Wednesday, March 30, 2011



v Oracle Discoverer (like Oracle Reports) is part of Oracle's Business Intelligence set of tools.
v Oracle Discoverer is intended to provide end users easy access to data and allow them to do data analysis and set-up ad-hoc queries. .
v Oracle Discoverer provides business users with data analysis capabilities, regardless of whether the RDBMS was designed for an OLTP system or as a data warehouse.
v Discoverer is an ad hoc reporting tool It allows end users to quickly create reports without the need for knowledge of SQL.
Oracle Discoverer is a business intelligence toolset that comprises:
v Oracle Discoverer Administrator- Its design determines how users access and view data.
v Oracle Discoverer Desktop- It provides logical and intuitive access to information from your organization’s relational databases for ad hoc query, analysis, and reporting.
v Oracle Discoverer Plus- Same as above on web.
v Oracle Discoverer Viewer- for viewing workbooks created by users of the Windows or Web releases of the Discoverer Plus.
Discoverer Components

What features does Discoverer support for Oracle Applications users?
Ad-hoc query access to Oracle Applications databases using Oracle Applications user names, passwords and responsibilities
Oracle Applications mode EULs
An Oracle Applications mode EUL is a Discoverer End User
Layer based on an Oracle Applications schema (containing
the Oracle Applications FND (Foundation) tables and
Oracle Applications multiple reporting currencies
Oracle Applications multiple organizations
Connect dialog in Oracle Applications mode

Connectivity details.

Connect to standard
The Oracle Applications User check box is not displayed in the Connect dialog and Discoverer expects standard database users.
Connect to applications EULs
The Oracle Applications User check box is not displayed in the
Connect dialog but Discoverer expects users to connect using an Applications user id/password and Oracle Applications database connect string.
Connect to both standard
and applications EULs
The Oracle Applications User check box is displayed in the Connect dialog and (depending on whether the check box is cleared or selected) you can connect to either standard or Oracle Applications database EULs.
v Specify the type of EUL to connect to by selecting one of the following option:
v Gateway User ID (GWYUID)/Password

v You can enter your Gateway User ID and Password here (the default value used is 'applsyspub/pub' if you enter nothing here).
v Foundation Name (FNDNAM) -- FND NAME

v You can enter the Foundation Name (the default value used is 'apps' if you enter nothing here).

Before you connect to Oracle Discoverer as an Oracle Applications user, you must configure the Connect dialog to default to Oracle Applications users.
Select Tools > Options to display the "Options dialog: Connection tab":

After connecting to Oracle Discoverer as an Oracle Applications user, you must find an check box as shown in the fig.

What is Oracle Discoverer Administrator?

Oracle9i Discoverer Administrator is one of the components of Oracle Discoverer.
Discoverer Administrator is a tool to hide the complexity of the database from business users, so they can answer business questions quickly and accurately using Oracle Discoverer.
Discoverer Administrator’s wizard-style interfaces enable you to:
(i) set up and maintain the End User Layer (EUL)
(ii) control access to information
(iii) create conditions and calculations for Discoverer
end users to include in their worksheets
Users of Discoverer Administrator are called Discoverer managers.

Sample Report to be Developed
‘Order Details’ report from ‘Order Management’ has been identified to be developed in this training
The report has two tables.
Create an EUL (mandatory if one does not exist already).
v EUL resides between the database dictionary/table definitions and Discoverer.
v EUL insulates Discoverer end users from the complexity and physical structure of the database.
v Provides an intuitive, business-focused view of the database
v Enables Discoverer end users to focus on business issues instead of data access issues.
v The metalayer structure of the EUL preserves the data integrity of the database.
v Discoverer provides read-only access to the application database.
v A database user can only own one EUL.
v EUL Access (Public-> all users, Public -> only owner)
v EUL user should have certain privileges on the database (CREATE SESSION, CREATE TABLE, CREATE VIEW, CREATE SEQUENCE, CREATE PROCEDURE)
Discoverer Administrator> Tools> EUL Manager

Use the EUL Manager to create and maintain EULs for different users (userids) in the database
Discoverer Administrator> Tools> EUL Manager> Create EUL

The Create EUL Wizard walks you through the steps of creating a new EUL.
The first step is to choose the user who will own the new EUL.
‘APPS’ database user has access to all the schema used for Oracle Apps
Discoverer Administrator> Tools> EUL Manager> Create EUL

The user creating EUL for a schema should know the password of schema’s database user id
Discoverer Administrator> Tools> EUL Manager> Create EUL

Select the default and temporary tablespace for the new user by clicking your choice in the list.
These settings are database settings
Default table space must be at least 3mb
How to know the default End User Layer (EUL)
Discoverer Administrator> Tools> Options

Create a business area and load data into it (mandatory).
v Business areas are conceptual groupings of tables and/or views
v Discoverer Administrator displays a business area as a file cabinet on the Data tab of the Workarea.
v You create a business area in Discoverer Administrator using the Load Wizard (User-friendly Interface)
v Identify the data source and have a clear understanding of its design.
v Identify which tables, views, and columns are required. Identify those that are likely to be included in multiple business areas.
v Map out the necessary joins and determine whether they exist in the database or will have to be created by you using Discoverer Administrator.
v Identify security issues and access privileges.
Discoverer Administrator> File> New

The Load Wizard is where you open existing business areas or create a new one.
It is the first step to working in the Administration Edition.
Discoverer Administrator> File> New

Discoverer allows you to load metadata that is present in the database, but in non-Oracle format.
Discoverer Administrator> File> New

Define the objects that will be loaded into the new business area.
You choices depend on where you chose to get your meta data.
‘ONT’ schema is the owner of two tables in the report
Discoverer Administrator> File> New

Select the specific objects to load into the business area.
Each table and view that you select will be a folder in the business area.
Two tables to be used in the report are selected
Discoverer Administrator> File> New

These options let you make your business area and its folders easy to find and access
Discoverer Administrator> File> New

Finally, you must name your new business area.

Features provided for Business Area
v Opening an Existing Business Area (File> Open)
v Exporting a Business Area to a File (File> Export)
v Importing EUL elements from a File (eg. Business Area, Folders, Functions etc) (File> Export)
v Editing Business Area Properties (Double click on Business Area Icon)
v Deleting a Business Area (Right Click > Delete Business Area)
v Synchronizing the Business Area with the Database (File> Refresh)
v Data migration issues (Analytic Functions)
v Use Discoverer access permissions to control who can see and use the data in business areas
v Use Discoverer task privileges to control the tasks each user is allowed to perform
v You can grant Discoverer access permissions and task privileges to database roles as well as to database users.

Granting Access Permission for Business Area
Tools> Security

This section describes how to grant (or deny) access permission for business areas to specific users or roles.
Apps and Scott Users will be able to access the business area.
Granting Task Privileges

Tools> Privileges
v Use this tab to grant privileges to a specific user or role/responsibility*.
v Oracle Applications users will see the term Responsibility displayed here instead of Role.
v Grant the head privilege (Administration, User Edition) before you grant the privileges under it.
v If you wish to grant (or deny) Administration privileges to a user or role, you must also grant (or deny) that user Administration access to the business area.
Administration Edition Tasks
v Format Business Area
v Create/Edit Business Area
v Create Summaries
v Set Privilege
v Manage Scheduled Workbooks
Discoverer Plus Tasks
v Create/Edit Query
v Collect Query Statistics
v Item Drill
v Drill Out
v Grant Workbook
v Schedule Workbooks
v Save Workbooks to database
Query Retrieval Limits
Tools> Privileges> Query Governor

Use this tab to view and edit the query retrieval limits for a specified user or responsibility.
Specifying Schedule Workbench Limits
Tools> Privileges> Scheduled Workbooks

To set the parameters for scheduling workbooks to a user or role that has that privilege.
Folder: analogous to a directory in Windows where folders are the containers and items are the files held in the folders.
v Folders can include items, calculated items, joins, conditions, item classes, and hierarchies.
v You can assign a folder to one or more business areas.
v A folder has a single definition, regardless of the number of business areas to which you assign it.
Three Type of Folders:
v Simple Folders : which contain items based on columns in a single database table or view
v Complex Folders : which can contain items based on columns from multiple database tables or views. This is analogous to a view in the database.
v Custom Folders : which are based on SQL statements
Adding Simple Folders from Database
This section describes how to add Simple folders from the database to an existing business area.
Follow the same process you use when creating a new business area.
Insert> Folder> From Database> On-line Dictionary

Creating Custom Folder
creating New custom folder

Enter the SQL Query to this custom folder

Creating Custom Folder -- Contd
Insert> Folder> Custom
This section describes how to create a custom folder
v TIP: You can add comments to your SQL statements by beginning the comment line with --.
v Like other folders, custom folders require joins in order for its data to relate to other data in the business area.
Complex Folder
v Complex folders consist of items from one or more other folders.
v Complex folders enable you to create a combined view of data from multiple folders.
v This can simplify the business area without creating a new database view.
v Complex folder’s result set could also be produced by a database view. But:
Ø Complex folders can be created without the database privileges required to create a database view.
Ø Security is handled through the Folder’s Business Area.
Ø Complex Folders has no effect on the physical schema, thus they are very safe to use.
Ø Views can be complicated to maintain, whereas Complex Folders are managed entirely within Discoverer Administration Edition.
Creating Complex Folder

1. On the Data page of the work area, select the business area to which, you want to add a Complex folder.
2. Choose Insert | Folder | New. This creates a new complex folder.
3. Drag items from any folder (in any open business area) to your new folder.
v Each item that is added in the complex folder must belong to a folder, that is joined to the folder of at least one other item in the complex folder
Item dragged and dropped in complex folder references the original, source item. Therefore any change made in the original item will reflect on the item inside the complex folder
Manage Folders

v An Item, is a representation of a database table's column, in the EUL
v Administrator can do following on items (Columns):
Ø Formatting Change
Ø Name Change
Ø Other changes to enable user to clearly read the data
v Items are stored in folders and can be:
Ø Created
Ø Deleted
Ø Moved among different folders
Editing Item Properties
This section shows you how to enhance the user’s view of the data by editing item properties.
Item>Right Click> Properties

v A join relates two folders using one or more common items.
v End users cannot create joins
v Administrator has to create joins for end users to create reports that combine information from multiple folders.
v A join between two folders enables you to include items from both folders when creating (Worksheet, Complex Folder, Hierarchy)
v Single item joins relate two folders using an item that is common to both folders.
v Multi-item joins relate two folders using more than one join condition.
v You cannot directly include functions or literals (e.g. text strings, numbers, dates) in the join conditions.
v Items in joins can be hidden later, allowing end users to benefit from the use of joined folders without having to see the join details.
v While Creating Joins, You do not need to enter a name for the join, Discoverer Administrator automatically creates a default name for the join when you click OK.
Create Joins
v To create a join, select
Ø the Master folder
Ø the operator
Ø the detail folder
v Use ‘Multi-Item’ for joining multiple Master and detail folders
v For defining join types (outer join, Foreign key with null value, one to one relationship) use ‘OPTIONS’
Item>right click> New Join

Edit Join Properties
v You can inspect and edit more than one Join item at a time.
v Select a join to view its properties.
v If you select more than one Join Property and make a change to a property, the changes apply to all selected properties.
Join Name> Right Click> Properties

The screen details are same as ‘Create Join’ screen
Join Name> Right Click> Edit Join

Create Calculation Item
v Calculation Items behave much like any other Item in a Folder
v Calculated Item can be used in Conditions, Summaries, Lists of Values, Joins, and other Calculation Items.
v 3 Calculations in Discoverer
v Derived calculations
v Aggregate calculations
v Aggregate Derived calculations
Add new item to show difference of order qty and invoice qty in sample report
Folder Name> Right Click> New Item

Editing Calculation Properties
Item Name> Right Click> Properties

Editing Item Calculation
Item Name> Right Click> Edit Item

Create Conditions
Item (on which condn to apply)> Right Click> New Condition
v End users can use Conditions to restrict the results of their query to the areas they are interested
v This can result in faster queries.
No condition is applied in the sample report

v Hierarchy is a logical linking that you define between Items that enables Discoverer Plus users to:
Ø drill up (to a greater level of aggregation) and
Ø drill down (to a greater level of detail).
v Hierarchical relationships are not defined in the database; you create them in the Business Area.
v Discoverer Hierarchies mimic data relationships from the end user’s perspective instead of from the database perspective.
v There are two types of Hierarchy in Discoverer Administration Edition:
v Item Hierarchies
v Date Hierarchies
Creating Item Hierarchy
Hierarchies Tab> Business Area> Right Click> New Hierarchy> Item Hierarchy

Creating Date Hierarchy
Year> Month > Week
v User looks at total sales for each year in their records, they can drill down (using the Date Hierarchy)
v you implement this Date Hierarchy in a Business Area, and an end user has a report in Discoverer Plus
v You can use Discoverer Administration Edition’s existing Date Hierarchy templates to define many common Date Hierarchies, or you can create your own customized Date Hierarchies.
Hierarchies Tab> Business Area> Right Click> New Hierarchy> Date Hierarchy

Default date hierarchy is used in sample report
Creating Date Hierarchy- Contd..
You can choose the date items in your Business Area that will use the new date hierarchy.
This step is optional.
Hierarchies Tab> Business Area> Right Click> New Hierarchy> Date Hierarchy
Creating Date Hierarchy- Contd..

Like other items in your Business Area, you can name your hierarchy.
Choose names that describe the hierarchy so they are easy to find and use later.
Hierarchies Tab> Business Area> Right Click> New Hierarchy> Date Hierarchy
Item Class
An item class is a group of items that share similar attributes.
The administrator creates an item class to enable the following features:
v Lists of values
v Alternative sorts
v Drill-to-detail links (hyperdrills)
These features help users build queries more quickly and easily.
The item class can be created to support these features individually, or in combination
The only exception is that an alternative sort must relate to a list of values
List of Values
A list of values is the item’s set of unique values
The values the item class references correspond to those found in a database column.
Lists of values are used by end users to refer to values in the database and to apply conditions and parameter values.
Lists of values are often generated automatically when the business area is first created (in Load Wizard: Step 4).
The Item Class Wizard provides a way to extend a list of values to other items.
Create List of Values
Select the items that use this item class.
If you do not select the items using the item class, you will need to apply the item class to specific items later.
Item Classes Tab> New Item Class> List of Values

Alternative Sorts
Data elements to be sorted in an alternative order other than Ascending or Descending Order
For example, a series of sales regions would be sorted alphabetically by default, such as
South, and
But the end user may need them sorted in this order:
v East, and
v West.
No Alternate sort is used in Sample Report
Create Alternative Sorts
Select the item that generates list of values.
You may choose from any Business Area in the End User Layer.
Selecting a Business Area displays its folders.
Click the plus (+) symbol to open folders and view the items contained in them.
Item Classes Tab> New Item Class> Alternative sort

Create Alternative Sorts- Contd..
Select the item containing the alternative sort sequence
Note that the alternative sort item must be in the same folder as the list of values.
Item Classes Tab> New Item Class> Alternative sort

Select the items that use this item class.
If you do not select the items using the item class, you will need to apply the item class to specific items later
Item Classes Tab> New Item Class> Alternative sort
Summary Folders
What are summary folders?
v Summary folders are a representation of queried data that has been saved for reuse.
v Created to improve query response time for end users.
v Query is improved because the query accesses pre-aggregated and pre-joined data rather than accessing the database tables.
v The data is stored in the database in one of the following
-- materialized views
-- tables
Why summary folders?
v This can improve query performance in Discoverer Plus and Discoverer Viewer.


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