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Oracle9i Discoverer For Power Users
Oracle Training Overview

Experienced Oracle Discoverer users are interested in knowing how the advanced features of the Oracle SQL language can be incorporated into Discoverer queries. Within this course users will learn how to enhance their queries through the use of correlated subqueries, functions, processing of hierarchies and other advanced SQL techniques. When these advanced techniques are combined with the ease-of-use features of Oracle Discoverer then users are fully empowered to extract crucial information from their databases and data warehouses.

This course can only be sold in conjunction with Oracle9i Discoverer For Administrators since it is a prerequisite.

Oracle Training Prerequisites

  • The course Oracle9i Discoverer For Administrators
Oracle Training Audience

All Oracle professionals including developers, database administrators, designers and analysts.

Suggested Next Courses

The course Oracle 9i Data Warehouse Administration

Oracle Training Course duration

1 Day(s)

Oracle Training Course outline

ADVANCED QUERIES IN DISCOVERER
  • FAN TRAPS
  • MULTIPLE PATH QUERIES
  • RECURSIVE QUERIES
ANALYTIC FUNCTIONS
  • THE ANALYTIC FUNCTION TEMPLATE
  • TYPES OF ANALYTIC FUNCTIONS
  • RANKING, BANDING
  • EQUI-WIDTH BANDS, EQUI-HEIGHT BANDS
  • BANDS USING GREATEST, CASE, NTILE
  • WINDOWING
  • REPORTING AGGREGATES
  • LAGGING/LEADING
  • LAG()
  • LEAD()
  • OTHER ANALYTIC FUNCTIONS
  • CUME_DIST()
  • PERCENT_RANK()
  • DENSE_RANK()
  • RATIO_TO_REPORT()
  • ROW_NUMBER()
  • STDDEV_POP()
  • FIRST_VALUE()
  • LAST_VALUE()
  • STATISTICAL FUNCTIONS
  • REGR_SLOPE()
  • REGR_INTERCEPT()
  • ANALYTIC FUNCTIONS AND CONDITIONS
HIERARCHICAL QUERIES (CONNECT BY PRIOR)
  • USING HIERARCHICAL RELATIONSHIPS
  • ONE TO MANY (1:N) HIERARCHY
  • MANY TO MANY (M:N) HIERARCHY
  • BILL-OF-MATERIALS EXPLOSION
  • BILL-OF-MATERIALS IMPLOSION
ADVANCED HIERARCHICAL QUERIES
  • EXPANDING DISPLAYS FOR HIERARCHICAL QUERIES
  • ONE TO MANY HIERARCHY - ANY LEVEL DISPLAY
  • MANY TO MANY HIERARCHY - ANY LEVEL DISPLAY
  • CREATING THE HIERARCHY QUERIES IN DISCOVERER DESKTOP
WRITING AND REGISTERING A PL/SQL FUNCTION
  • THE NEED FOR PL/SQL FUNCTIONS
  • WRITING THE FUNCTION
  • REGISTERING THE FUNCTION
  • USING THE FUNCTION
ALTERNATE DATE SORTS
  • CHANGING A DATE FORMAT
  • DATE LOVS
  • DEFINING AN ALTERNATE SORT FOR DATES
DISCOVERER DEBUG TRACE
  • REASONS FOR CREATING A DEBUG TRACE
  • SETTING UP THE DEBUG TRACE
  • GENERATING THE DEBUG TRACE
  • ABOUT THE DEBUG TRACE LOG FILE
  • USING METALINK

 
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