1z0-591 Exam Dumps - Oracle Certification Questions and Answers

Note 1: OBIEE offers two calculation types for measure in the repository:

logical

physical

You can define calculations in either of the following ways:

* Before the aggregation, in the logical table source.

* After the aggregation, in a logical column derived from two other logical columns. For example: sum(col A) * sum(col B)

Note 2: A measure column is a column unlike the baseline column that has a default aggregation rule defined in the Aggregation tab of the Logical Column dialog in the repository.

Measure columns always calculate the aggregation with which they are defined.

Measures need to be defined in a logical fact. Any column with an aggregation rule is a measure.

Level-based Hierarchy

Level-based hierarchy is the first type of hierarchy in OBIEE.

Consists of an ordered set of two or more levels. For example, a Time hierarchy might have three levels for Year, Quarter, and Month. Level-based hierarchies can also contain parent-child relationships.

Dimension hierarchy levels allow :

* to perform aggregate navigation,

* to configure level-based measure calculations,

* users from Dashboard and Answers to drill down from one parent to a child level.

Special type of level-based dimension are supported:

* Unbalanced (or ragged) and Skip-level hierarchy

* time dimension to provides special functionality for modeling time series data.

The Essbase cube looks just like any other relational star schema in my Presentation Layer, however when it is queried Oracle BI Server will issue MDX queries against a multi-dimensional data source, rather than an SQL query against a relational star schema.

CurrentDay and CurrentMonth can be calculated by a sql statement.

Note:

REPOSITORY VARIABLE(DYNAMIC)

· Initialized when BI server is started

· Assigned value dynamically based on the result of a query

· Value is dependent of the sql provided in Initialization Block

Create a dynamic variable and provide a Name and Default Initializer.Create a new initialization block by clicking on the New button in the above screen.

Provide Intialization Block variable Name

B: Before you can run Oracle Business Intelligence 11g Installer, you must first create

required Oracle Business Intelligence schemas in an unhardened database. You use

a tool called the Repository Creation Utility (RCU) to create these schemas with

the appropriate permissions and data.

E: The database 11gR2 is required if you want to run the Oracle Business Intelligence Enterprise Edition Plus Samples

One Oracle Database Preinstalled and not hardened to host the schemas.

Download and installation of the client

The client install executable is available for download from the More Products menu in Oracle BI Interactive Dashboards and Oracle BI Answers.

See picture below.

BSO is preferred to ASO in the following scenarios:

* Top-down planning and allocation (Sales Forecasting)

* Cost Allocations across products and customers (Profitability Analysis)

* Currency conversion, inter-company eliminations(Financial consolidations)

Identity Store: It is directory server to perform the authentication. It contains user name , password and groups membership information .When a user name and password combination is entered at log in, the authentication provider searches the identity store to verify the credentials provided.

See figure below.