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Amazon Redshift can be configured to use multiple regions by setting up a replication cluster in each region. To do this, first launch a Redshift cluster in the primary region, then create a snapshot of the cluster and use it to launch a cluster in the secondary region.
Once the replication cluster is set up, you can configure data replication between the clusters. To do this, you can use the ALTER TABLE command with the SET REPLICATION option.
For example, the following code will configure a table named mytable to replicate to the secondary region:
ALTER TABLE mytable SET REPLICATION REGION 'secondary_region_name';
You can also use the REPLICATE clause to specify which columns should be replicated. For example, the following code will replicate only the name and address columns of mytable to the secondary region:
ALTER TABLE mytable REPLICATE (name, address) TO REGION 'secondary_region_name';
Once the replication is configured, the data will be replicated from the primary region to the secondary region.
onelinerhub: How can I configure Amazon Redshift to use multiple regions?