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