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Duration 21 hours
Course Outline
Overview of Oracle Data Warehousing Capabilities
- Structural frameworks and specific operational applications
- Distinctions between transactional and analytical processing environments
- Primary elements of an Oracle data warehousing implementation
Architectural Design of Warehouse Schemas
- Dimensional modeling methodologies: star and snowflake configurations
- Configuration of fact and dimension tables
- Management of slowly changing dimensions (SCD)
Data Ingestion and ETL Methodologies
- Development of extraction, transformation, and loading procedures using SQL and PL/SQL
- Integration via external tables and SQL*Loader utilities
- Implementation of incremental loading and Change Data Capture (CDC) mechanisms
Data Partitioning and Performance Enhancement
- Partitioning techniques: range-based, list-based, and hash-based
- Optimization of query pruning and parallel execution processes
- Best practices for partition-wise joins and structural efficiency
Data Compression and Storage Efficiency
- Application of hybrid columnar compression technologies
- Strategic approaches to data archival
- Balancing storage costs with system performance requirements
Advanced Query Optimization and Analytical Functions
- Utilization of materialized views and automatic query rewrite features
- Application of advanced analytical SQL functions (RANK, LAG, ROLLUP)
- Support for time-series analysis and immediate reporting capabilities
Warehouse Monitoring and System Tuning
- Continuous assessment of query execution efficiency
- Management of resource allocation and workload distribution
- Tailored indexing strategies for data warehousing contexts
Conclusion and Recommended Next Actions
Requirements
- Proficiency in SQL and fundamental Oracle database concepts
- Practical experience with Oracle 12c/19c in administrative or developmental capacities
- Foundational understanding of data warehousing principles
Target Audience
- Developers specializing in data warehouses
- Database administrators
- Business intelligence professionals
Testimonials (1)
good explanation on each points and provide assignment for practices.