Data staging allows you to stage data needed by a job before the job begins execution and to move data back to archives when a job has finished execution. a) Data warehouse architecture is just an overall guideline. It is not a blueprint for the data warehouse b) Normally, data flows from the data warehouse repository to the data staging area. B. a process to load the data in the data warehouse and to create the necessary indexes. In short, all required data must be available before data can be integrated into the Data Warehouse. 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. Allowing unauthorized personnel into the area can cause injuries. The Data Warehouse Staging Area is temporary location where data from source systems is copied. No reports should be generated from data withheld in the staging area. The inbound step will … Staging area is an intermediate area that sits between data sources and data warehouse/data marts systems. C. a process to upgrade the quality of data after it is moved into a data warehouse. informatica Designer,informatica Repository, informatica Workflow monitor, informatica workflow manager informatica mcq questions. D. a process to upgrade the quality of data before it is moved into a data warehouse. Bottom Line. ETL OLTP OLAP Reverse Engineering Data Modeling 1 Which database does not support user-defined return values? Only ETL processes must be able to read-and-write on the data files from the staging area. A staging area is mainly required in a Data Warehousing Architecture for timing reasons. In the staging, area data is cleansed and checked for any duplication. d) Technical architecture means the vendor tools. Users must not be given access to the staging area. Data in the staging area must be considered a construction site area. A job can use one inbound data staging step and one outbound data staging step. c) Sorts and merges of files are common in the staging area. Self-Revision Multiple Choice Questions Answers in SAP WM #2 ... De-activate the 'addition to stock' indicator in the material master data. Staging area is a central area which is available between the data sources and data warehouse/data marts systems. Reports cannot access data from the staging area.The data-staging area is a work site. d) Create an entry in the storage type search table and add the special stock indicator. It is a place where data is stored temporarily in the process of data integration. Sybase Oracle Informix SQL Server Teradata 3 What is cache? You now need to do some processing on the data like extract, transform, validate, clean ,etc. A. a process to reject data from the data warehouse and to create the necessary indexes. Curious users allowed in the area often misuse the data and reduce the perceived integrity of the data warehouse. We hope that you are now aware of why a staging area is important for optimizing the workflow in the ETL process. Data is often transformed into a star schema prior to loading a data warehouse. Staging areas can be designed to provide many benefits, but the primary motivations for their use are to increase efficiency of ETL processes, ensure data integrity, and support data … This intermediate process is called data staging. Imagine you have collected data from multiple sources. What type of tool is Informatica? And data warehouse/data marts systems unauthorized personnel into the data and reduce the perceived integrity of the sources! Access to the staging area.The data-staging area is important for optimizing the in. Can use one inbound data staging step and one outbound data staging step one! C ) Sorts and merges of files are common in the staging area mainly... 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