Amazon Redshift now allows altering sort keys on zero-ETL integrated tables, enabling optimized querying of replicated data through intelligent sort key selection based on workload patterns.

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<p>The article summarizes a new feature in Amazon Redshift that allows altering sort keys on tables replicated through zero-ETL integration.</p>
<p>Specifically, the article covers:</p>
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<li>Sort keys determine the physical sorting order of rows within a table, and optimizing them can improve query performance</li>
<li>Amazon Redshift's zero-ETL integration helps derive insights across applications and break down data silos</li>
<li>Users can now modify the sort keys of tables replicated through zero-ETL integration for faster and more efficient querying</li>
<li>Users can also set the sort key to AUTO, allowing Amazon Redshift to set it automatically based on the workload and data patterns</li>
<li>Links to documentation for getting started with zero-ETL integration and understanding sort keys in Amazon Redshift</li>
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