Chapter 2: Introducing ETL
When I first started in the data warehousing business, something like 20 years ago, I was asked in an interview to define ETL. Being at my first job interview, I had no clue what the interviewer meant by ETL. Luckily, the interviewer kind of liked me and hired me anyway. He told me that I would know all about ETL quite soon. Being in data warehouse businesses for many years, and more recently a data engineer, ETL is what has kept me busy most of the time since then.
ETL stands for Extract, Transform, and Load. ETL is a data moving technique that has been used in various forms since the first enterprise data warehouses' inceptions.
Microsoft formalized the ETL concept near the end of the 1990s with a tool called DTS: ...
Get ETL with Azure Cookbook now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
