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Oracle9i Data Warehouse Administration
Oracle Training Overview

This course considers how to build, implement, tune and utilize data warehouses with Oracle technology. Logical data warehouse concepts are considered such as dimension tables, fact tables and star schemas. Implementing such logical concepts using the Oracle database is then presented including defining dimensions, hierarchies, measures and other objects. Physical implementation techniques are considered such as bitmap indexes, partitioned tables, materialized views, and others. Emphasis is placed on the parallel execution features of the database and how these can yield significant performance advantages.

This course was formerly called “Building Oracle9i Data Warehouses”.

Oracle Training Prerequisites

  • The course Introduction to Oracle9i: SQL
  • The course Introduction to Oracle9i: PL/SQL Language
  • The course Introduction to Oracle9i: Advanced SQL
Additional Recommended Prerequisites

In addition, the following courses are strongly recommended, although not mandatory, prerequisites:
  • The course Oracle 9i Architecture For Developers
  • The course Oracle 9i New & Advanced Features for Developers
  • The course Oracle 9i SQL Tuning OR
  • The course Oracle 9i Database: Administration – DBA I
  • The course Oracle 9i New & Advanced Features for DBAs
  • The course Oracle 9i SQL Tuning
Oracle Training Audience

Target audience for this course is database administrators, data warehouse administrators and application developers who will be responsible for implementing and using data warehouse technology.

Suggested Next Courses

The course Oracle 9i Discoverer For Power Users

Oracle Training Course Objectives

The objective of this course is to consider present a comprehensive consideration of data warehouse features which exist within the Oracle database. Major subject areas to be explored are:
  • Understanding star schemas and other data warehouse objects.
  • Understanding and encouraging optimization of star queries.
  • Creating and maintaining materialized views to enhance ad-hoc query performance.
  • Creating and maintaining dimensions to enhance ad-hoc query performance.
  • Performing dimensional analysis of data warehouse information.
  • Using the Summary Advisor tool for data warehouse design recommendations
Oracle Training Course duration

5 Days

Oracle Training Course outline

ABOUT DATA WAREHOUSING
  • UNDERSTANDING WAREHOUSE CONCEPTS & TERMS
  • CONTRAST OLTP & WAREHOUSE DATABASES
USING MATERIALIZED VIEWS
  • ENABLE MATERIALIZED VIEWS & QUERY REWRITE
  • CREATE THE MATERIALIZED VIEW
MAINTAINING MATERIALIZED VIEWS
  • MAINTENANCE OPTIONS
  • ABOUT THE TYPES OF VIEWS
  • ALTERING AND DROPPING VIEWS
  • DATA DICTIONARY STORAGE
REFRESHING MATERIALIZED VIEWS
  • SPECIFYING THE DEFAULT REFRESH OPTIONS
  • PERFORMING A REFRESH ON DEMAND
  • IMPLEMENTING FAST REFRESH
MONITOR QUERY REWRITE WITH EXPLAIN PLAN
  • GENERATING THE EXECUTION PLAN
  • VIEWING THE EXECUTION PLAN
  • INTERPRETING THE EXECUTION PLAN
CONTROLLING THE QUERY REWRITE FACILITY
  • QUERY REWRITE OPTIMIZER HINTS
  • UTILIZING CONSTRAINTS WITH QUERY REWRITE
  • QUERY REWRITE INTEGRITY LEVELS
  • QUERY REWRITE INFLUENCES
DIMENSIONS
  • CREATING & MAINTAINING DIMENSIONS
  • DATA DICTIONARY STORAGE
  • DIMENSION SYSTEM-SUPPLIED PACKAGES
THE SUMMARY ADVISOR TOOL
  • THE DBMS_OLAP() PACKAGE
  • INCORPORATING WORKLOAD STATISTICS
  • OEM SUMMARY ADVISOR WIZARD
DIMENSIONAL ANALYSIS OF DATA
  • DATA SAMPLING TECHNIQUES
  • AGGREGATION TECHNIQUES
  • BUILDING THE DATA WAREHOUSE CUBE
AN INTRODUCTION TO THE ANALYTIC FUNCTIONS
  • RANKING FUNCTIONS
  • UNDERSTANDING FUNCTION EXECUTION
INCORPORATING BITMAP INDEXES

STAR QUERIES & THE OPTIMIZER
  • A STAR TRANSFORMATION SCENARIO
  • ENCOURAGING STAR TRANSFORMATION
ETT FEATURES (EXTERNAL TABLES)
  • CREATING & ACCESSING EXTERNAL TABLES
  • PERFORMANCE CONSIDERATIONS
  • VIEWING & ALTERING PROPERTIES OF EXTERNAL TABLES
ETT FEATURES (TABLE FUNCTIONS)
  • IMPLEMENTING A PIPELINED TABLE FUNCTION


 
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