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data mart → finance. In a dependent data mart, the data can be derived from an enterprise-wide data warehouse. In … an independent data mart, data can be collected directly from sources. … A data warehouse that is designed for a particular line of business, such
Transportable Tablespaces Example Suppose that you have a data warehouse containing sales data, and… → example, the tablespace ts_temp_sales could contain multiple tables. For example, perhaps the data mart … The current month's data must be placed into a separate tablespace in order to be transported. In … this example, you have a tablespace ts_temp_sales, which holds a copy of the current month's data … . Using
Step 3 Copy the Datafiles and Export File to the Target System → data mart platform, using any transportation mechanism for flat files. Once the datafiles have been … Copy the data files that make up ts_temp_sales, as well as the export file jan_sales.dmp to the
Step 4 Import the Metadata → Once the files have been copied to the data mart, the metadata should be imported into the data … mart. You can incorporate this new data into the data mart's tables. You can insert the data from … a permanent part of the data mart.
Loading Data into Data Warehouses → A popular and efficient way to load data into a data warehouse or data mart is to use SQL*Loader … with the DIRECT or PARALLEL option, Data Pump, or to use another loader tool that uses the Oracle … -phase. In one-phase loading, data is loaded directly into the target table, quality
Overview of Transportation in Data Warehouses → data warehouse to a data mart Transportation is often one of the simpler portions of the ETL process … Transportation is the operation of moving data from one system to another system. In a data … warehouse environment, the most common requirements for transportation are in moving data
2 Creating Relational Data Objects → After you finish designing your data warehouse or data mart, you are ready to design your target … system. This chapter shows you how to create relational data objects.
Configure I/O for Bandwidth not Capacity → , consider a 200GB data mart. Using 72GB drives, this data mart could be built with as few as six drives … Storage configurations for a data warehouse should be chosen based on the I/O bandwidth that they … data, but cannot provide the same I/O throughput as a larger number of small
Contents → Conventions What's New in Oracle Database? Oracle Database 11g Release 2 (11.2) New Features in Data … Warehousing Oracle Database 11g Release 1 (11.1) New Features in Data Warehousing Part I Concepts 1 … Data Warehousing Concepts What is a Data Warehouse? Subject Oriented Integrated Nonvolatile Time … Variant
Overview of Materialized View Management Tasks → longer useful. After the initial effort of creating and populating the data warehouse or data mart, the … materialized views should be dropped. Archiving old detail and materialized view data that is no … incremental changes from the operational systems. Transforming the data. Verifying that the incremental
Rolling Materialized Views → data mart contains a time dimension, it is often desirable to archive the oldest information and … and then repopulate the partition with new data. Oracle Database uses this variant of fast refresh … or list partitioned. PCT refresh is nonatomic. Rolling Materialized Views When a data warehouse or … maintenance
Transportation Using Transportable Tablespaces → a staging database to a data warehouse, or in moving data from a data warehouse to a data mart. … Oracle transportable tablespaces are the fastest way for moving large volumes of data between two … Oracle databases. Previous to the introduction of transportable tablespaces, the most
Extraction Through Distributed Operations → table in a data mart, country_city, and populates it with data from the countries and customers tables … Extracting into Flat Files Using SQL*Plus The most basic technique for extracting data is to … customized format. Note that, using the external table data pump unload facility, you can also extract
subject area → knowledge. A data mart is often developed to support a subject area such as sales, marketing, or geography.
Benefits of Using Transportable Modules → transportable modules to copy from a read-only data mart to multiple departmental databases. In this way, you … takes relatively less time, you can publish and distribute a data mart for daily analytical or … Before the introduction of transportable modules, the most scalable data transportation method
third normal form schema → significant data loading requirements that is used to feed a data mart and execute long-running queries. Compare with snowflake schema and star schema. … normal form schemas are sometimes chosen for a large data warehouse, especially an environment with
Contents → Conventions Part I Logical and Physical Data Model 1 Introducing Oracle Communications Data Model … Overview of Oracle Communications Data Model What Are the Benefits of Using Oracle Communications Data … Model? What Are the Components of Oracle Communications Data Model? What Oracle Technologies are
Contents → Accessibility Related Documents Conventions 1 Introducing Oracle Retail Data Model What is Oracle Retail … Data Model? New Features in Oracle Retail Data Model What Are the Components of Oracle Retail Data … Model Oracle Products That Make Up Oracle Retail Data Model Part I Logical and Physical Data
Contents → Conventions What's New in Oracle Data Mining Administration? Oracle Database 11 g Release 2 (184.108.40.206 … ) Oracle Data Mining Oracle Database 11 g Release 2 (220.127.116.11) New Features in Oracle Data Mining Oracle … Database 11g Release 1 New Features in Oracle Data Mining 1 Getting Started with Oracle Data
Contents → Conventions Part I Logical and Physical Data Model 1 Introducing Oracle Airlines Data Model What is … Oracle Airlines Data Model? What Are the Benefits of Using Oracle Airlines Data Model? What Are the … Components of Oracle Airlines Data Model? Oracle Products That Make Up Oracle Airlines Data