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Sorter transformation
If i enable select distince property in sorter transformation, on what basis the sorter tranformation removes the duplicate data
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What are Target Options on the Servers?
Target Options for File Target type are FTP File, Loader and MQ.
There are no target options for ERP target type
Target Options for Relational are Insert, Update (as Update), Update (as Insert), Update (else Insert), Delete, and Truncate Table. -
What r the mapping paramaters and maping variables?
Maping parameter represents a constant value that U can define before running a session.A mapping parameter retains the same value throughout the entire session. When u use the maping parameter ,U declare and use the parameter in a maping or maplet.Then define the value of parameter in a parameter file for the session. Unlike a mapping parameter,a maping variable represents a value that can change...
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Can u use the maping parameters or variables created in one maping into any other reusable transformation?
Yes.Because reusable tranformation is not contained with any maplet or maping.
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What r the joiner caches?
When a Joiner transformation occurs in a session, the Informatica Server reads all the records from the master source and builds index and data caches based on the master rows. After building the caches, the Joiner transformation reads records from the detail source and perform joins.
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What r the basic needs to join two sources in a source qualifier?
Two sources should have primary and Foreign key relation ships. Two sources should have matching data types.
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What r two types of processes that informatica runs the session?
Load manager Process: Starts the session, creates the DTM process, and sends post-session email when the session completes. The DTM process. Creates threads to initialize the session, read, write, and transform data, and handle pre- and post-session operations.
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Can u generate reports in Informatcia?
Yes. By using Metadata reporter we can generate reports in informatica.
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What is DTM process?
After the loadmanger performs validations for session,it creates the DTM process.DTM is to create and manage the threads that carry out the session tasks.I creates the master thread.Master thread creates and manges all the other threads.
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Can u start a session inside a batch idividually?
We can start our required session only in case of sequential batch.in case of concurrent batch we cant do like this.
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How can u stop a batch?
By using server manager or pmcmd.
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What r the session parameters?
Session parameters r like maping parameters,represent values U might want to change between sessions such as database connections or source files. Server manager also allows U to create userdefined session parameters.Following r user defined session parameters. Database connections Source file names: use this parameter when u want to change the name or location of session source file between session...
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What is tracing level and what are the types of tracing level?
Tracing level represents the amount of information that informatcia server writes in a log file. Types of tracing level Normal Verbose Verbose init Verbose data
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Informatica Interview Questions
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