How many steps etl contains explain with example?
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What is factless fact schema?
What is a staging area? What is the purpose of a staging area?
Do we need an ETL tool? When do we go for the tools in the market?
What are the different ways to deploy the code in informatica?
1 Answers IBM, Saama Tech, Wipro,
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
Identifying the bottlenecks in various components of Informatica and resolving them.
how many steps are there in etl process?
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 is the difference steps for data modeling?
How to fine tune mappings?
what is data modeling?
What are the different Lookup methods used in Informatica?
Teradata 
