Posted On: Dec 31, 2020
Incremental data loading is defined as the process of loading the selective data. It is either updated or creates a new source system to the target system. This is different from a full data load where entire data is processed each load.
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Star Schema in a data warehouse, in which the center of the star can have one fact table and a number of associated dimension tables. As its structure resembles a star so it is known as a star schema....
In the data warehouse, Snowflake Schema is a logical arrangement of tables in a multidimensional database...
distinct property(keyword) is used to eliminate duplicate rows in Informatica from a database and a flat-file. We can eliminate duplicate rows from the flat-file by using group by function in an aggr...