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Tuesday, July 21, 2026 — top 10 database + AI stories, one card each. Save the image, copy its caption, post.

Phone: tap Share image, pick Save Image in the sheet (LinkedIn's app won't take images from Safari directly), then tap the button again — it opens LinkedIn: start a post, add the photo on top, paste the caption. Desktop: Open → save the image, attach it in the composer, paste the caption.

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PostgreSQL 18 file_copy_method clone halves terabyte copy time The day's edition as one sketchnote — full stories + sources: https://offnetchat.com/news/2026-07-21.html?s=46420e3a561661e6#item-46420e3a561661e6 #TechNews #AI

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SQL Server 2025 on RDS calls Bedrock via T-SQL ▸ Use sp_invoke_external_rest_endpoint to call Bedrock models directly from T-SQL. ▸ Eliminates middleware layers, reducing architectural complexity and latency. Summary + source: https://offnetchat.com/news/2026-07-21/s/7a99472241e98ca5.html #LLM #TechNews

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SQL Server 2025 RDS now calls AWS APIs directly via T-SQL ▸ Use sp_invoke_external_rest_endpoint to call AWS or HTTPS endpoints directly from T-SQL. ▸ Bypass application-layer intermediaries for real-time AWS service triggers. Summary + source: https://offnetchat.com/news/2026-07-21/s/44b69bdc6f813eac.html #Databases #TechNews

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Aurora DSQL connection pooling: 4 strategies to avoid rate limits and storms ▸ Implement strategies to stay within the strict 100-connections-per-second rate limit. ▸ Configure pools to prevent thundering-herd storms during reconnection events. Summary + source: https://offnetchat.com/news/2026-07-21/s/6ce4e848a1066e73.html #Databases #TechNews

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PostgreSQL 18 file_copy_method clone halves terabyte copy time ▸ PostgreSQL 18 introduces file_copy_method=clone for instant DB duplication ▸ Achieves ~0.5s copy time for 1TB databases on compatible filesystems Summary + source: https://offnetchat.com/news/2026-07-21/s/46420e3a561661e6.html #Databases #TechNews

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Masked Diffusion Models Offer Steerable Text-Based World Models for Agentic RL ▸ Addresses mode collapse in RL caused by sparse rewards and fixed task difficulties. ▸ Overcomes autoregressive limitations by conditioning on global state anchors. Summary + source: https://offnetchat.com/news/2026-07-21/s/770d5a5cbec71fec.html #AgenticAI #TechNews

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Hacker wipes Romania's entire land registry database ▸ Critical government databases remain vulnerable to total data loss. ▸ Security audits of national registries are urgently needed. Summary + source: https://offnetchat.com/news/2026-07-21/s/be91d075e957b8bf.html #Databases #TechNews

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Prefect launches FastMCP for rapid Python MCP server and client development ▸ Auto-generates schemas, validation, and docs for Python tool functions. ▸ Manages transport negotiation, auth, and protocol lifecycle for clients. Summary + source: https://offnetchat.com/news/2026-07-21/s/cb8da5cee1d5fae2.html #AgenticAI #TechNews

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Google Vids adds Gemini Omni and Personal Avatars for video creation ▸ Google Vids now integrates Gemini Omni for enhanced AI-driven video generation. ▸ Personal Avatars allow users to digitally represent themselves in videos. Summary + source: https://offnetchat.com/news/2026-07-21/s/45a4595f19b7361f.html #LLM #TechNews

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PostGIS 3.7.0beta1 released with GEOS 3.15 and PostgreSQL 19 support ▸ Requires PostgreSQL 14-19beta2 and GEOS 3.10+, with 3.15+ needed for full features. ▸ Includes bug fixes and enhancements since PostGIS 3.7.0alpha1. Summary + source: https://offnetchat.com/news/2026-07-21/s/64ba460ae8c190fd.html #Databases #TechNews

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PlanFlip: Planning-Phase Prompt Injection Corrupts Multi-Agent LLM Systems ▸ Multi-agent architectures are vulnerable at the Planner stage, not just execution. ▸ Attacks disguise malicious prompts as plausible tool outputs to evade keyword filters. Summary + source: https://offnetchat.com/news/2026-07-21/s/a185a58e05eb7fa8.html #AgenticAI #TechNews