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A distributed job server built specifically for queuing and executing heavy SQL read jobs asynchronously. Separate out reporting layer from apps. MySQL, Postgres, ClickHouse.

• Supports MySQL, PostgreSQL, ClickHouse as source databases.
• Supports MySQL and PostgreSQL as result / cache databases for job results.

Popular Simple Open Source Online Judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training, with easy installation. 简单实用的开源OJ系统

Библиотека для чтения метаданных 1С:Предприятие 8 из баз данных Microsoft SQL Server и PostgreSQL.

flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》

从数据到智能：企业级数据平台的构建、演进与 Agentic BI 实践。一个数据开发的八年数据工程手记：从 0 到 1 构建企业级医药数据平台，再到 Data + AI 转型下的 Agentic BI。

OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. It uses LangGraph and LangChain to build chat agent and workflows that support natural language to SQL conversion and data analysis.

• Natural Language Interaction: Get data analysis results by asking questions in natural language
• Automatic SQL Generation: Convert natural language queries into SQL statements using advanced text2sql workflows with schema linking and well organized prompt engineering

基于flink的实时流计算web平台

Benchmark for vector databases.

Scalable master data management, identity resolution, entity resolution, and deduplication using ML

Compile-time Language Integrated Queries for Scala

Replicate postgres to SQLite on the edge

基于SpringBoot2.x、SpringCloud和SpringCloudAlibaba并采用前后端分离的企业级微服务多租户系统架构。并引入组件化的思想实现高内聚低耦合，项目代码简洁注释丰富上手容易，适合学习和企业中使用。真正实现了基于RBAC、jwt和oauth2的无状态统一权限认证的解决方案，面向互联网设计同时适合B端和C端用户，支持CI/CD多环境部署，并提供应用管理方便第三方系统接入；同时还集合各种微服务治理功能和监控功能。模块包括:企业级的认证系统、开发平台、应用监控、慢sql监控、统一日志、单点登录、Redis分布式高速缓存、配置中心、分布式任务调度、接口文档、代码生成等等。

ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.

• custom databases
• indexing layers

A micro ORM for the python dbapi spec inspired by the Nuget package Dapper

New generation opensource data stack

Bitalostored is a high-performance distributed storage system, core engine based on bitalosdb(self-developed), compatible with Redis protocol.