Rampant TechPress Oracle Data Warehouse Management PHẦN 8 pot
Rampant TechPress Oracle Data Warehouse Management PHẦN 8 pot
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Managing CPU Utilization for Data Warehouses in
Oracle8 i
In data warehouses diverse groups of users may look at the data warehouse to
find information ... earlier releases of Oracle you could use
profiles to restrict specific types of resources but this was unwieldy and produced
unpredictable results. New in Oracle8 i is the co...
Rampant TechPress Oracle Data Warehouse Management PHẦN 4 pot
... index-table setup.
Oracle8 i and Tuning of Data Warehouses using Small
Test Databases
In previous releases of Oracle in order to properly tune a database or data
warehouse you had to have data that ... larger than they are in your test
database. The Oracle provided package DBMS_STATS provides the mechanism
by which statistics are manipulated in the Oracle8 i database. This p...
Rampant TechPress Oracle Data Warehouse Management PHẦN 1 ppsx
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Data Warehousing 201 27
Hour 1: 27
Oracle8 i Features 27
Objectives: 27
Oracle8 i SQL Enhancements for Data Warehouses 27
Oracle8 i Data Warehouse Table Options 31
Oracle8 i ... Data Warehousing 68
The DBMS_SUMMARY Package in Oracle8 i 74
DIMENSION Objects in Oracle8 i 81
Managing CPU Utilization for Data Warehouses in Oracle8 i 84
Res...
Rampant TechPress Oracle Data Warehouse Management PHẦN 2 pps
... application to the data warehouse
5. Discuss high-speed loading techniques available in Oracle7
Oracle7 Data Warehouse related Features
Use of Partitioned Views
In late Oracle7 releases the ... so on.)
Data Warehouse Structure
Objectives:
The objectives of this section on data warehouse structure are to:
1. Provide the student with a grounding in schema layout for...
Rampant TechPress Oracle Data Warehouse Management PHẦN 3 ppsx
... use in data warehouses
6. Discuss advanced resource management through plans and groups.
7. Discuss the use of row level security and data warehousing
Oracle8 i SQL Enhancements for Data Warehouses ...
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Data Warehousing 201
Hour 1:
Oracle8 i Features
Objectives:
The objectives for this section on Oracle8 i features are to:
1. Discuss SQL optio...
Rampant TechPress Oracle Data Warehouse Management PHẦN 5 ppsx
... in the user statistics table
IMPORT_DATABASE_STATS
The purpose of the import_database_stats procedure is to retrieve statistics for
all objects in the database from the user statistics table(s) ...
ORA-20000: Object does not exist or insufficient privileges
EXPORT_DATABASE_STATS
Retrieves statistics for all objects in the database and stores them in the user
statistics tables identifie...
Rampant TechPress Oracle Data Warehouse Management PHẦN 6 ppsx
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Stabilizing Execution Plans in a Data Warehouse in
Oracle8 i
In versions of Oracle prior to Oracle8 i the only way to stablize an execution ... later versions of Oracle7 and in
Oracle8 and Oracle8 i, snapshots can be made updatable. As was stated above,
the new materialized view is actually a special form of “sam...
Rampant TechPress Oracle Data Warehouse Management PHẦN 7 pdf
... VARCHAR2(255)
SEARCH_COLUMNS NUMBER
ID NUMBER( 38)
PARENT_ID NUMBER( 38)
POSITION NUMBER( 38)
COST NUMBER( 38)
CARDINALITY NUMBER( 38)
BYTES NUMBER( 38)
OTHER_TAG VARCHAR2(255)
PARTITION_START ... the specified dimension is not available.
DIMENSION Objects in Oracle8 i
DIMENSION objects are used in data warehouse, DSS and Datamart type
applications to provide informat...
Rampant TechPress Oracle Data Warehouse Management PHẦN 9 pptx
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Restricting Access by Rows in an Oracle8 i Data
Warehouse
New to Oracle8 i is the concept of row level access restriction. ... user or group membership. Oracle has
finally given DBAs the functionality of conditional grants in the form of row level
security. In a data warehouse there may be data that i...
Rampant TechPress Oracle Data Warehouse Management PHẦN 10 docx
... SQL and PL/SQL for data loading
3. Discuss aggregation during loading of data warehouses
Loading Techniques
In Oracle7 , Oracle8 and Oracle8 i the standard way to load a data warehouse
involves ... Overview of Oracle Express Server
The Oracle Express system is divided into four main areas, the Oracle Express
Server, the Oracle Express Analyzer, the Oracle Express Ad...