Explain briefly the term data mart
Explain briefly the term data mart?
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A data mart is a set of data smaller in size and scope than a data warehouse. This is dedicated to data from a specific business component of business functional region. A data mart may execute as a subset of a bigger data warehouse. Users of a data mart are generally knowledgeable analysts in the business region using the data mart.
Write down the differentiation between lookup and filter transformation?
Explain the two in order to importing users & groups from the supervisor?
Describes the main data structures used in following areas: RDBMS, Network data model and Hierarchical data model?
Write down the some of the important security characteristics of a DBMS?
Illustrates the mobile enterprise application enablement?
Describe the inconsistent values problem? Comprise an appropriate example?
Describe briefly reusable transformations?
Elucidate briefly what is the mapping variables and mapping parameters?
Specify the various components of the Report Net?
Give a brief introduction of the term active data warehousing?
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