Question.1 What will happen if you are using Update Strategy Transformation and your session is configured for “insert”? Answer: If U using a update strategy in any of UR mapping ,then in session properties U have to set treat source rows as Data Driven ,if U select insert or update..
Question.1 The architectural difference between INFORMATICA 6.1 and 7.1 Answer: Few differences or the enhancements in 7.1, which I have noticed are VERSIONING in 7.1, Recovery, Can looking flat files. Question.2 Can U tell how normalize works with an example? Answer: Normalization is used to transform non tabular data structure..
Question.1 Can you use mapping without source qualifier? Answer: Not possible, If source RDEMS/DBMS/Flat file use SQ or use normalizer if the source cobol feed. Question 2.When do you use a normalizer? Answer: Normalized can be used in Relational to denormilize data. [sociallocker] Question.3 What are stored procedure transformations. Purpose..
Question.1 What are the different uses of a repository manager? Answer: Repository manager used to create repository which contains metadata the informatica uses to transform data to from source to target. And also it use to create informatica user’s and folders and copy, backup and restore tie repository . Question.2..
Question.1 What are the components of Informatica? And what is the purpose of each? Answer: Informatica Designer, Server Manager & Repository Manager. Designer for Creating Source & Target definitions, Creating Mapplets and Mappings etc. Server Manager for creating sessions & batches, Scheduling the sessions & batches, Monitoring the trig jered..
Question.1 What is a Data Warehouse? Answer: A Data Warehouse is a collection of data marts representing historical data from different operational data source (OLTP). The data from these OLTP are structured and optimized for querying and data analysis in a Data Warehouse. Question.2 What is a Data mart? Answer: ..
Question.1 What is Data warehouse? Answer: According to Bill Inmon, known as father of Data warehousing. “A Data warehouse is a subject oriented, integrated ,time variant, non volatile collection of data in support of management’s decision making process”. Question.2 What are the types of data warehouses? Answer: There are three..