federated data warehouse

Before you start spraying this topic, let's take a look at the official definition of the Data warehouse:数据仓库(Data Warehouse)是一个面向主题的(Subject Oriented)、集成的(Integrate)、相对稳定的(Non-Volatile)、反映历史变化(Time Variant)的数据集合，用于支持管理决策。以上是数据仓库的官方定义。"Operational database" such as the Bank accounting system database, every business op

Label:In the absence of a real data warehouse database, all data warehouses are now just a relational database created based on the dimension model, but the Data Warehouse database itself has some differences, such as the unique features of an OLTP database, such as the most

A Introduced Some "super users" with access to data have learned professional Transact-SQL. The convenience of the Report Builder in SQL Server 2005 Report Services (SSRS) extends to the creation of powerful Transact-SQL queries, making it easier for more users to use it. Their ability to consume system resources is beyond their capabilities, posing a challenge to the database administrator (DBA) in maintaining consistent performance. However, when S

Data topic: How to Advertise Data Warehouse? Author: hem Affiliated Forum: Data Warehouse Problem points: 300 Number of replies: 1 Popularity Index: 6 Publish Time: 2001-9-13 16:38:32 Data warehousing is a theme-oriented, integrat

Tags: des style blog http color os using IO JavaFor the first two years of the Data Warehouse, all calculations (including data ETL, and report calculation) were implemented using a high-profile standalone + MySQL approach. No OLAP). Used MySQL's own MyISAM and Columnstore engine infobright. This article summarizes some of the common performance issues and soluti

EndorsementWith the advent of big data, often hear the relevant vocabulary, dimensions, indicators, BI, PV, UV, and so on, if you do not know what the meaning, embarrassed to come out mixed, today I tidied up these words, can let everyone quickly into the relevant topics.DwDW is the abbreviation for Data Warehouse, which is the database

Lesson 5: Use Database Access(Data Warehouse access) Parts The ASP database access group uses ActiveX Data Objects (ADO) to provide a simple and easy-to-use method, information stored in the data warehouse or in the data

Data Warehouse applications have the ability to capture large amounts of shared information from multiple decentralized departmental systems. They can effectively transform the original data of the organization into useful knowledge information, so the knowledge information can be used for strategic decision support to improve the enterprise benefit. With the hel

system does not contain student information, as shown in the system database model: The student status management system is built and managed by the student office. The database stores basic information such as the student's degree, graduation destination, and family status, and stores the student's exam scores for each semester. Because the system focuses on students, there is no instructor information, as shown in the system database model: Because different systems are built and managed

According to the author's experience in the Data Warehouse ETL internship in Teradata and Main Street network, we can understand the relationship and difference between them in architecture design. Teradata is generally the enterprise-class data Warehouse, in the Teradata Data