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Derived Tables
How a derived table is useful than a view in database? What are the additional features derived table provides?
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Connection
Set of parameters that provides access to an RDBMS. These parameters include system information such as the data account, user identification, and path to the database. Designer provides three types of connections: secured, shared, and personal.
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Detail object
An object qualified as a detail provides descriptive data about a dimension object. A detail object cannot be used in drill down analysis.
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Document domain
The area of the repository that stores documents, templates, scripts, and lists of values.
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Enterprise mode
A work mode whereby a designer creates universes in an environment with a repository. The mode in which a universe is saved determines whether other designers are able to access it. By default, a universe is saved in the mode in which the designer is already working.
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Hierarchy
An ordered series of related dimensions used for multidimensional analysis.
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How do you design a universe?
The design method consists of two major phases. During the first phase, you create the underlying database structure of your universe. This structure includes the tables and columns of a database and the joins by which they are linked. You may need to resolve loops which occur in the joins using aliases or contexts. You can conclude this phase by testing the integrity of the overall structure.During...
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What is the drill up , drill down, drill by , drill trough ?
drill up : One level up in the HirearchyDrill down: One level down in the Hirearchydrill by : direct selection of level in the Hirearchydrill trough : to drill data from one Hirearchy to another Hirearchy
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Equi-join
A join based on the equality between the values in the column of one table and the values in the column of another. Because the same column is present in both tables, the join synchronizes the two tables.
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Loop
A situation that occurs when more than one path exists from one table to another in the universe.
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Object
A component that maps to data or a derivation of data in the database. For the purposes of multidimensional analysis, an object can be qualified as a dimension, detail, or measure. Objects are grouped into classes.
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Online mode
The work mode appropriate for a networked environment in which the general supervisor has set up a repository.
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Repository
A centralized set of relational data structures stored in a database. It enables BusinessObjects users to share resources in a controlled and secured environment. The repository is made up of three domains: the security domain, the universe domain, and the document domain.
BO Designer Interview Questions
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