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dev. to > hasan_dev > how-to-add-a-not-null-column-to-a-large-table-safely-in-rails-41p9

How to add a NOT NULL column to a large table safely in Rails

1+ hour, 50+ min ago  (710+ words) First, the part people skip. A migration is a versioned schema change written as Ruby. Each one has a timestamp, Rails records which have run in a schema_migrations table, and db/schema. rb always reflects the current shape of the database....

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Daily-Tribune
daily-tribune. com-tribune. com

800 Database Projects Completed Over 20-Year Span

20+ hour, 12+ min ago  (231+ words) What 800 Completed Database Projects Reveal About Specialized Consulting San Francisco, United States - June 26, 2026 / Help4 Access / The firm's experience across more than 800 completed projects positions it to anticipate the complications that typically arise during these transitions. Each migration involves a different combination…...

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DEV Community
dev. to > kanishga_subramani_49ad73 > day-42-exploring-clickhouser-table-engines-beyond-mergetree-1cni

Day 42: Exploring Click House" Table Engines Beyond Merge Tree

14+ hour, 22+ min ago  (553+ words) When people first start using Click House, most of the attention naturally goes to the Merge Tree engine. It's the default choice for analytical workloads thanks to its exceptional query performance, indexing capabilities, and efficient storage. However, Click House offers…...

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DEV Community
dev. to > fabricio_ramos > how-to-talk-to-any-database-using-ai-building-a-text-to-sql-app-3e6f

How to Talk to Any Database Using AI: Building a Text-to-SQL App

15+ hour, 47+ min ago  (350+ words) In today's data-driven world, getting information out of a database usually requires knowing SQL. But what if you could just ask your database a question in plain English and get the answer instantly? Thanks to Large Language Models (LLMs) and…...

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Databricks
databricks. com > blog > what-is-serverless-postgres

What Is Serverless Postgre SQL?

20+ hour, 10+ min ago  (1235+ words) How serverless Postgres works, what it costs, and when lakebase architecture is the better fit Serverless Postgre SQL (Postgres) is a fully managed cloud database model that decouples compute and storage. This allows each to scale independently and automatically based…...

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DEV Community
dev. to > suiriass > sqlex-a-modern-drop-in-replacement-for-jmoironsqlx-2d7i

sqlex " A Modern Drop-in Replacement for jmoiron/sqlx

16+ hour, 53+ min ago  (295+ words) jmoiron/sqlx has been the go-to SQL extension library for Go for years. Struct mapping, named parameters, IN clause expansion " it made database/sql actually pleasant to use. I've used it in almost every Go project I've worked on. But…...

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Oracle Blogs
blogs. oracle. com > mysql > join-mysql-public-discussion-5-community-participation-governance-and-next-steps

Join My SQL Public Discussion #5: Community Participation, Governance, and Next Steps

1+ day, 1+ hour ago  (540+ words) As part of our ongoing My SQL Community engagement series, we are pleased to invite you to Public Discussion #5, taking place on July 15, 2026, at 7: 00 AM PT. Over the past several months, these public discussions have helped us continue the conversation…...

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DEV Community
dev. to > dataengineeringguide > clickhouse-optimize-table-final-48kc

OPTIMIZE TABLE. .. FINAL in Click House: when to use it, when to avoid it, and how merges work

1+ day, 1+ hour ago  (1558+ words) Weeks later, Click House feels slower after OPTIMIZE, and your cluster's performance has degraded. Both symptoms create pressure for immediate relief, so forcing a merge can feel like the obvious next step. The operation takes a while, but when it…...

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DEV Community
dev. to > dataengineeringguide > real-time-analytics-star-schema-joins-3ife

Best real-time analytics database for star schema and fast joins (2026 guide)

1+ day, 1+ hour ago  (1308+ words) This guide gives you a practical framework for evaluating modern join capabilities, performance limits, and operational tradeoffs. The old rule that real-time analytics requires aggressive denormalization? It's obsolete in 2026. Vectorized query execution, memory-efficient join algorithms, and automatic query optimization have…...

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DEV Community
dev. to > peacemediaengines > how-to-programmatically-isolate-connection-leaks-before-your-database-locks-up-4c10

How to Programmatically Isolate Connection Leaks Before Your Database Locks Up

1+ day, 2+ hour ago  (398+ words) Every backend engineer has lived through this scenario: It's a high-traffic Tuesday, your application metrics look fine, and then'boom. API latency spikes to infinity, health check endpoints fail, and your primary database node goes completely dark. "You shell into the…...

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