https://mooncake.pgsty.com/tags/s3/ Recent content in s3 on Mooncake Hugo en-US Thu, 05 Nov 2026 19:17:16 +0800 https://mooncake.pgsty.com/blog/post/s3tables/ Sun, 12 Jan 2025 00:00:00 +0000 https://mooncake.pgsty.com/blog/post/s3tables/ <p>Amazon announced <a href="https://aws.amazon.com/s3/features/tables/">table buckets</a> during re:Invent last year. An S3 bucket that&rsquo;s also a table? What does that mean?</p> <p><strong>TL;DR:</strong> S3 tables allow Iceberg tables to exist without a catalog. Let me explain.</p> <h2 id="iceberg-vs-delta-lake">Iceberg vs Delta Lake </h2> <p>What? I thought Iceberg and Delta are just table formats? Why are we comparing the way they&rsquo;re implemented?</p> <p>A key difference between Iceberg and Delta Lake is <em>&ldquo;Delta tables can exist without a catalog, but Iceberg cannot&rdquo;</em>, due to their metadata design:</p>