How to increase the lenght of a character varying datatype in PostgreSQL without data loss

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Run the following command

alter table TABLE_NAME alter column COLUMN_NAME type character varying(120);

This will extend the character varying column field size to 120.

Remember to change TABLE_NAME to the relevant table name and COLUMN_NAME to the relevant column name.

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Ian Carnaghan

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.

About Author

Ian Carnaghan

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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