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SQL DDL
Spark SQL Create table Create non-partitioned table Create partitioned table Create table with record keys and ordering fields Create table from an external location Create Ta... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
Java API
Tables Table metadata Scanning File level Transactions Types Primitives Nested types Expressions Expression binding Expression example Modules Tables The main purpose... -
Design & Concepts
How does Hudi ensure atomicity? Does Hudi extend the Hive table layout? What concurrency control approaches does Hudi adopt? Hudi’s commits are based on transaction start time i... -
GitHub 趋势日报 (2025年05月29日)
📈 今日获星趋势图 🌈 语言分布图 🏆 今日热门项目 Top 6 📋 完整排行榜 🎯 分语言热门项目 ● C++" level="3">● C++ ● TypeScript" level="3">● TypeScript ● Swift" level="3">● Swift ● Rust" level="3">● Rust ● C" ... -
Alert SPI
DolphinScheduler Alert SPI 主要设计 DolphinScheduler SPI 设计 主要模块 Alert SPI 主要类信息： Alert SPI 内置实现 DolphinScheduler Alert SPI 主要设计 DolphinScheduler SPI 设计 DolphinScheduler 正在处于微内... -
Flink Getting Started
Preparation when using Flink SQL Client Flink’s Python API Adding catalogs. Catalog Configuration Hive catalog Creating a table Writing Branch Writes Reading Type conversi... -
升级步骤
DolphinScheduler 升级 准备工作 检查不向前兼容的更改 备份上一版本文件和数据库 下载新版本的安装包 升级步骤 停止 dolphinscheduler 所有服务 数据库升级 资源迁移 示例： 服务升级 修改 bin/env/install_env.sh 配置内容 注意事项 worker 分组的区别（以 1.3.1 版本... -
Flink Quick Start
Setup Flink Support Matrix Download Flink and Start Flink cluster Start Flink SQL client Create Table Insert Data Query Data Update Data Delete Data Row-level Delete Batch... -
MongoDB
Support Those Engines Key Features Description Supported DataSource Info Data Type Mapping Source Options Tips How to Create a MongoDB Data Synchronization Jobs Parameter I...
