dfs warehouse

The following is an excerpt from the Internet and collated.Noun:BI (Business Intelligence): Commercial Intelligence,DW (Data Warehouse): Warehouse, see the Text Q1 section.OLTP (on-line Transaction processing): Online transaction processingAlso known as the transaction-oriented processing system, its basic characteristic is that the customer's raw data can be transferred to the computing center immediately

Design | data [For the convenience of their own reading so collect and organize here, Www.DMResearch.net] 21 Principles of Data Warehouse design --7 steps, 7 taboos and 7 ways of thinking Seven steps to efficiently implement a data warehouse The data warehouse is somewhat related to our common RDBMS system, but it is different. If you have not implemented

The following content is taken from the Internet and sorted out. Terms: Bi (Business Intelligence): Business Intelligence, DW (data warehouse): Data Warehouse. For details, see section Q1. OLTP (on-line transaction processing): Online Transaction Processing It is also known as a transaction-oriented processing system. Its basic feature is that the customer's raw data can be immediately transmitted to the

　　Seven steps for efficient data warehouse implementation The data warehouse has some kinship with our common RDBMS systems, but it is different. If you have not implemented a data warehouse, from setting goals to providing design, from creating a data structure to writing data analysis programs, to evaluating the users who are picky about it, the whole process w

How data builds a bank data warehouse Song Yuchang, No. 11th Xinhua East Road, Dengzhou, Henan, China. As a new technology in data management field, the essence of Data Warehouse technology is to put forward a comprehensive solution for online analytical processing (OLAP), which differs from many previous technologies, and it is mainly a concept, under the guidance of this concept, to complete the system c

Function modules of the Warehouse Management System: 1. the system function setting module allows you to customize the management rules of the entire system, including the functions of defining administrators and operating passwords; 2. the basic information maintenance module generates a unique basic bar code serial number tag for each batch of products. You can define the serial number according to your needs. Each type of product has a fixed en

Policy | data 6 Strategies of Data Warehouse implementation In the implementation of the data warehouse, the need for theoretical guidance, with the development of data Warehouse technology, Data Warehouse implementation strategy has been from the original "Top-down" a model developed to six models. 1, "Top-down"

Data Warehouse Introduction Definition:A data warehouse is a structured data environment that supports decision-making and online analysis of application data sources. The data warehouse researches and solves the problem of obtaining information from the database.Data Warehouse features theme-oriented, integration, st

A data warehouse is an environment rather than a product that provides current and historical data for decision-making support. This data is difficult or cannot be obtained in traditional operational databases. Data Warehouse Technology is a general term for various technologies and modules to effectively integrate operational data into a unified environment to provide decision-making data access. All you d

Data currently, the term Data Warehouse does not yet have a unified definition, the famous data Warehouse expert W.h.inmon in his book, "Building The Data Warehouse", gave the following description: the database Warehouse) is a theme-oriented (Subject oriented), integrated (integrate), relatively stable (non-volatile),

, fetched: 4 row (s)# Import/root/soft/student.txt local records to the student tableHive> load data local inpath '/root/soft/student.txt' into Table student;Copying data from file:/root/soft/student.txtCopying file:/root/soft/student.txtLoading data to table default. StudentTable default. Student stats: [numfiles = 1, numrows = 0, totalsize = 43, rawdatasize = 0]OKTime taken: 0.376 seconds# Check the student table. If there is a record, the local data is successfully inserted.Hive> select * fro

Original address I. Definition of metadata According to the traditional definition, metadata (Metadata) is data about data. In the Data warehouse system, metadata can help data warehouse administrators and developers of data warehouses to easily find the data they care about; metadata is the data that describes the structure and methods of data in a data warehouse