[Concept Entry] Postgresql column-references

[codecademy-docs]

Reason/inspiration (optional)

We would like a new entry on the Column References concept under PostgreSQL. The entry should go in a new file under docs/content/postgresql/concepts/column-references/column-references.md.

The entry should include:

• An introductory paragraph that describes the concept
• A ‘Syntax’ section that includes the syntax for the concept (if applicable)
• An ‘Example’ section that shows the concept in use

Please refer to the concept entry template, content standards, and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Concept Entrty for Existing Topic

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[ogumbaiyke]

Hi. Please can l contribute and work on this issue.

This is a requirement for me to complete the Git and Github course.

[mamtawardhani]

@ogumbaiyke
You’re assigned 🎉 In addition to the documents linked in the description, please also look at the Contribution Guide. After creating a PR, the maintainer(s) (with the collaborator label) will add comments/suggestions to address any revisions prior to approval.

Is this your first contribution to Codecademy Docs? If so, we’re curious to know how you found out about contributing to Docs.

[ogumbaiyke]

Greetings.

Okay , I will do that now.

Yes, this is my first contribution to Codecademy Docs. I found out about contributing to Docs through codecademy online course, Git and Github to be precise. one of the requirement include contributing to Docs.

[github-actions]

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