elt data warehouse

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DB2 Data Warehouse Optimization

Differences between OLAP and OLTP Environments 1 The performance tuning in the DB2 data warehouse environment is different from that in the OLTP environment, mainly manifested in the following aspects: 1.1 transaction length. Transactions in the OLTP environment are usually short transactions, including multipleSQLStatements, which can often be completed within several seconds. In a

What is a data warehouse, and what is the difference between a database

What is a data warehouse, and what is the difference between a databaseDataWarehouseis a subject-oriented (Subject oriented), integrated (integrate), A relatively stable (non-volatile), data collection that reflects historical changes (timeVariant) to support management decisions. (1) topic-oriented: Index data in the

Database and Data Warehouse differences

Data Warehouse is a subject-oriented (Subject oriented), integrated (integrate), relatively stable (non-volatile), data collection that reflects historical changes (time Variant). Used to support management decisions.(1) Topic-oriented: Index data in the warehouse is organiz

Data Warehouse Experience Summary

Data Warehouse Experience Summary Planning by subject domainDW Theme domain contains things that interest decision makers in a certain aspect. A topic domain usually covers multiple business departments. For example, a product subject domain involves sales, finance, logistics, procurement, and other departments. A topic domain includes a topic, such as a product topic. The domain includes topics

Kickfire: SQL chip boosts MySQL data warehouse _ MySQL

Kickfire: the SQL chip boosts the MySQL data warehouse to equip every MySQL database server with an SQL chip. this is a vision of Kickfire to focus on the data warehouse market. Kickfire launched the Kickfire Database Appliance test version integrated with the new SQL chip in April 14. The company said that the SQL ch

Granularity in data warehouse

What does the granularity in the data warehouse mean? Granularity is one of the most important aspects of data warehouse design. Granularity refers to the level at which the data stored in the data unit of the

The difference between the data warehouse and the transaction type database

The specific database that we create for a program is generally called a transactional database (Transaction), and its data Warehouse (DW) is very different. 1. Transactional databases help people perform activities, and data warehouses help people plan. For example, a transactional database might show which seats on a flight are empty, so passengers can make res

Open source Mysql Efficient Data Warehouse Solution: Infobright Detailed Introduction _mysql

Infobright is a column-type database based on a unique proprietary knowledge grid technology. Infobright is open source MySQL Data Warehouse solution, introduced a column storage solution, high-strength data compression, optimized statistical calculation (similar to Sum/avg/group by), Infobright is based on MySQL, but do not install MySQL can also, Because it its

MySQL Data Warehouse Solution infobright detailed

Infobright is a column-type database based on a unique proprietary knowledge grid technology. Infobright is open source MySQL Data Warehouse solution, introduced a column storage solution, high-strength data compression, optimized statistical calculation (similar to Sum/avg/group by), Infobright is based on MySQL, but do not install MySQL can also, Because it its

Relational data Warehouse partitioning strategy in SQL Server (1)

Partitioning a relational data warehouse The following sections will briefly explain the concept of a relational data warehouse, the benefits of partitioning a relational data warehouse, and the benefits of migrating to Microsoft

FOCUSBI: Data Warehouse (original)

Follow the public number: Focusbi See more articles; Add QQ Group: 808774277 Get learning materials and explore issues together.  Business Intelligence Tutorial PDFLink: https://pan.baidu.com/s/1f9VdZUXztwylkOdFLbcmWw Password: 2r4vData Warehouse is the core of decision support system, it is the decision-making process for all levels of enterprise, it provides the strategic, tactical and operational collection of all kinds of

Bank of China Oracle Data Warehouse Solution

China's banking industry in the development process, has gradually accumulated a large number of customer data and operating data. How to use these data to discover valuable information is of general concern to China's banking industry today. The key to solve the problem is to set up the bank's enterprise-level data

The difference between a data warehouse and a database

Data Warehouse is a subject-oriented (Subject oriented), integrated (integrate), relatively stable (non-volatile), data collection that reflects historical changes (time Variant). Used to support management decisions.The so-called (1) topic-oriented: Index data in the warehouse

Concept of data warehouse-PHP Tutorial

Concept of data warehouse. With the intensification of market competition and the development of the information society, it is increasingly important to extract (retrieve, query, and so on) information from a large amount of data to develop market strategies. This requirement requires that, with the intensification of market competition and the development of th

Two types of Data Warehouse construction theory Bill Inmon vs. Ralph Kimball_data

In the field of data warehousing, we often hear some personal or organizational debate about the theory of data warehousing, whether it belongs to Bill Inmon or Ralph Kimball faction. Below we will describe the difference between the two. Bill Inmon Paradigm:The Data Warehouse is part of a holistic business intelligen

Data Warehouse Guide

Data Data Warehouse Learning Experience A Concept 1. Data Warehouse: Refers to the theme-oriented, consistent, different time, stable data collection, to support the management of the decision support process. In a broad sense,

Seven steps to successfully implement a data Warehouse project

Building a data warehouse is not a simple task and should not be done by one person alone. Since data warehousing is best integrated with business practices and information systems technology, a successful data warehouse implementation requires constant coordination of both

Sybase Data Warehouse Dapeng Securities application Case

management gradually realized: to enhance the core competitiveness of brokerage business, we must change the original "Securities trading as the center" mode of operation, the introduction of customer relationship management concept, the implementation of customer relationship management, the establishment of "customer-centric" Brokerage Business Operation mode. By understanding the customer's behavior profile, investment needs, investment trends, risk tolerance, targeted "one-on-one" personali

Experts interpret Microsoft Parallel Data Warehouse

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

What are the difficulties in data Warehouse development?

Recently, a friend asked, data warehouse development difficulties. Do a few years of data warehousing, talk about Data Warehouse Technical Difficulties, I personally think no, what large data query and processing,

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