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SQL
Setting candidate class Unique results Defining a result type Parameters As we have described earlier, JDO allows access to many query languages to give the user full flexibil... -
HiveJdbc
Support Hive Version Support Those Engines Key Features Description Supported DataSource Info Database Dependency Data Type Mapping Source Options Tips Task Example Simple... -
Installing
Pre-install Install Configure Settings for Connecting Ranger Admin ranger-spark-security.xml Using Macros in Row Level Filters Showing all disallowed privileges ranger-spark-a... -
Evolution
Schema evolution Correctness Partition evolution Sort order evolution Iceberg supports in-place table evolution . You can evolve a table schema just like SQL — even in nested... -
Ubuntu 18
Steps Next Step More Information On a server host that has Internet access, use a command line editor to perform the following Steps Before installing Ambari, you must upda... -
Amazon Linux 2
步骤 下一步 更多信息 在可以访问 Internet 的服务器主机上，使用命令行编辑器执行以下操作 步骤 以 root 身份登录到您的主机。 将 Ambari 存储库文件下载到安装主机上的目录。 wget - nv https :// username : password@archive . cloudera . com / p /... -
GitHub 趋势日报 (2025年04月19日)
📈 今日整体趋势 Top 10 📊 分语言趋势 Top 5 C++ MDX Dart C TypeScript Java Lua JavaScript Rust Go Vim Script C HTML Markdown PHP Kotlin Jupyter Notebook Shell Python Dockerfi... -
升级
1. 备份上一版本文件和数据库 2. 停止dolphinscheduler所有服务 3. 下载新版本的安装包 4. 数据库升级 5. 服务升级 5.1 修改conf/config/install_config.conf 配置内容 注意事项 升级时如何设置worker分组与之前一致 5.2 执行部署脚本 1. 备份上一版本文件和数据库 ... -
Branching and Tagging
Overview Use Cases Historical Tags Audit Branch Usage Overview Iceberg table metadata maintains a snapshot log, which represents the changes applied to a table. Snapshots ar... -
Table Watermark
Table freshness Table watermark Table freshness Data freshness represents timeliness, and in many discussions, freshness is considered one of the important indicators of data q...
