To upload PostgreSQL data to S3, use RDS for PostgreSQL.
Install PostgreSQL extensions that are required. The aws s3 and aws commons extensions are examples of such extensions. Start psql and enter the commands below.
EXTENSION IS CREATED IF aws s3 CASCADE DOES NOT EXIST; To export data to Amazon S3, use the aws s3.query export to s3 method provided by the aws s3 extension. To provide more helper functions, the aws commons extension is added.
To export data, choose an Amazon S3 file path. Specifying the Amazon S3 file path to export to has further information on this process.
Give access to the Amazon S3 bucket permission.
Allow the RDS for PostgreSQL DB instance to access the Amazon S3 bucket that the data will be exported to.
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