It’s said, ETL concept gained popularity in the 1970s when organizations began using multiple data repositories, or databases, to store different types of business information but only as a technical concept. The need to integrate data that was spread across these databases grew quickly. ETL became the standard method for taking data from disparate sources and transforming it before loading it to a target source, or destination. In the late 1980s and early 1990s, data warehouses came onto the scene. A distinct type of database, data warehouses provided integrated access to data from multiple systems – mainframe computers, minicomputers, personal computers and spreadsheets. Coupled with mergers and acquisitions, many organizations wound up with several different ETL solutions that were not integrated.
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About the Author
Binayaka Mishra is an experienced IT professional, in various tools and technologies like Data Warehousing, BigData Analytics, Cloud Computing, Reporting Analytics & Project Management documentation with 10+ years experience. He was Graduatad in Computer Science & Engineering from National Institute Of Science & Technology, Berhampur, Odisha, India in 2002. In the past, he has worked in several critical roles with MNC’s like Oracle Corporation, Wipro Technology, CapGemini India Pvt Ltd, UBS & AoN Hewitt Associates India Pvt Ltd, HMRC -UK and MI5-UK. Apart from technical details, his mastery into functional domains like Payroll Processing, Tax Calculation, UK NI and Corporate Tax measurements are some key divisions, has fallen into. A real hacker in his professional life who loves to listen music, play snooker 7Bowling and desperate swimmer like a shark.