancing storage optimization for enhanced performance and cost efficiency
Advanced Querying and Analytical Capabilities
- Use of materialized views and automatic query rewrite
- Employing analytical SQL functions (RANK, LAG, ROLLUP)
- Performing time-based analysis and generating real-time reports
Data Warehouse Monitoring and Optimization
- Tracking and analyzing query performance
- Managing resource usage and workloads
- Developing indexing strategies suitable for warehousing environments
Recap and Future Pathways
Requirements
- Proficiency in SQL and fundamental Oracle database concepts
- Professional experience with Oracle 12c/19c in either administrative or development capacities
- Foundational knowledge of data warehousing principles
Target Audience
- Developers specializing in data warehouses
- Database administrators
- Business intelligence specialists
Testimonials (1)
good explanation on each points and provide assignment for practices.