ODS:- It is nothing but a collection of tables created in the Data warehouse that maintains only current data.
Where as OLTP maintains the data only for transactions,these are designed for recording daily operations and transactions of a business.
Data warehousing deals with all aspects of managing the development, implementation and operation of a data warehouse or data mart including meta data management, data acquisition, data cleansing, data transformation, storage management, data distribution, data archiving, operational reporting, analytical reporting, security management, backup/recovery planning, etc. Business intelligence, on the other hand, is a set of software tools that enable an organization to analyze measurable aspects of their business such as sales performance, profitability, operational efficiency, effectiveness of marketing campaigns, market penetration among certain customer groups, cost trends, anomalies and exceptions, etc. Typically, the term ?business intelligence? is used to encompass OLAP, data visualization, data mining and query/reporting tools.Think of the data warehouse as the back office and business intelligence as the entire business including the back office. The business needs the back office on which to function, but the back office without a business to support, makes no sense.
As explained , Data warehouse contains the data or data mart which final product of all the process like meta data management , acquire , data cleansing , transformation and load other process as mentioned above. Business intelligence are set of software which connects to data mart to do various reporting useful for the business or good running of the company. All the business decision are taken based on the data warehousing reporting. Hope this make sense.
Simply speaking, BI is the capability of analyzing the data of a datawarehouse in advantage of that business. A BI tool analyzes the data of a datawarehouse and to come into some business decision depending on the result of the analysis.
Ware House Mangement is So Important in the Large number of Data's Handling Part.For Ex.In Ms.Access ,we can store 100 Thosand data Consistently and can be retrived.Same like Each and Every DB having them Own Speciality.From various DB number Columns like more than 200 Column ,Data Retrive is not so easy through SQL & PL&SQL.Lots lines should write.In this case to maintain the data the DWH is So important.Especialy for Banking,Insurance,Telecom,Business etc.
True
OLAP (online analytical processing) works by analysing aggregated data to give final reports to top management to take action/decisions on business which is same as DSS.(Decision support system)
Simply speaking, BI is the capability of analyzing the data of a datawarehouse in advantage of that business. A BI tool analyzes the data of a datawarehouse and to come into some business decision depending on the result of the analysis.
Business Intelligence is a collection of broad category of application programs and techniques used to querying,retrieving,reporting and analyzing the business informations multidimentionally.
Business Intelligence is a collection of application specifications which allow the client applications to retrieve business informations from the DataWare House in order to make some business decissions.
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