Implementando e Administrando Data Warehouse

DWA10g - Implementando e Administrando Data Warehouse

Descrição:

This course is intended for database administrators, system administrators, and database application developers who design, maintain, and use data warehouses. Before attending this course, you should be familiar with relational database concepts, basic data warehouse theory, Oracle server concepts including application and server tuning, and the operating system environment under which you are running the Oracle Database Server.

Tópicos:

• Data Warehouse Design
• Logical Versus Physical Design in Data Warehouses
• Data Warehousing Schemas
• Data Warehousing Objects
• Physical Design in Data Warehouses
• Hardware and I/O Considerations


• Data Warehousing Schemas
• Star Schema Model
• Snowflake Schema Model
• Tuning Star Queries
• Star Transformation Hints
• Star Transformation Hints
• Static Partition Pruning And Star Query
• Dynamic Partition Pruning And Star Query
• Dynamic Partition Pruning Determination


• Partitioning Basics
• Supported partition types
• Rolling window operations
• Partition pruning
• Partitioning Using a Template


• Extraction, Transportation, and Loading (Extraction and Transportation)
• ETL Tools
• Extraction Methods
• Logical Extraction Methods
• Physical Extraction Methods
• Change Data Capture
• Transportation Using Transportable Tablespaces
• Loading Mechanisms


• ETL-Loading
• Load a formatted flat file into an existing table with SQL*Loader
• Performing basic transformations while loading with SQL*Loader
• External tables using oracle_loader driver
• External tables using oracle_datapump driver
• Loading data with OCI and Direct-path APIs


• ETL-Transformation
• Transformation Using SQL
• Transformation Using PL/SQL
• Transformation Using Table Functions
• Error Logging and Handling Mechanisms


• Parallelism Concepts
• Parallel Operations
• Degree Of Parallelism
• Parallel Execution Plan
• Operations That Can Be Parallelized
• The PARALLEL Clause
• Parallel Query
• Parallel DDL
• Performance Benefits of Parallel DML


• Parallel Operations in Data Warehouses
• Automated Parallel Query Tuning
• Data Distribution And V$PQ_TQSTAT
• Object Statistics And V$PQ_TQSTAT


• Materialized Views
• Materialized Views Overview
• Types Of Materialized Views
• Nested Materialized Views
• Partitioned Materialized Views
• Refresh Methods and Modes
• Altering/Dropping Materialized Views
• Dimensions and Hierarchies
• Dimensions and the Data Dictionary


• Dimensions
• Creating dimensions
• Validate dimensions data
• View dimension definition information
• Distinguish between dimensions and constraints


• Materialized Views Refresh
• Refresh Methods and Modes
• Identifying Dependent MVs
• Conditions For Complete/Fast Refreshes
• Materialized View Logs
• Parallel Refreshes


• Query Rewrite
• What Can Be Rewritten?
• Enabling Query Rewrite
• Join Compatibility Checks
• Common Joins
• PCT and Query Rewrite
• Query Rewrite using Multiple MVs
• Index Materialized Views


• SQL Access Advisor
• DBMS_OLAP Advisory Procedures
• Workload Management and Sources
• Recommendations
• Workload Filters and Attribute Types
• Tuning of Manually Created Materialized Views
• Fast-Refreshable Materialized Views
• RECOMMEND_MVIEW_STRATEGY procedure


• Data Warehousing System Management
• Statistics Collection
• Resumable Sessions
• Backup and Recovery
• Table Compression
• Security

Duração: 3 dias