## Core Tools
- Learn [[SQL]], the most widely used language for interacting with data.
- Learn a scripting language like [[Python]], [[Java]], or [[Scala]] which are currently the most popular languages for DE.
- Learn how to use a set of cloud tools like [[Amazon Web Services]], [[Microsoft Azure]], or [[Google Cloud Platform]].
## Databases
[[PostgreSQL]]
[[MySQL]]
[[Microsoft SQL Server]]
See Cloud Data Platforms for cloud-specific databases
## Programming Languages
[[Python]]
[[Java]]
[[Scala]]
[[SQL]]
## Cloud Data Platforms
[[Amazon Web Services]]
[[Microsoft Azure]]
[[Google Cloud Platform]]
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