tableau olap

Overview One of the most flexible controls in our library is the grid control. viblend DataGrid for Silverlight is the first fully functional OLAP grid for Silverlight. it brings together the features of traditional data grid controls, hierarchical grids and Excel-like tables. viblend DataGrid for Silverlight supports both data bindings and complete Unbound mode. you can visualize a database table, bind to a generic collectionor populate the grid's

average salary of all employees without changing the query results of the preceding statement. What should I do? It is difficult to query using common SQL statements, but using OLAP functions is very simple, as shown in the following SQL: Select Row_number () over () as serial number, Row_number () over (partition by dept order by salary) as department number, Name as name, Dept as department, Salary as salary, AVG (salary) over (partition by

I have some experiences in using Oracle OLAP recently. Take a note: Oracle data warehouse has many implementation methods. I know two methods: One is ROLAP, which is based on fact table and dimension table. These tables are based on relational Tables, that is, general partition tables. Based on these partition tables, materialized view and partition are added, the statistical information and detail information of summary are provided. The report deve

OLTP: on-line transaction processing online transaction processing system, also known as a transaction-oriented processing system. Its basic feature is that customers' raw data can be immediately transmitted to the Computing Center for processing, the processing result is provided in a short time. OLAP: On-lineanalyticalprocessing online analysis and processing system. The data converted from the raw data that truly understands the user and truly ref

JPivot is the taglib of Mondrian's performance layer and has maintained good development progress. has been a long time no use, while completely forget before, the small experience to write down. 1. Chinese 1.1 Find all resources.properties files, Han to resources_zh.properties file 1.2 native2ascii resources_zh.properties Resources_ Zh.properties 1.3 To find all the XML files under Web-inf/jpivot, Han into Xxx_zh.xml 2. The architecture JPivot architecture looks different, but in fact it is a

Kylin is a set of OLAP systems developed by ebay, and unlike Mondrian, it is a MOLAP system that is primarily used to support data analytics businesses in the big data ecosystem, It mainly uses the Precomputed method to cache the user-defined multidimensional cubes into hbase (HBase is currently only supported), which is used for both Mondrian and Kylin, and finds that the two systems are a trade-off between time and space, Mondrian is a ROLAP system

A few months ago, I stumbled across an Excel plugin Smartpivot for the analysis of SSAS OLAP data, which is a very useful feature, and if your BI solution is using SSAS, then look at this stuff and be sure to have a lot of inspiration for you if your bi The report client uses Excel, so this is simply a must-have tool in the home, in recent months I have used piecemeal time to imitate and improve some of the basic functions, and according to specific p

Recently, I was engaged in a small project related to OLAP, of course, in the Web architecture. I used Dundas controls that are commonly used in the aspect of display. In VS 2005Developed in this section. during development, every browsing is in the integration environment of Vs, and there is no problem in reading Multi-Dimensional Datasets every time.But when I want to generate a website and run it on the IIS server, a problem occurs: I couldn't fig

Oracle was originally designed to be transaction-based, so it won't be authentic in terms of processing analyticdb. Recent developments in Oracle-related technologies have gradually adapted to OLAP needs. 1 partition technology 2 compression technology 3 index organization Table 4 blocks 5 parallel technology 6 memory result set. The original Oracle design is based on a short and sophisticated large-scale concurrent transaction. with this, Oracle occu

The analysis of the tableau's own DLL, which is not difficult to judge from its loaded Qt library, is developed using QT. Therefore, it has the function of easy transplanting. See the Internet has a public SDK, so download to see, but very

The project was completed years ago, and there are a lot of small questions to look back at. It's a little messy. or from the need to talk about.First, the demand for each industry is different. Difficult to unify. In general, these are the areas1.

After the Oracle database has been upgraded to 11 GB recently, some problems have occurred. I began to find some things that need to be summarized. Every time I thought: next time, when I build my own data warehouse, be sure to pay attention to

Methods for accessing data mining databases on other machines through the network:Perform the following configuration on the data mining database machine:1. Install xmlasdk. MSI. (Download from Microsoft website)2. Set the directory under the

OLAPThe basic multidimensional analysis operations include drilling (drill-up and drill-down), slice, dice, and rotation. Drilling:Is to change the level of the dimension and the granularity of the analysis. It includes drill-down and drill-up/roll-

Ods-bi in the construction of ETL to occupy 1/3 of the time, deep feelings. The modeling of BI, from the physical data layer, the logical data layer, the business logic layer at all levels, there are many automated tools to handle.However, the

Many bugs of previous versions have been modified in this version. The chart part uses the latest version 2.0.4 of visifire to solve the problem of chart switching. You can select only one dimension for query. Some modifications were made on the

Using the current banking network system and data, the system mainly implements the following functions: (1) Bank Card Management Information System A. Customer Information Management: analyzes and manages the information, transactions, account

proposed in 1996. At that time, business intelligence was defined as a kind of technology and its application, which consisted of data Warehouse (or data mart), query report, data analysis, data mining, data backup and recovery, to help enterprise decision-making. The data may come from business systems such as CRM and SCM. Business intelligence can assist in business operation decisions, either as an operational layer or as a tactical and strategic layer. To turn data into knowledge, you need

problems and analyze the causes. Tableau Tableau is the most powerful visualization tool, which is beyond doubt. Tableau provides a wide range of visual charts with unique features, allowing you to update dashboard and dynamic data. Similar to tableau, which is a self-help analysis tool, it is easy to learn. If the En

Kylin is an open source, distributed OLAP Analysis engine that provides SQL interfaces and OLAP interfaces based on Hadoop to support terabytes-to-PB data volumes. Kylin environment before the installation, need to install Jdk,mysql,tomcat,hadoop,hbase,hive,zookeeper and other software. Because we use Ambari to manage the cluster, these work has been done, only a brief introduction of Kylin environment cons