ETL refers to the methods involved in accessing and   manipulating source   data and loading it into target database. During the ETL pro...

Logical design in datawearhouse Logical Data Model (LDM) - A logical design is conceptual and abstract. The process of ...

Physical design in datawearhouse Physical design is the creation of the database with SQL statements. During the physical d...

1) What is Index? A pointer to data having physical representation is called as Index. Record can b...

pay per click advertising Data Warehouse Design Approaches There are two major types of approaches t...

Surrogate key in Datawearhouse with example What is Surrogate Key? Surrogate Keys are integers that are ...