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The article chronicles the twelve‑year evolution of China’s Database Technology Conference (DTCC), showing how it transformed isolated DBA communities into a collaborative ecosystem, introduced new topics such as cloud and NoSQL, and enabled figures like 那海蓝蓝 to shape the nation’s database engineering landscape.
The 17th China Database Technology Conference (DTCC 2026) ran from August 20‑22 in Beijing, gathering top experts to discuss database kernel innovations, cloud‑native and distributed practices, AI‑driven data, vector databases, real‑time warehouses, and the emerging Agent era, while showcasing cutting‑edge solutions from Dameng, Tencent Cloud, Alibaba Cloud, OceanBase and GoldenDB.
This guide walks you through the concept of AI Agent Skills, from the fundamentals of progressive loading and YAML front‑matter to practical steps for creating, publishing, installing, and managing Skills across platforms, while highlighting best practices, versioning challenges, and emerging self‑improvement techniques.
In this interview, senior DBA Yao Wei shares over a decade of hands‑on experience designing, testing, and operating heterogeneous database ecosystems for retail, internet, and financial services, detailing pre‑emptive DBA involvement, compatibility pitfalls, high‑availability strategies, automated validation pipelines, and migration to domestic databases.
Oracle’s 2026 layoffs hit the MySQL team, community contributions fell 44% since 2017, while PostgreSQL climbs, and SQLite—once dismissed as a toy—now powers billions of devices and edge‑computing platforms, boosted by projects like LibSQL, Turso, Cloudflare D1 and Litestream, offering latency advantages over traditional servers.
Microsoft is adding a TPM‑based hardware‑secured layer to Windows KMS, forcing KMS hosts to prove their identity and integrity, which will cripple online KMS activation tools, compel enterprises to audit and upgrade their servers, and shift activation trust from software to hardware.
This article explains why MySQL discourages using NULL as a default column value, demonstrates how NULL affects indexing, comparisons, and aggregate functions, and shows through concrete examples that improper NULL handling can lead to unexpected query results and performance degradation.
The article traces the origin of the ubiquitous NIST password rule requiring uppercase letters, numbers, and special characters to an eight‑page 2003 guideline authored by Bill Burr, examines why the rule fails for human‑chosen passwords, and explains how NIST later rescinded it after the author expressed regret.
In this interview, Dingdang Kuaike’s R&D head Song Zilong explains how the company transformed a tightly coupled monolith into a micro‑service system, built intelligent real‑time scheduling, migrated Oracle to sharded MySQL across hybrid‑cloud IDC, and leveraged AI to sustain a 28‑minute drug‑delivery promise.
The article traces the 20‑year history of Java’s type‑erased generics, contrasts it with C#’s reified generics, explains the performance and compatibility trade‑offs, and shows how Project Valhalla’s value classes and generic specialization finally close the gap.
