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    <title>IQToolkit Blog</title>
    <link>https://iqtoolkit.ai/blog</link>
    <description>Database performance insights, PostgreSQL and MongoDB optimization, and AI-powered development tools.</description>
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    <lastBuildDate>Sun, 12 Apr 2026 15:52:22 GMT</lastBuildDate>
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      <title><![CDATA[PostgreSQL vs. MongoDB for JSON: The Internal Trade-offs They Don't Tell You in the Docs]]></title>
      <link>https://iqtoolkit.ai/blog/postgresql-vs-mongodb-json-internal-tradeoffs</link>
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      <description><![CDATA[Having managed both at scale, the answer to 'PostgreSQL or MongoDB for JSON?' is not as simple as 'MongoDB is for documents.' Deep internals on both sides will affect your performance, storage footprint, and operational burden in ways a quick benchmark won't reveal.]]></description>
      <pubDate>Sun, 15 Mar 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>mongodb</category>
      <category>database internals</category>
      <category>json</category>
      <category>jsonb</category>
      <category>performance</category>
      <category>architecture</category>
      <category>mvcc</category>
      <category>storage</category>
      <category>dba</category>
    </item>
    <item>
      <title><![CDATA[🚀 IQToolkit Analyzer v0.3.0rc3: Release Candidate (Contracts + CLI UX)]]></title>
      <link>https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-3-0rc3-release</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-3-0rc3-release</guid>
      <description><![CDATA[v0.3.0rc3 is live on PyPI with contracts-first outputs, config validation, and CLI UX improvements. Try the RC and share feedback.]]></description>
      <pubDate>Sun, 08 Feb 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>release</category>
      <category>postgresql</category>
      <category>mongodb</category>
      <category>database performance</category>
      <category>ai</category>
      <category>devtools</category>
      <category>query optimization</category>
      <category>database analysis</category>
      <category>performance tuning</category>
      <category>cli</category>
    </item>
    <item>
      <title><![CDATA[🚀 IQToolkit Analyzer v0.2.8 & v0.3.0a6: Database-Direct Analysis & Multi-Platform Distribution]]></title>
      <link>https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-2-8-v0-3-0a6-release</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-2-8-v0-3-0a6-release</guid>
      <description><![CDATA[Two major milestones for iqtoolkit-analyzer: v0.2.8 brings database-direct EXPLAIN analysis with contextual AI recommendations, while v0.3.0a6 delivers Google Gemini integration, MongoDB deep analysis, and multi-platform distribution (apt, dnf, zypper, Homebrew, Chocolatey).]]></description>
      <pubDate>Sat, 31 Jan 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>release</category>
      <category>postgresql</category>
      <category>mongodb</category>
      <category>database performance</category>
      <category>ai</category>
      <category>devtools</category>
      <category>query optimization</category>
      <category>database analysis</category>
      <category>performance tuning</category>
      <category>google gemini</category>
      <category>cli</category>
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    <item>
      <title><![CDATA[Understanding PostgreSQL TOAST: The 8KB Block Constraint and Oversized Data Storage]]></title>
      <link>https://iqtoolkit.ai/blog/postgresql-toast-mechanism-8kb-block-size</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/postgresql-toast-mechanism-8kb-block-size</guid>
      <description><![CDATA[Deep dive into PostgreSQL's TOAST (The Oversized-Attribute Storage Technique) mechanism and how it works around the fundamental 8KB block size limitation. Learn when TOAST activates, how it stores large values, and the performance implications for your database design.]]></description>
      <pubDate>Wed, 21 Jan 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>database internals</category>
      <category>performance optimization</category>
      <category>storage</category>
      <category>toast</category>
      <category>database architecture</category>
      <category>engineering</category>
      <category>dba</category>
    </item>
    <item>
      <title><![CDATA[📖 Announcing: PostgreSQL Internals Mastery - Volume 1]]></title>
      <link>https://iqtoolkit.ai/blog/announcing-postgresql-internals-mastery-book</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/announcing-postgresql-internals-mastery-book</guid>
      <description><![CDATA[PostgreSQL Internals Mastery Volume I is now available—a comprehensive foundation covering PostgreSQL architecture, memory management, storage, transactions, and durability. Learn how PostgreSQL really works at a systems level.]]></description>
      <pubDate>Thu, 08 Jan 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>book</category>
      <category>database internals</category>
      <category>performance optimization</category>
      <category>database architecture</category>
      <category>engineering</category>
      <category>learning</category>
      <category>mastery</category>
    </item>
    <item>
      <title><![CDATA[🚀 New Release: iqtoolkit-analyzer v0.2.6]]></title>
      <link>https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-2-6-release</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/iqtoolkit-analyzer-v0-2-6-release</guid>
      <description><![CDATA[iqtoolkit-analyzer v0.2.6 is now live, bringing more stability and better UX for AI-powered database analysis across PostgreSQL and MongoDB. This release continues the path toward a smarter co-pilot for DB performance tuning and query optimization.]]></description>
      <pubDate>Sun, 04 Jan 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>release</category>
      <category>postgresql</category>
      <category>mongodb</category>
      <category>database performance</category>
      <category>ai</category>
      <category>devtools</category>
      <category>query optimization</category>
      <category>database analysis</category>
      <category>performance tuning</category>
    </item>
    <item>
      <title><![CDATA[How to Use iqtoolkit/pgtools: Index Bloat Analysis & Recovery (Part 3)]]></title>
      <link>https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization-part-3</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization-part-3</guid>
      <description><![CDATA[Complete your optimization journey by detecting hidden index bloat with pgtools, understanding wasted space, and implementing safe recovery strategies.]]></description>
      <pubDate>Sun, 04 Jan 2026 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>pgtools</category>
      <category>performance</category>
      <category>dba</category>
      <category>maintenance</category>
      <category>bloat</category>
    </item>
    <item>
      <title><![CDATA[How to Use iqtoolkit/pgtools: HOT Update Optimization Checklist (Part 2)]]></title>
      <link>https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization-part-2</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization-part-2</guid>
      <description><![CDATA[Validate fillfactor changes, troubleshoot why HOT updates still lag, and master advanced strategies to optimize your PostgreSQL update workloads.]]></description>
      <pubDate>Sun, 28 Dec 2025 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>pgtools</category>
      <category>performance</category>
      <category>dba</category>
      <category>maintenance</category>
      <category>monitoring</category>
    </item>
    <item>
      <title><![CDATA[How to Use iqtoolkit/pgtools: HOT Update Optimization Checklist (Part 1)]]></title>
      <link>https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/how-to-use-iqtoolkit-pgtools-hot-update-optimization</guid>
      <description><![CDATA[Learn what PostgreSQL HOT updates are, why they matter, and how to use iqtoolkit/pgtools to generate fillfactor recommendations as actionable SQL.]]></description>
      <pubDate>Mon, 15 Dec 2025 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>postgresql</category>
      <category>pgtools</category>
      <category>performance</category>
      <category>dba</category>
      <category>maintenance</category>
    </item>
    <item>
      <title><![CDATA[AI: How to Use It and How Not to Use It]]></title>
      <link>https://iqtoolkit.ai/blog/ai-how-to-use-it</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/ai-how-to-use-it</guid>
      <description><![CDATA[Use AI to accelerate, not to fake capability. Understand first, refine critically, and own the outcome.]]></description>
      <pubDate>Sun, 30 Nov 2025 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>ai</category>
      <category>authenticity</category>
      <category>career</category>
      <category>engineering</category>
      <category>ethics</category>
    </item>
    <item>
      <title><![CDATA[The Modern Stack is Polyglot. Why are our tools still siloed?]]></title>
      <link>https://iqtoolkit.ai/blog/modern-stack-is-polyglot</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/modern-stack-is-polyglot</guid>
      <description><![CDATA[If you're managing infrastructure today, you aren't just running PostgreSQL. You're running PostgreSQL, MongoDB, Redis, and more. Yet our tools remain siloed. Here is why iqtoolkit is different.]]></description>
      <pubDate>Fri, 28 Nov 2025 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>database-engineering</category>
      <category>postgresql</category>
      <category>mongodb</category>
      <category>sre</category>
      <category>devops</category>
      <category>architecture</category>
    </item>
    <item>
      <title><![CDATA[Why the iqtoolkit Suite Exists]]></title>
      <link>https://iqtoolkit.ai/blog/why-iqtoolkit-suite</link>
      <guid isPermaLink="true">https://iqtoolkit.ai/blog/why-iqtoolkit-suite</guid>
      <description><![CDATA[After more than 10 years as a database professional, I built iqtoolkit to solve one problem: freeing DBAs from manual correlation hell so we can focus on what we actually want to do—architecture, automation, and engineering.]]></description>
      <pubDate>Sun, 23 Nov 2025 00:00:00 GMT</pubDate>
      <author>giovanni@iqtoolkit.ai (Giovanni Martinez)</author>
      <category>philosophy</category>
      <category>dba</category>
      <category>ai</category>
      <category>automation</category>
      <category>database administration</category>
      <category>ops</category>
      <category>mttr</category>
      <category>database automation</category>
      <category>ai troubleshooting</category>
      <category>sre toolkit</category>
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