RE: what is the difference between etl tool and olap t...
ETL tool is ment for extraction data from the legecy systems and load into specified data base with some process of cleansing data.
ex: Informatica,data stage ....etc
OLAP is ment for Reporting purpose.in OLAP data avaliable in Mulitidimectional model. so that u can write smple query to extract data fro the data base.
RE: what is the difference between etl tool and olap t...
ETL=>Basically ETL provides the plateform to bring data from Datasouce to trageted data server. ETL helps to extract data from within system and out of the system.
OLAP: takes place after Data gets loaded into Datawarehouse. then after cube processing same would be ready for reporting purpose
RE: what is the difference between etl tool and olap t...
ETL tool is used to extract the datas and to perform the operation as per our needs for eg : informatica data mart but OLAP is completely differ from etl process it is used for generating report also known as reporting tool eg: bo and cognos.