infosphere datastage

volume ~ About 4%. Therefore, enterprises still do not maximize the use of existing data resources, which wastes more time and money and loses the best chance to make key business decisions. Therefore, how enterprises use various technical means and convert data into information and knowledge has become the main bottleneck for improving their core competitiveness. ETL is a major technical means. How to select the ETL tool correctly? How to correctly apply ETL? Currently, typical ETL tools inclu

ETL (Extract-transform-load, extract, transform, load), data warehousing technology, is used to process the data from the source (previously done projects) through the extraction, transformation, loading to reach the destination (the project is doing). That is, the new project needs to use the data from the previous project database, ETL is to solve this problem. ETL to achieve common points of attention: correctness, integrity, consistency, completeness, effectiveness, timeliness, accessibility

table selection window. Select the database to be imported and the corresponding table, and click OK to start importing data from MySql. An error occurred during the import process. I started to download and install the 64-bit ODBC driver in step 1. The result is always in step 3, with an error reported. SQLSTATE=IM002[Microsoft] [ODBC driver manager does not find the data source name and does not specify the Default Driver I couldn't find the error after searching on the internet, and I could

When using datastage for development, the following error occurs: SQL * loader-951: Error calling once/load Initialization ORA-00604: Error occured at recursive SQL Level 1 ORA-00054: Resource busy and acquire with Nowait specified Move out of Google: It may be because the index in the table is in the unusable state --> leading to the index unusable: duplicate keys on unique constraint column. Solution: skip_index_maintenance or rebuild Index I

multiply. This data contains great commercial value, and enterprises generally only focus on the total data volume.2% ~ About 4%. Therefore, enterprises still do not maximize the use of existing data resources, which wastes more time and money and loses the best chance to make key business decisions. Therefore, how can enterprises accessUsing various technical means and converting data into information and knowledge has become the main bottleneck for improving its core competitiveness. ETL is a

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model design, and ETL rules design and implementation is the most workload, accounting for the whole project 60%~80%, which is the general consensus from many practices at home and abroad.At present, the typical representative of ETL tools are: Microsoft SSIS (replace the original DTS), Informatica, Datastage, Oracle OWB and ODI, in addition, Sun also has a complete set of ETL tools. Open source tools have eclips ETL plugins.The quality problems of E

Sub-query , and returns the missing fields obtained by other means, guaranteeing the integrity of the field. 7 , establish ETL process of the master FOREIGN Key constraints: Non-dependent illegal data can be replaced or exported to the error data file, to ensure that the primary key unique record loading. and,Kettle is one of the tools, and others:Informatica, DATASTAGE,OWB, Microsoft's DTS and so on. OK, here's a brief talk about kettle. kettle

In Linux, configure rsh access without a password-Linux Enterprise Application-Linux server application information. The following is a detailed description. There are multiple methods to configure rsh without a password. For example, you can configure/etc/hosts. equiv or generate a. rhosts file for each user. During configuration, it is usually written into a allowed remote computer name (of course, the corresponding IP Address should exist in/etc/hosts). The computer name should be the same as

forward a complete management mode; They provide only the management of specific local meta data. The main data-related tools in the current market are shown in the following figure: As shown in the figure, the data warehouse tools related to metadata can be roughly divided into four categories: 1. Data extraction tools; The data in the business system is extracted, transformed and integrated into the data warehouse, such as Ardent DataStage, Pentah

historical data in DW for medium and long-term planning Can solve the enterprise's Cosco decision-making needs Inability to meet real-time enterprise monitoring and real-time business needs Iv. Common Terminology ETL (Extract Transform Load) such as IBM Datastage, Informatic PowerCenter DM (data Mart) market A data mart can also be called a "small Data warehouse." If the Data warehouse is built on an

ETL Tools: IBM Datastage Informatica PowerCenter Teradata ETL Automation OLAP (On-line Analytical Processing) Microsoft related products: SSAS Olap--rolap--molap Related (to find): OLAP (On-line analysis processing) is a kind of software technology that enables analysts, managers, or executives to access information quickly, consistently and interactively from multiple perspectives to gain a deeper understanding of the data. The goal of OLAP i

the traditional database, and the IQ of the use of resources and traditional databases, IQ mainly improve the efficiency of the CPU, but not rely on the improvement of I/O performance; From the view of concurrent operation, IQ has a better ability to satisfy the complicated query under the condition of large user concurrency, and it is slow to reduce the query efficiency under multi-user concurrency. Traffic bank based on IQ in the test showed: excellent data compression ratio, high-performanc

You can use the SPL Streams Debugger in Infosphere®streams Studio to help you debug your SPL applications.First, additional software xterm is required,Install via sudo yum install xtermAbout this taskthe SPL compiler provides a command-line debugger (SDB) to the help you debug your SPL applications. The debugger is automatically launched in xterm Windows if the application are compiled with the debug option (-g). Streams Studio provides support for la