jellyfish warehouse

insufficient data access capabilities, its access performance to a large amount of data is significantly reduced. With the maturity of C/S technology and the development of parallel databases, the development trend of information processing technology is from a large number The transaction database extracts data and clears and converts it to a new storage format, that is, the data is Aggregation in a special format. With the development and improvement of this process, such special data th

Building a real data warehouse in a data warehouse may be a huge project. There are many different devices, methods, and theories. What is the greatest common value? What are facts and what are theme related to these facts? And how do you mix, match, merge, and integrate systems that may have existed for decades with systems that were only implemented a few months ago? This is still in the big data and H Bu

We recommend that you read and understand the following articles: ◆ Use a partition in a Microsoft SQL Server 2000 data warehouse-http://msdn.microsoft.com/library/default.asp? URL =/library/techart/PartitionsInDW.htm◆ SQL Server 2000 step by step batch import case study-http://www.microsoft.com/technet/prodtechnol/ SQL /2000/maintain/incbulkload.mspx◆ Kimberly L. Tripp: SQL Server 2005 Partition Table and index-Http://www.sqlskills.com/resources/Whit

-makingStorage is called Data Warehouse (DW ).W. H. Inmon defines data warehouse as a topic-oriented and integrated data warehouse that supports management decision-making processes..A topic is the standard for data classification. Each topic corresponds to an objective analysis field, such as a customer or store.Assists decision-making in integrating a large amo

First, preliminary preparation: 1. Create SSH Key In the user's home directory, see if there is an. SSH directory, and if so, look at this directory there are no Id_rsa and id_rsa.pub these two files, if already have, can jump directly to the next step. If not, create SSH Key: Enter the home directory. SSH directory (~/), execute the following command:Ssh-keygen-t rsa-c "497049229@qq.com"The first prompt to enter the save file name can not be entered, it will be saved by default as Id_rsa.pu

Design | data End Users The end users are whom you are designing and building the Data Warehouse for? Your customers. They rely on the information They extract, the warehouse in order to work more effectively and efficiently. They also ultimately determine whether or not your Data Warehouse project met its stated goals. For these reasons, your project must is bu

. With the development and refinement of this process, the special data that supports decision making Storage is called a data Warehouse (Warehouse, DW). W. H. Inmon The Data Warehouse is defined as a data warehouse that supports the management decision process, the theme-oriented, integrated , stable, different time

Introduction With the rapid development of China's financial industry, it is an urgent problem for the bank to support the decision analysis by classifying and storing the customer data, analyzing the automatic discriminant of the various factors, and digging out the information needed by the bank managers and the business analyst in the presence of a large amount of data. Data inconsistency, external data, and unstructured data problems are difficult to resolve because the real situation of th

Microsoft's Parallel Data Warehouse (Parallel data Warehouse, abbreviated PDW) was released last year with SQL Server 2008 R2, designed to compete with Oracle Exadata and Teradata. PDW a true sense of the ability to mix workloads, users can extend data from multiple physical servers with a familiar SQL Server database engine. Parallel Data Warehouse is not a sof

Etl,extraction-transformation-loading abbreviations, Chinese names are data extraction, conversion, and loading. Most warehouse-based data architectures can be summarized as: Data source-->ods (operational datastore)-->DW-->DM (data mart) ETL throughout its various links. First, data extraction: It can be understood that data from the source data is pumped into the ODS or DW. 1. Source Data type: relational databases, such as oracle,mysql,sqlserver,

With the advent of data warehousing equipment (Warehouse appliance), the potential of business intelligence and advanced analytics applications has been stimulated, and many enterprises will use the advantages of data warehousing technology to enhance their competitiveness. But not to say that integration equipment is omnipotent, it also has many limitations, according to the business objectives of an enterprise and available resources, sometimes data

Git Remote Repository Git does not have a central server like SVN. The GIT commands we use at the moment are executed locally, if you want to share your code with GIT or work with other developers. You need to put the data on a server that other developers can connect to. This example uses Github as a remote repository, and you can read our Github concise tutorials first. Add a remote Library To add a new remote repository, you can specify a simple name for future references, and the comman

The purpose of the data Warehouse is to build an integrated data environment for analysis, providing decision support for the Enterprise (decision supports). The basic architecture of data warehouse mainly consists of the process of data inflow and outflow, which can be divided into three layers-- source data, Data Warehouse, data application. The Data

This article mainly introduces the open-source MySQL efficient data warehouse solution: Infobright details. This article describes the features of Infobright, the value of Infobright, the applicable scenarios of Infobright, and the comparison with MySQL, for more information, see Infobright, a column-based database based on the unique patented knowledge grid technology. Infobright is an open-source MySQL data ware