Explain the key challenges that you face while performing etl testing.
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Define slowly changing dimensions (SCD)?
what are the different Reporting and ETL tools available in the market?
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
What are the different etl testing categories as per their function?
What is a materialized view log?
Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.
What are the types of Data Warehouse applications?
Hi please try to reply with answer. my mail id is raghu.1028@gmail.com. if the source is having millions of records, but having theree target tables. As per user the first record need to insert into first target and second record in to a second target and third into third target, similarly the process needs to repeat?
I have a Flat file with more no. of Records also including duplicate values. But i need distinct values to one target and remaining records to another target in Informatica way
what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?
In Which Transformation We Can Use Having Clause In Informatica?
Explain different types of partitioning?
Teradata 
