The data movement mode depends on whether Informatica Server should process single byte or multi-byte character data. This mode selection can affect the enforcement of code page relationships and code
Latest Answer : the 2 modas areUnicode modeAscii mode ...
Compatibility between code pages is used for accurate data movement when the Informatica Sever runs in the Unicode data movement mode. If the code pages are identical, then there will not be any data
After the load manager performs validations for the session, it creates the DTM process. The DTM process is the second process associated with the session run. The primary purpose of the DTM process is
Latest Answer : Load manager and DTM are the components of Informatica server. Load manager manages the load on the server by maintaining a queue of sessions and release the session based on first come and first serve. When the session is released from the load ...
Session - A Session Is A set of instructions that tells the Informatica Server How And When To Move Data From Sources To Targets. After creating the session, we can use either the server manager or the
Latest Answer : Session is a set of instructions that relates to extraction, transformation and loading. Session is a task that relates to data acquisition.
There are two types of taskReusable taskNon reusable taskBatch :Batch is a group of sessions, There are three ...
COBOL files
Latest Answer : The mainframe files are Used as VSAM files in Informatica by using the Normaliser transformation ...
U can not create or import flat file defintion in to warehouse designer directly.Instead U must analyze the file in source analyzer,then drag it into the warehouse designer.When U drag the flat file source
Latest Answer : While creating flatfiles manually, we drag and drop the structure from SQ if the structure we need is the same as of source, for this we need to check-in the source and then drag and drop it into the Flatfile, if not all the columns in the source will ...
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
Latest Answer : Mapping parameter represents a constant value defined before mapping run.
Mapping reusability can be achieved by using mapping parameters.
Mapping variable represents a value that can be changed during the mapping run.
Mapping variable can be used ...
The aggregator stores data in the aggregate cache until it completes aggregate calculations.When u run a session that uses an aggregator transformation,the informatica server creates index and data caches
Latest Answer : when server runs the session with aggregate transformation ,it stores data in memory until it completes the aggregation when u partition a source ,the server creates one memory cache and one disk cache for each partition .it routes the data from one ...
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,
Latest Answer : For version 7.x and above :When the PowerCenter Server processes a Joiner transformation, it reads rows from both sources concurrently and builds the index and data cache based on the master rows. The PowerCenter Server then performs the join based on ...
Use lookup transformation in u’r mapping to lookup data in a relational table,view,synonym. Informatica server queries the look up table based on the lookup ports in the transformation.It compares
Latest Answer : Lookup transformation in a mapping is used to look up data in a flat file or a relational table, view, or synonym. You can import a lookup definition from any flat file or relational database to which both the PowerCenter Client and Server can connect. ...
