unstructured data warehouse

July 31, 2006, Oracle and Hewlett-Packard jointly announced that both sides have jointly developed a "reference match" to help it to accelerate the deployment of data warehouses based on HP server and storage platforms, Oracle (r) database 10g software. The development of this set of "reference matching", can help customers from the outset to obtain their required database, server and storage of the best combination of resources. These types of matc

Before you start spraying this topic, let's take a look at the official definition of the Data warehouse:数据仓库(Data Warehouse)是一个面向主题的(Subject Oriented)、集成的(Integrate)、相对稳定的(Non-Volatile)、反映历史变化(Time Variant)的数据集合，用于支持管理决策。以上是数据仓库的官方定义。"Operational database" such as the Bank accounting system database, every business op

Several standards in the data warehouse 1. Database naming rulesAll Database programmers in a project team should abide by the unified database naming rules ". In appendix B of this book, we provide an "database naming convention" instance for your reference.2. database design paradigmWhen designing relational databases, you must follow certain rules. In particular, the database design paradigm. Next we w

In the data warehouse project, ETL is undoubtedly the most tedious, time-consuming, and unstable. If the data source and target are both Oracle and meet certain conditions, you can use the oracle tablespace to improve ETL efficiency.To use a tablespace, the following conditions must be met:The source and target databases must both be larger than 8i;Ø for versions

'/home/centos/customers.txt ' into table t2;//upload to hive table from local file, local is uploading file,Copying tables$mysql >create Table TT as SELECT * from users; Copy tables, carry data and table structure$mysql >create table TT like users; Copy table, carry only table structure, without datahive>create table tt as select * from users;hive>create table tt like users ;hive>select count(*) from users; //这个需要转成mr进行处理，count(*) 查询要转成mr查询hive>s

Impala Catalog Server Cdh2 Impala Daemon Cdh1 Cdh3 Cdh4 Impala Statestore Cdh2 Oozie Oozie Server Cdh2 Sqoop 2 Sqoop 2 Server Cdh2 YARN Jobhistory Server Cdh2 NodeManager Cdh1 Cdh3 Cdh4 ResourceManager Cdh2 CDH's official Installation documentation URL address is:Http://www.c

A Introduced Some "super users" with access to data have learned professional Transact-SQL. The convenience of the Report Builder in SQL Server 2005 Report Services (SSRS) extends to the creation of powerful Transact-SQL queries, making it easier for more users to use it. Their ability to consume system resources is beyond their capabilities, posing a challenge to the database administrator (DBA) in maintaining consistent performance. However, when S

EndorsementWith the advent of big data, often hear the relevant vocabulary, dimensions, indicators, BI, PV, UV, and so on, if you do not know what the meaning, embarrassed to come out mixed, today I tidied up these words, can let everyone quickly into the relevant topics.DwDW is the abbreviation for Data Warehouse, which is the database

Lesson 5: Use Database Access(Data Warehouse access) Parts The ASP database access group uses ActiveX Data Objects (ADO) to provide a simple and easy-to-use method, information stored in the data warehouse or in the data

Three types of DW application.DW is the basis of these applications.1.Information processingThe information can be processed by means of Querying,basic statiscal analysis,reporting using crosstabs,charts or graphs.2.OLAPThe data can be analysed by means of basic OLAP operations,including Slice,dice,drill down/upn and pivoting.Need to is compared with OLTP.3.DM (Data Mining)By finding the hidden patterns and

------------------------------ ---------- P1 8320 P10 8624 P2 12112 P3 11856 P4 8800 P5 7904 P6 8256 P7 8016 P8 8272 P9 7840 PMAX 256 11 rows selected. Use Quick refresh to refresh the materialized view ACC_VIEW. execute dbms_mview.refresh('ACC_VIEW','F') The 'F' parameter indicates a quick refresh. But if the table does not have music video logs, does it work? After refresh, check the segment statistics of ACCOUNTS again. The result is as follows: SUBOBJECT_N

system does not contain student information, as shown in the system database model: The student status management system is built and managed by the student office. The database stores basic information such as the student's degree, graduation destination, and family status, and stores the student's exam scores for each semester. Because the system focuses on students, there is no instructor information, as shown in the system database model: Because different systems are built and managed

SAP smp-a neglected SAP data warehouse (This is the first blog published by Xu Kun.Http://blog.xukun.com/) It is often heard on various occasions, or even complained by customers in person.SAPBefore providingTechnical materialsIt's too tricky.N + nAfter that, I finally thought it would be more appropriate to write it down.J I declare in advance that this article is intendedSAPUsers or partners. F

The previous article says Service Manger Management Server deployment process, the following will continue to introduce SCSM R2 another component Data Warehouse server deployment process 1, on the Service Manager installation media, double-click the "Setup.exe" file. 2. On the Service Manager installation media, double-click the "Setup.exe" file. 2. On the Product registration page, type the information

According to the author's experience in the Data Warehouse ETL internship in Teradata and Main Street network, we can understand the relationship and difference between them in architecture design. Teradata is generally the enterprise-class data Warehouse, in the Teradata Data