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Recent Questions

  • Which transformation should we use to normalize the COBOL and relational sources? view answer
  • Difference between static cache and dynamic cache? view answer
  • What are the join types in joiner transformation? view answer
  • In which condtions we can not use joiner transformation(Limitaions of joiner transformation)? view answer
  • What is the look up transformation? view answer
  • What are the diffrence between joiner transformation and source qualifier transformation? view answer
  • Why use the lookup transformation? view answer
  • How can you improve session performance in aggregator transformation? view answer
  • Can you use the maping parameters or variables created in one maping into any other reusable transformation? view answer
  • What is meant by lookup caches? view answer
  • What is source qualifier transformation? view answer
  • How the informatica server increases the session performance through partitioning the source? view answer
  • What are the settiings that you use to cofigure the joiner transformation? view answer
  • What are the rank caches? view answer
  • What is Code Page Compatibility? view answer
  • How can you create or import flat file definition in to the warehouse designer? view answer
  • What is aggregate cache in aggregator transforamtion? view answer
  • How can you recognise whether or not the newly added rows in the source are gets insert in the target? view answer
  • What are the types of lookup? view answer
  • What are the types of metadata that stores in repository? view answer
  • What happens if Informatica server doesn't find the session parameter in the parameter file? view answer
  • Can you access a repository created in previous version of informatica? view answer
  • Without using ETL tool can u prepare a Data Warehouse and maintain? view answer
  • How do you identify the changed records in operational data? view answer
  • Why couldn't u go for Snowflake schema? view answer
  • Name some measures in your fact table? view answer
  • How many dimension tables did you had in your project and name some dimensions (columns)? view answer
  • How many Fact and Dimension tables are there in your project? view answer
  • How many Data marts are there in your project? view answer
  • What is the daily data volume (in GB/records)? What is the size of the data extracted in the extraction process? view answer
  • What is the size of the database in your project? view answer
  • What is meant by clustering? view answer
  • Whether are not the session can be considered to have a heterogeneous target is determined? view answer
  • Under what circumstance can a target definition are edited from the mapping designer. Within the mapping where that target definition is being used? view answer
  • Can a source qualifier be used to perform a outer join when joining 2 database? view answer
  • If u r source is flat file with delimited operator.when next time u want change that delimited operator where u can make? view answer
  • If index cache file capacity is 2MB and datacache is 1 MB. If you enter the data of capacity for index is 3 MB and data is 2 MB. What will happen? view answer
  • Difference between next value and current value ports in sequence generator? view answer
  • How does dynamic cache handle the duplicates rows? view answer
  • How will u find whether your mapping is correct or not without connecting session? view answer
  • If you are using aggregator transformation in your mapping at that time your source contain dimension or fact? view answer
  • My input is oracle and my target is flat file shall I load it? How? view answer
  • for a session, can I use 3 mappings? view answer
  • Type of loading procedures? view answer
  • Are you involved in high level r low level design? What is meant by that high level design n low level design? view answer
  • what r the dimension load methods? view answer
  • where we are using lkp b/n source to stage or stage to target? view answer
  • How will you do SQL tuning? view answer
  • did u use any other tools for scheduling purpose other than workflow manager or pmcmd? view answer
  • What is SQL mass updating? view answer
  • what is unbounded exception in source qualifier? view answer
  • Using unconnected lookup how we you remove nulls n duplicates? view answer
  • I have 20 lookup, 10 joiners, 1 normalizer how will you improve the session performance? view answer
  • What is version controlling? view answer
  • How is the Sequence Generator transformation different from other transformations? view answer
  • What are the advantages of Sequence generator? Is it necessary, if so why? view answer
  • What are the uses of a Sequence Generator transformation? view answer
  • What is Sequence Generator Transformation? view answer
  • What is the difference between connected lookup and unconnected lookup? view answer
  • What are connected and unconnected Lookup transformations? view answer
  • What is a Lookup transformation and what are its uses? view answer
  • What is a lookup table? view answer
  • Where do you define update strategy? view answer
  • What is Update Strategy? view answer
  • What are the different types of Transformations? view answer
  • What is a transformation? view answer
  • What are the tools provided by Designer? view answer
  • What are the different types of Commit intervals? view answer
  • What is Event-Based Scheduling? view answer
  • I have the Administer Repository Privilege, but I cannot access a repository using the Repository Manager. view answer
  • My privileges indicate I should be able to edit objects in the repository, but I cannot edit any metadata. view answer
  • How does read permission affect the use of the command line program, pmcmd? view answer
  • I do not want a user group to create or edit sessions and batches, but I need them to access the Server Manager to stop the Informatica Server. view answer
  • I created a new group and removed the Browse Repository privilege from the group. Why does every user in the group still have that privilege? view answer
  • After creating users and user groups, and granting different sets of privileges, I find that none of the repository users can perform certain tasks, even the Administrator. view answer
  • What are the different types of locks? view answer
  • What is Local Repository? view answer
  • What is a Global repository? view answer
  • When should you create the dynamic data store? Do you need a DDS at all? view answer
  • What is Dynamic Data Store? view answer
  • What are Target definitions? view answer
  • What are Source definitions? view answer
  • What are Shortcuts? view answer
  • What are Sessions and Batches? view answer
  • What are Reusable transformations? view answer
  • What are Transformations? view answer
  • What are mapplets? view answer
  • What are mappings? view answer
  • What are folders? view answer
  • What is a metadata? view answer
  • What are different kinds of repository objects? And what it will contain? view answer
  • What are different kinds of repository objects? And what it will contain? view answer
  • What is a repository? view answer
  • What are the new features and enhancements in PowerCenter 5.1? view answer
  • What is the difference between PowerCenter and PowerMart? view answer
  • Why do we need SQL overrides in Lookup transformations? view answer
  • What is session? view answer
  • What is workflow? view answer
  • What is worklet? view answer
  • Which ETL tool is more preferable Informatica or Data Stage and why? view answer
  • What is a mapplet? view answer
  • What is the use of auxiliary mapping? view answer
  • What is authenticator? view answer
  • How do we create primary key only on odd numbers? view answer
  • What is the difference between source qualifier transformation and application source qualifier transformation? view answer
  • What are the types of loading in Informatica? view answer
  • What is the use of control break statements? view answer
  • What is the difference between active transformation and passive transformation? view answer
  • What are the various types of transformation? view answer
  • What is the use of tracing levels in transformation? view answer
  • What is the difference between a Database and a Datawarehouse? view answer
  • What are the different types of OLAP TECHNOLOGY? view answer
  • What is Data Modeling? What are the different types of Data Modeling? view answer
  • What is the need of building a data warehouse? view answer
  • What is drill-down and drill-up? view answer
  • What is cube? view answer
  • 1. What is a Data warehouse? view answer

!!! Informatica Frequently Asked Questions !!!

What is a repository?

SCJP 1.5/1.6 Exam Kit

!!!Answer!!!- From Technical Expert

The Informatica repository is a relational database that stores information, or metadata, used by the Informatica Server and Client tools. The repository also stores administrative information such as usernames and passwords, permissions and privileges, and product version.
We create and maintain the repository with the Repository Manager client tool. With the Repository Manager, we can also create folders to organize metadata and groups to organize users.

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