Ian Carnaghan

How to add a primary key to an existing table PostgreSQL

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ALTER TABLE table ADD primary key (primary_key_id);

Replace table with your table name and primary_key_id with your Primary Key

Image Credits: Photo by Isis França on Unsplash.

Last Updated On April 07, 2018

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Ian Carnaghanhttp://www.carnaghan.com
I am a software developer and online educator who likes to keep up with all the latest in technology. I also manage cloud infrastructure, continuous monitoring, DevOps processes, security, and continuous integration and deployment.
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