Label:In short, the database is a transaction-oriented design, the Data Warehouse is a theme-oriented design.Databases generally store online transaction data, and data warehouses typically store historical data.Database design is to avoid redundancy as far as possible, generally adopt the rule of conforming to the pattern design, Data Warehouse design is intentionally introduce redundancy, adopt the way of
1, the storage jar package positioning Any dependency, plug-in, or project-built output in the MAVEN world can be called artifacts, and any one component has a coordinate as its unique identity. The coordinates are: group, Artifactid, version; Depending on the coordinates, it is possible to define its unique storage path in the warehouse, so it can be referenced in the project. 2. Maven Warehouse princip
1. Environment Construction1.1 Downloadshttp://www.sonatype.org/nexus/NEXUS oss [OSS = open source software, open source software--free]NEXUS Professional-free TRIAL [Professional version-charge].So choose Nexus OSS Locate the download Andinstall Nexus OSS. You can download the zip: 1.2 ConfigurationUnzip the downloaded zip package to get the following directory: Add the Bin directory of the Nexus to the PATH environment variable: To associate the Nexus with the JDK currently in
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Comparison of the characteristics of nine large data warehouse schemes
China Institute of Electronic Equipment Systems Engineering Wang Jiannu Lidompo
Powerful companies such as IBM, Oracle, Sybase, CA, NCR, Informix, Microsoft, and SAS have launched their own data warehousing solutions (through acquisitions or research and development). Professional software companies such as Bo and Brio also have a place in the front-end online ana
Data Warehouse is a comprehensive technology and solution based on data management and application. The successful implementation of data warehouses has a significant impact on the cultivation of a culture of knowledge sharing. Currently, the data warehouse-based decision support system is mainly used in banking and securities industries.
With the intensification of global competition, more and more
In general, two monitored operational components in a data warehouse environment are the use of data and data stored in the Data warehouse. Monitoring data in a data warehouse environment is the basic ability to manage a data warehouse environment. Some important information can be obtained by monitoring data in a data
Basic concepts:
1. Multi-dimensional dataset: a multi-dimensional dataset is the main object in Online Analytical Processing (OLAP) and a technology that allows quick access to data in a data warehouse. A multi-dimensional dataset is a collection of data. It is usually constructed from a subset of a data warehouse, and is organized and aggregated into a multi-dimensional structure defined by a set of dimen
This article discusses two common methods in data warehouse model design. In the application environment of data warehouses, there are two types of load: one is to answer repetitive questions, and the other is to answer interactive questions. Dynamic query has obvious interactive features. This interaction process is often called data mining or knowledge exploration.
Features of the Data Warehouse Model
server|sqlserver| data
The construction and analysis of SQL Server Data Warehouse
(i) Basic concepts:
1. Cubes: Cubes are the primary object in online analytical processing (OLAP) and are a technology that allows fast access to data in a data warehouse. A cube is a collection of data, typically constructed from a subset of the Data Warehouse, an
Just a few days ago, a user participated in a job interview for an enterprise. He applied for the DBA of the company and was responsible for data analysis. This company successfully completed the process. Until the person in charge of the company. The owner only gave him an interview question: Let's talk about the differences between the database and the data warehouse you understand.
This public suddenly dumbfounded. As far as technology is concerned
From: http://shine-it.net/index.php/topic,4178.0.html
There are two kinds of raw material procurement situations: one is to first receive the goods and pay according to the actual amount of goods received; the other is to pay first, and the other party then delivers the goods. For domestic suppliers, the former is usually used for processing, but some imported raw materials, the other party will require first payment, or partial prepayment, the other party will ship. The two cases have differen
Instance construction process and analysis
1Now we will analyze and discuss it with a simple example.Ms SQL ServerData warehouse construction process. In fact, the construction of the Data Warehouse is quite complex. It combines the front-end technology of the data warehouse with strong business requirements. Here is just a simple example to illustrate his gene
A brief explanation of common nouns in data data Warehouse
Data Warehouse in the middle of the 80 's, Mr. William H.inmon, the "Father of the warehouse", defined the concept of data warehousing in his book "Building Data Warehouses," and then gave a more precise definition: Data warehousing is a topic-oriented, integrated, A data collection that is related to tim
According to the Informix Data Warehouse System implementation methodology, we can divide the data warehouse implementation into the following steps:
1. Business Demand Analysis
Business Requirement analysis is the basis for data warehouse construction. It is necessary to fully communicate with users, understand the real needs of users, avoid misunderstanding, an
Summary of articles on Data Warehouse
My data warehouse path!
A series of articles on Data Warehouse dimension Processing1. series of methods to explore Data Warehouse-Dimension Data Processing --
Dimension Overview
2. series of methods to explore Data Warehouse-Di
Brief introduction
DB2 Warehouse combines the powerful data support of IBM DB2 and a set of IBM Business Intelligence (Business Intelligence) products to provide a comprehensive business intelligence platform and its application tools, These components enable organizations to build and deploy analysis solutions for next-generation data warehouses.
The article will detail the graphical installation of DB2 Warehou
(Original article: ScalingtheFacebookdatawarehouseto300PB ?, This article is translated from the original article. Facebook's challenges in storage scalability in data warehouses are unique. Our Hive-based data warehouse stores more than Pb of data and is growing at a rate of TB per day. The number of data stored in this data warehouse last year
(Original article: Scaling the Facebook data
MAVEN Warehouse Classificationmaven Warehouse is divided into: local warehouse + Remote Warehouse two major categoriesRemote Warehouse is divided into: Central warehouse + Other public Remote Storage 1, in Maven, any dependency, p
Concept | Data 1. What is a data warehouse
The definition of the Data warehouse is given in the book "Building the Data Warehouse" by W.h.inmon, "a data structure that is subject-oriented, integrated, stable, and time-varying in data collection to support management decisions." ", said the popular point: The Data Warehouse
Data
ZT: A brief explanation of common nouns in data Warehouse
Data Warehouse in the middle of the 80 's, Mr. William H.inmon, the "Father of the warehouse", defined the concept of data warehousing in his book "Building Data Warehouses," and then gave a more precise definition: Data warehousing is a topic-oriented, integrated, A data collection that is related
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