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![]() Related Questions Answered by swetha on 2005-03-30 12:00:33: OLTP Current data Short database transactions Online update/insert/delete Normalization is promoted High volume transactions Transaction Latest Answer : olap->online analytical processing OLAP is a set of specifications which alows the client applications(reports)in retreiving the data from data ware houseoltp->olnline transactional processingOLTP databases are fully normalized and are designed ... Answered by Hemakumar on 2005-04-12 05:40:50: Cognos BusinessObjects MicroStrategies Actuate Latest Answer : Dear friends you have mentioned so many reporting tools but missed one open source tool (java based)that is jasper reportsunfortunatly i am working on that. ... Difference between Snow flake and Star Schema. What are situations where Snow flake Schema is better Difference between Snow flake and Star Schema. What are situations where Snow flake Schema is better than Star Schema to use and when the opposite is true? Latest Answer : E-R Modeling is a model for OLTP, optimized for Operational database, namely insert, update, delete data and stressing on data relational integrity.Dimensional Modeling is a model for OLAP, optimized for retrieving data because it's uncommon to update ... Read Answers (7) | Asked by : Srinu Latest Answer : Junk Dimension also called as garbage dimension. A garbage dimension is a dimension that consists of low-cardinality columns such as codes, indicators, status,and flags. The garbage dimension is also referred to as a junk dimension. Attributes in a garbage ... Read Answers (7) | Asked by : ganesh Latest Answer : RalfKimball: he follows bottum-up approach i.e., first create individual Data Marts from the existing sources and then create Data Warehouse.BillImmon: he follows top-down approach i.e., first create Data Warehouse from the existing ... Read Answers (5) | Asked by : MF Latest Answer : View is a logical reference to a database table. But Meterial View is actual table and we can refresh data in time intervels. If you made any change in database table that change will effect into view but not meterialize view.. ... Read Answers (4) | Asked by : Aashish Jain Latest Answer : dataware house is a container to store the historical datawhere as dataware hosuning is a process or technique to analyze tha data in the ware house ... Read Answers (2) | Asked by : shivaleela What is the difference between star schema and snow flake schema ?and when we use those schema's? Read Answers (4) | Asked by : swarna Latest Answer : BO is a ROLAP Tool,Cognos is a MLAP Tool and MicroStrategy is a HLAP Tool ... Read Answers (1) | Asked by : prasad
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