Extract
Transform
Load
ETL plays a vital part in moving data across.
Many ways ETL can be implemented.
GUI Tools such as SSIS, Pentaho, Talent
Scripting Tools such as Bash, Python
In big data platforms such as Hadoop, and Spark, you can load a JSON, or CSV file and start using them as is. This technology can even parse compressed .gz / .bz2 files
Extensively used when dealing with Semi-Structured databases.
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Last updated 3 years ago