FAQs 数据仓库价格 概览 Greenplum数据仓库 UDW Copyright © 2012-2021 UCloud 优刻得 6/206 产品架构 产品架构 数据仓库（UCloud Data Warehouse）是⼤规模并⾏处理数据仓库产品，基于开源的Greenplum开发的⼤规模并发、完全托管的PB级数据仓库服务。UDW可以通过SQL让数据分析更简 单、⾼效，为互联⽹、物联⽹、⾦ 添加到⼯程的 BUILD PATH。 ⽰例程序1，java连接UDW，执⾏建表，插⼊操作 PostgreSQLJDBC1.java import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; public class PostgreSQLJDBC1 { public static } } ⽰例程序⼆：java连接UDW，执⾏查询操作 PostgreSQLJDBC2.java import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; public class PostgreSQLJDBC2 {

Resolved Issues 141 Server 141 Cluster Management 142 Data Flow 142 Extensions 142 Drivers 143 Query Processing 143 Release 6.25.1 143 Server 143 Data Flow 144 Release 6.25.0 144 Features 144 Resolved Processing 145 Cluster Management 146 Data Flow 146 Upgrade 146 Release 6.24 146 Release 6.24.6 146 Query Processing 146 Server 147 Release 6.24.5 147 Data Flow 147 Release 6.24.4 147 Changed Release 6.24.0 150 Features 151 Resolved Issues 151 Extensions 151 Server 151 Query Processing 152 Data Flow 153 Cluster Management 153 Release 6.23 153 Release 6.23.5 153 Changed Features 153 VMware

143 Extensions 144 Data Connectors 145 VMware Greenplum 7 Documentation VMware by Broadcom 3 Hardware Requirements 146 VMware Greenplum on DCA Systems 146 Storage 146 Data Domain Boost (VMware Redundancy 160 Network Interface Configuration 160 Switch Configuration 161 About ETL Hosts for Data Loading 162 About VMware Greenplum Performance Monitoring 163 About Management and Monitoring Utilities 174 Managing XIDs and the Frozen XID 175 Example of XID Modulo Calculations 176 About Parallel Data Loading 177 About Redundancy and Failover in Greenplum Database 178 About Segment Mirroring 178

Cluster Management 148 VMware Greenplum 6 Documentation VMware by Broadcom 3 Disaster Recovery 148 Data Flow 149 Release 6.26.1 149 Zstandard (zstd) Supported Version 149 Query Processing 149 Server 150 Features 150 Resolved Issues 150 Server 151 Query Processing 151 Cluster Management 151 Data Flow 152 Release 6.25 152 Release 6.25.4 152 Query Processing 152 Release 6.25.3 152 Cluster Resolved Issues 154 Server 154 Cluster Management 155 Data Flow 155 Extensions 156 Drivers 156 Query Processing 156 Release 6.25.1 157 Server 157 Data Flow 157 Release 6.25.0 157 VMware Greenplum 6

Release 6.24.0 133 Features 133 Resolved Issues 134 Extensions 134 Server 134 Query Processing 135 Data Flow 135 Cluster Management 136 Release 6.23 136 Release 6.23.3 136 Changed Feature 136 Resolved Greenplum on vSphere 138 Release 6.23.1 138 Resolved Issues 138 Server 138 Query Processing 140 Data Flow 140 VMware Greenplum 6 Documentation VMware, Inc 3 Release 6.23.0 140 Features 140 Resolved 144 Release 6.22 144 Release 6.22.2 144 Resolved Issues 144 Server 144 Query Processing 145 Data Flow 146 Release 6.22.1 146 Resolved Issues 146 Server 146 Query Processing 147 Cluster Management

136 Release 6.22 137 Release 6.22.2 137 Resolved Issues 137 Server 137 Query Processing 138 Data Flow 139 Release 6.22.1 139 Resolved Issues 139 Server 139 Query Processing 139 Cluster Management Issues 142 Server 142 VMware Tanzu Greenplum 6 Documentation VMware, Inc 3 Query Processing 143 Data Flow 143 Cluster Management 144 DataDirect ODBC 144 Release 6.21 144 Release 6.21.3 144 Server Query Processing 146 Data Flow 147 Tanzu Greenplum on vSphere 147 Release 6.21.0 147 Features 147 Resolved Issues 149 Server 149 Query Processing 151 Cluster Management 151 Data Flow 151 Extensions

Release 6.22 134 Release 6.22.3 134 Resolved Issues 134 Data Flow 134 Release 6.22.2 134 Resolved Issues 134 Server 135 Query Processing 136 Data Flow 136 Release 6.22.1 136 Resolved Issues 136 Server Management 138 Release 6.22.0 138 Features 138 Resolved Issues 140 Server 140 Query Processing 141 Data Flow 141 Cluster Management 141 DataDirect ODBC 141 Release 6.21 142 VMware Tanzu Greenplum 6 Query Processing 144 Data Flow 144 Tanzu Greenplum on vSphere 144 Release 6.21.0 144 Features 145 Resolved Issues 146 Server 146 Query Processing 148 Cluster Management 148 Data Flow 148 Extensions

Query Processing 131 Data Flow 131 Tanzu Greenplum on vSphere 131 Release 6.21.0 132 Features 132 Resolved Issues 133 Server 133 Query Processing 135 Cluster Management 135 Data Flow 135 Extensions Release 6.20.3 136 Resolved Issues 137 Server 137 Cluster Management 137 Query Optimizer 137 Data Flow 137 Release 6.20.1 138 Resolved Issues 138 Server 138 Cluster Management 138 Query Optimizer Server 141 Data Flow 142 Release 6.19 142 Release 6.19.4 142 Resolved Issues 142 Data Flow 142 Server 142 Release 6.19.3 142 Resolved Issues 142 Server 142 Query Optimizer 143 Data Flow 143 PostGIS

on DCA Systems 145 Storage 146 Data Domain Boost (Tanzu Greenplum) 146 Tanzu Greenplum Tools and Extensions Compatibility 0 Client Tools 147 Extensions 147 Data Connectors 148 Tanzu Greenplum Text Resolved Issues 151 Data Flow 151 Server 151 Release 6.19.3 152 VMware Greenplum v6.19 Documentation VMware, Inc. 3 Resolved Issues 152 Server 152 Query Optimizer 152 Data Flow 152 PostGIS 153 Changed Features 153 Resolved Issues 153 Server 153 Query Optimizer 153 Cluster Management 153 Data Flow 154 Release 6.19.1 154 Changed Features 154 Resolved Issues 154 Server 154 Query Optimizer

on DCA Systems 144 Storage 145 Data Domain Boost (Tanzu Greenplum) 145 Tanzu Greenplum Tools and Extensions Compatibility 0 Client Tools 146 Extensions 146 Data Connectors 147 Tanzu Greenplum Text 0 151 Features 151 Resolved Issues 152 Server 152 Query Optimizer 154 Cluster Management 154 Data Loading 155 Release 6.17 155 Release 6.17.7 155 Resolved Issue 155 Server 155 Release 6.17.6 Resolved Issues 207 Release 6.0.0 209 New Features 209 PostgreSQL Core Features 209 INTERVAL Data Type Handling 209 Additional PostgreSQL Features 210 Zstandard Compression Algorithm 210 Relaxed