max(zfje) from stage.fs_zh_cdfispad; 6480500000 43.3s 6480500000. 00 2.1s 20.6x select min(zfje) from stage.fs_zh_cdfispad; 0.01 43.1s 0.01 2.1s 20.5x select count(zh||zplx||zphqlw||zphhlw) as zh from stage 36358806000 54.0s 37488884000 2.5 21.6x 案例分享：安吉物流 • Oracle Server environment: – HP RP5405 – 2*2.1G CPU – 4G momery – 200G harddisk – Price: 300,000 + Rmb • GreenPlum Server environment: – 2 PC server

如果连接成功，输出： { name: 'john', height: 50 } { name: 'brown', height: 68 } 2 图形界⾯的⽅式访问 图形界⾯的⽅式访问UDW 2.1 配置 配置UDW外⽹访问 外⽹访问 udw默认是通过内⽹访问的，为了数据安全性，尽量不要通过外⽹访问UDW，如果需要图形界⾯的⽅式访问UDW，则需要配置udw的外⽹访问，请参考： 前提：有⼀台可以访问 2、数据库管理 、数据库管理 当你成功连接上数据库后，你可以创建你的第⼀个数据库（但这不是必须的，你也使⽤默认创建的数据库来作为你的业务数据库）。下⾯的操作以 psql ⽅式连接到 udw 为例。 2.1 创建数据库 创建数据库 create database product; 2.2 查看所有数据库 查看所有数据库 “l”命令查看 开发指南 Greenplum数据仓库 UDW Copyright SMALLINT 能满⾜业务需求时，使⽤ BIGINT 会带来磁盘空间的浪费。 2 存储⽅式 存储⽅式 udw 在创建表格的时候提供了堆表和追加表两种存储模式，提供了⾏存储、列存储、外部表的存储⽅式。 2.1 堆表和追加表 堆表和追加表 开发指南 Greenplum数据仓库 UDW Copyright © 2012-2021 UCloud 优刻得 128/206 堆表适合于较⼩、经常更新的数据存储⽅式。

25443 2. 初始化 Greenplum 集群 前面编译部分介绍了如何使用 Greenplum 源代码中的 demo 集群脚本创建集群。这种方法简单快 捷，然而屏蔽了很多细节。 2.1 手工集群初始化 下面介绍如何手工部署一个单机集群：在一台笔记本上安装一个Greenplum的集群，包括一个 master，两个segments。 # step 0. 系统环境配置

method to configure GPORCA for skew-aware join costing. The diskquota module was updated to version 2.1, which includes these changes: The 10 database limit is removed, diskquota can now monitor up to 50 krb5-multidev libcurl3-gnutls VMware Greenplum 6 Documentation VMware, Inc 257 libcurl4 libevent-2.1-6 libxml2 libyaml-0-2 zlib1g libldap-2.4-2 openssh-client openssl perl readline rsync sed installation The following sections describe these tasks in detail. Prerequisites For PL/Container 2.1.x use Greenplum Database 6 on CentOS 7.x (or later), RHEL 7.x (or later), or Ubuntu 18.04. For PL/Container

method to configure GPORCA for skew-aware join costing. The diskquota module was updated to version 2.1, which includes these changes: The 10 database limit is removed, diskquota can now monitor up to 50 installer: libapr1 libaprutil1 bash bzip2 krb5-multidev libcurl3-gnutls libcurl4 libevent-2.1-6 libxml2 libyaml-0-2 zlib1g libldap-2.4-2 openssh-client openssl perl readline rsync sed detail. Prerequisites For PL/Container 2.1.x use Greenplum Database 6 on CentOS 7.x (or later), RHEL 7.x (or later), or Ubuntu 18.04. Note: PL/Container 2.1.x supports Docker images with Python 3 installed

method to configure GPORCA for skew-aware join costing. The diskquota module was updated to version 2.1, which includes these changes: The 10 database limit is removed, diskquota can now monitor up to 50 iproute2 iputils-ping krb5-multidev libapr1 libaprutil1 libcurl3-gnutls libcurl4 libevent-2.1-6 libldap-2.4-2 libreadline7 or libreadline8 libuuid1 libxml2 libyaml-0-2 less locales net-tools PL/Container Beta Image for R 3.0.0-beta R 3.4.4 GreenplumR 1.1.0 Supports R 3.6+. MADlib Machine Learning 2.1, 2.0, 1.21, 1.20, 1.19, 1.18, 1.17, 1.16 Support matrix at MADlib FAQ. PostGIS Spatial and Geographic

method to configure GPORCA for skew-aware join costing. The diskquota module was updated to version 2.1, which includes these changes: The 10 database limit is removed, diskquota can now monitor up to 50 installer: libapr1 libaprutil1 bash bzip2 krb5-multidev libcurl3-gnutls libcurl4 libevent-2.1-6 libxml2 libyaml-0-2 zlib1g libldap-2.4-2 openssh-client openssl perl readline rsync sed PL/Container Beta Image for R 3.0.0-beta R 3.4.4 GreenplumR 1.1.0 Supports R 3.6+. MADlib Machine Learning 2.1, 2.0, 1.21, 1.20, 1.19, 1.18, 1.17, 1.16 Support matrix at MADlib FAQ. PostGIS Spatial and Geographic

installation The following sections describe these tasks in detail. Prerequisites For PL/Container 2.1.x use Greenplum Database 6 on CentOS 7.x (or later), RHEL 7.x (or later), or Ubuntu 18.04. The minimum cache: sudo yum makecache fast 5. Install Docker: sudo yum -y install docker-ce Note PL/Container 2.1.x supports Docker images with Python 3 installed. VMware Greenplum 7 Documentation VMware by Broadcom diskquota 2.2 module is installed when you install or upgrade Greenplum Database. Versions 1.x, 2.0.x, and 2.1.x of the module will continue to work after you upgrade Greenplum. Perform the following procedure

installer: libapr1 libaprutil1 bash bzip2 krb5-multidev libcurl3-gnutls libcurl4 libevent-2.1-6 libxml2 libyaml-0-2 zlib1g libldap-2.4-2 openssh-client openssl perl readline rsync sed installation The following sections describe these tasks in detail. Prerequisites For PL/Container 2.1.x use Greenplum Database 6 on CentOS 7.x (or later), RHEL 7.x (or later), or Ubuntu 18.04. For PL/Container for Docker: sudo yum install -y yum-utils device-mapper-persistent-data lvm2 Note: PL/Container 2.1.x supports Docker images with Python 3 installed. VMware Greenplum v6.18 Documentation VMware, Inc

installer: libapr1 libaprutil1 bash bzip2 krb5-multidev libcurl3-gnutls libcurl4 libevent-2.1-6 libxml2 libyaml-0-2 zlib1g libldap-2.4-2 openssh-client openssl perl readline rsync sed installation The following sections describe these tasks in detail. Prerequisites For PL/Container 2.1.x use Greenplum Database 6 on CentOS 7.x (or later), RHEL 7.x (or later), or Ubuntu 18.04. For PL/Container user with sudo privileges. 1. Ensure the user has sudo privileges or is root. Note: PL/Container 2.1.x supports Docker images with Python 3 installed. VMware Greenplum v6.19 Documentation VMware, Inc