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Duration 21 hours (3 days)
Course Outline
Introduction to Data Warehousing with Oracle
- Overview of data warehouse architecture and common application scenarios.
- Comparison of OLTP versus OLAP workloads.
- Essential components of an Oracle Data Warehouse solution.
Designing Warehouse Schemas
- Dimensional modeling techniques, including star and snowflake structures.
- Structure of fact tables and dimension tables.
- Managing Slowly Changing Dimensions (SCD).
Data Loading and ETL Methodologies
- Designing ETL workflows utilizing SQL and PL/SQL.
- Leveraging external tables and SQL*Loader for data ingestion.
- Implementing incremental loads and Change Data Capture (CDC).
Partitioning and Performance Management
- Various partitioning approaches: range, list, and hash.
- Techniques for query pruning and parallel processing.
- Best practices for partition-wise joins.
Storage Optimization and Compression
- Application of Hybrid Columnar Compression.
- Strategies for archiving data.
- Balancing storage optimization for performance and cost efficiency.
Advanced Analytics and Query Capabilities
- Utilizing materialized views and automatic query rewrite.
- Working with analytical SQL functions such as RANK, LAG, and ROLLUP.
- Conducting time-based analysis and generating real-time reports.
Data Warehouse Monitoring and Tuning
- Tracking and analyzing query performance.
- Managing resource consumption and workload distribution.
- Selecting appropriate indexing strategies for data warehousing.
Recap and Future Directions
Requirements
- Solid grasp of SQL and fundamental Oracle database concepts.
- Practical experience with Oracle 12c/19c in either administrative or development capacities.
- Foundational understanding of data warehousing principles.
Target Audience
- Professionals specializing in data warehouse development.
- Database administrators.
- Business intelligence specialists.
Testimonials (1)
good explanation on each points and provide assignment for practices.