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ETL Development

The ETL process consists of the E-extraction, T-transformation and the L-loading processes. The professionals of the ETL process keeps on working in order to carry out this workflow. ETL developers are the ones who keep developing these ETL processes. With the rise of this technology, the demand of the ETL developers is in full flow.

In the extraction process, the data is taken out from the source and is then acted on during the transformation phase. In this phase, the data is converted to the standard format to be applicable to the new data warehouse. And then finally, these transformed data is then loaded into the destination database in the loading phase.

Reasonable proficiency and understanding in the ETL development tool or aptitude to become skilled from a guide on the development. Learning from others who has already been working on the same project will save your time. Talented with the knowledge of programming in SQL language for customizable database extort or modernize announcements. Knowing SQL as well as the database is two great advantages for working in ETL.

 ETL Development

Data from one or more sources is extracted and then copied to the data warehouse. When dealing with large volumes of data and multiple source systems, the data is consolidated. ETL is used to migrate data from one database to another, and is often the specific process required to load data to and from data marts and data warehouses, but is a process that is also used to to large convert (transform) databases from one format or type to another.

Though the role of ETL developer requires someone with a broad technical knowledge, it also requires someone with a good set of communication skills and an analytical mind. Since the ETL developer is responsible for leading an IT team as it builds the data warehouse, he must be able to communicate goals and instructions in a clear and efficient manner. In addition, developers frequently work with the business side of the company to determine the best course of action when designing the system.