Relational Databases Certification
PostgreSQL, Bash scripting and Git in a real Linux terminal; five database projects and a closed-book exam earn a free certificate.
- Provider
- freeCodeCamp
- Section
- Databases & SQL
- Price
- Free
About this course
PostgreSQL, Bash scripting and Git in a real Linux terminal; five database projects and a closed-book exam earn a free certificate.
Where to take it
Free
no fee for the course or the certificate
No affiliate relationship with freeCodeCamp. We earn nothing from this link; it is here because the course is worth knowing about.
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Concepts behind this area
Data Visualization
Data visualisation is the practice of encoding numbers as position, length and colour so that a comparison a reader would otherwise have to calculate becomes something they can simply see.
Data Engineering
Data engineering is the discipline of moving records from the systems that produce them into a store where they can be queried, and of keeping that supply correct while the sources underneath keep changing.
SQL
SQL is the declarative language for asking questions of relational databases: you state which rows and columns you want and how tables relate, and the database engine works out how to retrieve them.
The field, explained: Data & Analytics
Wider context: the fields we cover, the glossary and certification exams, all written by us rather than pulled from a provider feed.