Table of Contents
What does stage mean in data?
A staging area, or landing zone, is an intermediate storage area used for data processing during the extract, transform and load (ETL) process. The data staging area sits between the data source(s) and the data target(s), which are often data warehouses, data marts, or other data repositories.
What is CM process?
The CM process seeks to identify and track individual configuration items (CI), and document their functional capabilities and interdependencies. A CM tool helps a business enforce a desired configuration state for each item and provides timely alerts of any configuration problems.
Which country created configuration management?
the United States Department
History. Configuration Management originated in the United States Department of Defense in the 1950s as a technical management discipline for hardware material items—and it is now a standard practice in virtually every industry.
What are the steps of data staging?
Map the data from its original form into a data model that is suitable for manipulation at the staging area. Validate and clean the data. Apply any transformations to the data that are required before the data sets are loaded into the repository. Map the data from its staging area model to its loading model.
What is staging in database?
A staging database is a user-created PDW database that stores data temporarily while it is loaded into the appliance.
What is process configuration?
Abstract. Product Configuration is the process of generating a product variant from a previously defined product family model and additional product specifications for this variant. The process of fording relevant operations for manufacturing this product and putting these into order is called process planning.
What is staging layer in datawarehouse?
A staging layer provides a closed off area for the loading and processing of source data, and is used as a workspace for subsequently applying transformations including complex calculations, data cleansing, and change data capture, before the data is loaded to the data warehouse for analysis.
What happens in the staging area?
The staging area is mainly used to quickly extract data from its data sources, minimizing the impact of the sources. After data has been loaded into the staging area, the staging area is used to combine data from multiple data sources, transformations, validations, data cleansing.
What is configuration and what’s its importance?
The quality of performance and life of the computer or device depends on its configuration. Most important aspects of a configuration are the speed of the processor, speed and stability provided by the motherboard, speed and size of storage, graphical display and software drivers.
Where wiki contents are stored?
All wiki pages are stored in the /wiki/ directory of your project’s Subversion repository, as files ending in . wiki (other files and subdirectories will be ignored). That means you can use a Subversion client and your favorite text editor to add and edit wiki pages.
What is the DataStage configuration file?
The Datastage configuration file is a master management file (a text file which sits on the server side) for jobs which describes the parallel system resources and design.
What is the configuration file used for?
The configuration file provides hardware configuration for supporting such architectures as SMP (Single machine with multiple CPU , shared memory and disk), Grid , Cluster or MPP (multiple C.P.U, multiple nodes and dedicated memory per node). DataStage understands the architecture of the system through this file.
What is the default configuration file for the server?
There is a default configuration file available whenever the server is installed. The configuration files have extension “.apt”. The hardware configuration from job design. It allows changing hardware and software resources without changing a job design.
How do I configure InfoSphere® DataStage®?
The procedures to configure InfoSphere® DataStage® are the same on Windows and Linux platforms. You can access the InfoSphere DataStage User Interface to configure the settings. Table 1. InfoSphere DataStage Manual Configuration Configuring the default.apt file. For Windows: IBM\\InformationServer\\ Server\\Configurations\\.