| Company - DW Product | Oracle - Exadata |
| Company | Oracle has three businesses: database,
applications, and consulting. Its database business is the largest by far and currently represents 80 percent of Oracles new license revenues. |
| Product URL | https://www.oracle.com/database/data-warehouse/index.html |
| STRENGTHS | - Intelligent
Storage Grid - Hybrid Columnar Compression - Smart Flash Cache |
| WEAKNESSES | |
| Deployment Platforms | IBM AIX
Hewlett-Packard HP-UX Linux Microsoft Windows Sun Solaris |
| Server Architecture | Single server platform
Distributed database Real Application Cluster (RAC) Shared, partitioned data Multiple server platforms Server interconnect Any number of readers and writers |
| Data Type Support | Oracle built-in data types (SQL
types): Numeric Binary Character Date time Large objects (max 2 gigabytes) User-defined types (object-oriented types, object identifier types, arrays, nested tables) Oracle-supplied types Spatial Media Text XML |
| Physical Design
Recommendation | Neutral on the physical design
of data warehouses. |
| Physical Implementation | Manual
Template-based via templates and Database Configuration Assistant (DBCA) tool Automated via Oracle managed files |
| Custom Transformations | May be written in:
SQL PL/SQL |
| Summary Table Support | Materialized views automate the
creation and management of summary tables. A materialized view stores the results of a query in a table |
| SQL Extensions | CUBE and ROLLUP in SELECT
Functions Ranking Window aggregate Reporting aggregate Lag/lead Linear regression Inverse percentile Hypothetical rank and distribution First/last Numeric Date time User-defined |
| OLAP | Oracle OLAP is a separatelypackaged
and -priced product that provides OLAP functionality |
| Data Mining | Oracle Data Mining is a separately-
priced and -packaged product. |
This blog is useful for Database, Business Intelligence, Bigdata and Data Science professionals.
January 13, 2016
Oracle Data Warehouse - Exadata
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