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I. DataCubeIt is defined by dimensions and facts. A dimension is a perspective or entity that an organization wants to save records. One or a group of attributes in the corresponding dimension mode. This mode should be a fact table (central table ). Each dimension has a table associated with it, which is called a dimension table. It further represents the dimension. Dimension tables can be set by users or experts, or automatically generated and adjusted based on
Tags: des style blog http io ar color OS useBefore you start, say the online, most of the blog about this aspect or something else, on my own feelings, the first is not detailed, the second language can not be very good for beginners to understand.The title of my blog is used three sentences, is to facilitate other people to find good;What is the use of the method described here? Using it, you can refresh the page without flash, and get the data feedb
The page $ _ POST cannot accept post data, but uses get to submit. $ _ GET can be connected to html: Myform Php: Transform If (isset ($ _ GET ['hoby']) { Echo $ _ GET ['hoby']; } ?> This is the code I just wrote, submitted using the get method, and then the php section can be connected to data with $ _ GET, However, once the submission method is changed
Why the JavaScript eval function, when parsing JSON data, is prefixed with parentheses. Why do I have to eval here to add "(" ("+data+")); The reason is that eval itself is a problem. Since JSON starts and ends with "{}", in JS it is treated as a block of statements, so it must be coerced into an expression. The purpose of parentheses is to force the Eval function to force an expression in parenth
PHP IE8 can get data when reading the database, Chrome, 360, FF and other browsers can't get the data
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
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
Introduction:The main content of this article is not to introduce some data models of the existing popular main industries, but to share some of my experiences in data warehouse construction projects. We hope to help you summarize a set of methods that meet the current industry standards and meet the data warehouse construction standards in most industries during
Sqlserve Data Type Details, sqlserve Data Type Decimal exact numeric typeThe decimal data type can be used to store the fixed precision and range of numeric data of 38 power-1 to 10 from-10. When using this data type, you must specify the range and precision. The range is t
Document directory Read Write Notification Identify This article has been first published on the infoq Chinese site and is copyrighted. The original Article is "dojo data store-Unified Data access interface". If you need to reprint it, please attach this statement. Thank you.Infoq Chinese site is an online independent community for mid-and high-end technical personnel ,. net, Ruby, SOA, agility, ar
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
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 ProcessingIt is also known as a transaction-oriented processing system. Its basic feature is that the customer's raw data
Discussion on data modeling methods in data warehouse construction The main content of this article is not to introduce some data models of the existing popular main industries, but to share some of my experiences in data warehouse c
The MariaDB database management system is a branch of MySQL. It is mainly maintained by the open-source community and licensed by GPL. One of the reasons for developing this branch is that Oracle has the potential risk of shutting down the source of MySQL after purchasing MySQL. Therefore, the community uses the branch method to avoid this risk. Data is no longer important to us. How can we ensure the security of
Original:http://highlyscalable.wordpress.com/2013/08/20/in-stream-big-data-processing/Ilya KatsovFor quite some time since. The big data community has generally recognized the inadequacy of batch data processing.Very many applications have an urgent need for real-time query and streaming processing. In recent years, driven by this concept. Has spawned a series of
Data (Computer storage, organization data mode) The data structure is the way that the computer stores and organizes it. A data structure is a collection of elements that have one or more specific relationships to each other. Typically, a well-chosen data
When big data talks about this, there are a lot of nonsense and useful words. This is far from the implementation of this step. In our previous blog or previous blog, we talked about our position to transfer data from traditional data mining to the Data Platform for processing, saving time and resources. But the proble
Data analysis, the first data, then the analysis, the understanding of data is the premise of data analysis. In the real world, data is generally missing, heterogeneous, and dimensional. To understand data, you need to know not on
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 Wareh
research on high performance data deduplication and detection and deletion technologyHere are some fragmentary data about the re-deletion of things, previously summarized, put on can communicate with you.The explosion of 1 data volumes brings new challenges to the capacity, throughput performance, scalability, reliability, security, maintainability, and Energy ma
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