star schema in data warehouse

Impala Catalog Server Cdh2 Impala Daemon Cdh1 Cdh3 Cdh4 Impala Statestore Cdh2 Oozie Oozie Server Cdh2 Sqoop 2 Sqoop 2 Server Cdh2 YARN Jobhistory Server Cdh2 NodeManager Cdh1 Cdh3 Cdh4 ResourceManager Cdh2 CDH's official Installation documentation URL address is:Http://www.c

(v) Advanced technology 16. Segmented dimension This article describes the implementation technology of the piecewise dimension. A segmented dimension contains a fragment of a contiguous value. For example, the annual Sales order segmentation dimension may contain three files called "Low", "medium", "High", and each file definition is 0.01 to 15000, 15000.01 to 30000.00, 30000.01 to 99999999.99. If a customer's annual sales order amount is 10000, it is classified as low. A segmented dimension c

Ix. Degradation DimensionsThis section discusses a technique called a degenerate dimension. This technology reduces the number of dimensions and simplifies the dimension Data Warehouse model. Simple patterns are easier to understand than complex and have better query performance. This dimension can be degraded when there is no data required for the

Tags: sqlAzure Documentation:https://docs.azure.cn/zh-cn/#pivot =productspanel=databasesSQL Data Warehouse Documentation:https://docs.azure.cn/zh-cn/sql-data-warehouse/Learn how to use SQL Data Warehouse, which combines SQL Server

Tags: IMA analysis lap alt report Results Store Service AssociationThe 17th Chapter Data Warehouse and on-line analysis processing technologyThere are two types of data processing tasks that are not used in computer systems: operational and analytical, also called OLTP (online transaction processing) and OLAP (Online analytical Processing)Operational processing r