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dev.to > alexmercedcoder > the-file-format-renaissance-parquet-lance-vortex-nimble-btrblocks-and-the-new-physics-of-32oj

The File Format Renaissance: Parquet, Lance, Vortex, Nimble, BtrBlocks, and the New Physics of Columnar Storage

31+ min ago  (1003+ words) Strip the category to its decisions, because every format in this article is a different set of answers to the same five questions. Hold those five, and one economic fact from my storage deep dive: on object storage, the format's…...

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dev.to > mads_hansen_27b33ebfee4c9 > ai-database-access-should-not-be-approved-with-a-vibe-check-3e8i

AI database access should not be approved with a vibe check

32+ min ago  (160+ words) The demo is easy. Connect a model to a database. Ask a natural-language question. Get an answer. The production decision is harder. Who is the model acting for? Which tables can it touch? What happens when it guesses the wrong…...

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dev.to > alexmercedcoder > lakehouse-table-formats-in-2026-iceberg-delta-lake-hudi-paimon-and-ducklake-how-they-work-p1k

Lakehouse Table Formats in 2026: Iceberg, Delta Lake, Hudi, Paimon, and DuckLake, How They Work, Where They Stand, and Where They're Going

43+ min ago  (1116+ words) The table format war is over, and the table formats are not. Both halves of that sentence are true, both matter, and the tension between them is exactly why this article needs to exist. One compressed refresher, because every comparison…...

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dev.to > yuripeixinho > sql-data-constraints-4gdh

SQL: Data Constraints

1+ hour, 19+ min ago  (401+ words) A chave primária identifica cada linha de forma única. Ela combina duas restrições implicitamente: NOT NULL e UNIQUE. Nenhuma linha pode ter o mesmo valor de chave primária, e nenhuma pode tê-la nula. Quando a chave primária envolve mais de…...

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dev.to > yuripeixinho > sql-aggregate-queries-59h9

SQL: Aggregate Queries

1+ hour, 19+ min ago  (239+ words) Para os exemplos a seguir, considere esta tabela: Conta o número de linhas — ou de valores não nulos em uma coluna específica. Soma os valores de uma coluna numérica. Calcula a média aritmética dos valores. AVG ignora valores nulos automaticamente…...

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dev.to > yuripeixinho > sql-normalizacao-e-formas-normais-3e5j

SQL: Normalização e Formas Normais

2+ hour, 19+ min ago  (540+ words) Proposta por Codd nos anos 1970 e formalizada ao longo das décadas seguintes, a normalização é um processo de reorganização do esquema em formas normais progressivas — cada uma corrigindo uma classe específica de problema. Antes de ver as soluções, vale entender…...

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trendhunter.com > trends > ai-assistant-tool

AI-Assisted Database Features

2+ hour, 5+ min ago  (201+ words) DbSchema Introduced Its AI Assistant Tool for SQL and Schema DbSchema introduced an AI assistant tool that helps developers design and interact with database schemas, featuring natural-language SQL generation and AI-assisted schema modification. The tool translates plain-language prompts into executable…...

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dev.to > yuripeixinho > sql-keyword-tipos-de-dados-operators-2a1c

SQL Keyword, Tipos de Dados & Operators

3+ hour, 20+ min ago  (223+ words) Keywords são as palavras reservadas da linguagem, termos com significado especial que o banco de dados reconhece e interpreta. Elas formam a espinha dorsal de qualquer instrução SQL. Por convenção, keywords são escritas em maiúsculas, embora o SQL seja case-insensitive....

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dev.to > dband-drm > -why-we-built-drm-stopping-production-incidents-caused-by-manual-database-deployments-by-alexey-1bnc

# Why We Built DRM: Stopping Production Incidents Caused by Manual Database Deployments *By Alexey Levin & Eli Shohat, co-founders of D-Band* ---

3+ hour, 10+ min ago  (708+ words) By Alexey Levin & Eli Shohat, co-founders of D-Band Between the two of us, we have spent over 25 years as DBAs. We have worked across industries — finance, healthcare, logistics — and across database platforms: MSSQL, Oracle, PostgreSQL. And in all that time,…...

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dev.to > dnarram > mi-insert-tardaba-25-minutos-y-no-era-culpa-de-los-datos-construyendo-un-data-warehouse-de-4e14

Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

3+ hour, 56+ min ago  (488+ words) Cargar 112.647 filas en una tabla de hechos debería tardar segundos. A mí me tardaba más de 25 minutos, y acababa cancelando la query. Los datos estaban bien, el SQL estaba bien, las dimensiones se poblaban sin problema. El culpable era otro,…...

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