![]() Related Questions View Question | Asked by : supriya Latest Answer : Data Warehousing: It is a process that includes the extracting the data (from source systems), cleaning, transforming and delivering them to the Data Warehouse (databases) for the loading purpose. DWH is a database which is subject oriented, non ... Read Answers (4) | Asked by : zilanibasha Latest Answer : 1. ODS - It is a decision support system which contains snapshot of current data for day to day analysis. This may include little history data also OLTP - It is a trasaction system though it contains current data it keeps changing due ... Latest Answer : dear, according to my knowledge...Business intelligence: business intelligence is a group application which is used to gather information, providing access to, analyze the information and proving this information to end user to take timely ... Latest Answer : Datawarehouse V/S OLAPBoth the terms are interchangble.DW:Data from different source systems is stored in a relational database for end use analysis.Data is organized in summarized, aggregated,subject-oriented,non-vilatile pattern.Data in a DW is consolidated,flexible ... Latest Answer : hi nice ans u given and i think we can add number of of levels under hirarchy ... Read Answers (2) | Asked by : pras What is the difference between E-R modelling and Dimendional modelling? and what are semi additive facts? Read Answers (4) | Asked by : amjad Latest Answer : An MDDB is generally used where large number of aggregations and summarizations are required along with a very fast retrieval of data.Here the data is stored in the form of multidiemnsional cube(however physically it is also implemented in the form of ... Tags : RDBMS
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