what is the difference between a session and a task?
Latest Answer: Seesions : Set of instructions to run a mappingTask: session is type of task. other than that informatica several type of task like Assignment,Command,Control,Decision,Email,Event-Raise,Event-Wait,Timer,session ...
What is the practical use of a union transformation?
Latest Answer: That was the description....practical use would be like : if you have 3 different sources which returns different number of records but with the same ports and datatypes, union transformation can be used to sum up these records and proceed to the next ...
What is the file extension and format of the files for the Informatica objects like Mappings, sessions etc in the repository ?
Latest Answer: They are stored in xml ...
What are Meta Data Extenstions used in an informatica mapping? What is the significance,usage and how informatica handles them?
In case of use of dynamic lookup cache in a lookup transformation, the lookup cache gets updated first and then the target table. What happens if the target table rejects a row after it is updated in the Cache?
Latest Answer: target update override it is also like souce qualifier override,target update override is use ful to update the target with out using the update strategy transformation. ...
Latest Answer: The Objects stored in the shared folder can be shared by the global users.I mean we can restrict one user not to access the contents of the folder by the priviliges of the folder. ...
Latest Answer: Tracing level in the case of informatica specifies the level of detail of information that can be recorded in the session log file while executing the workflow.4 types of tracing levels supported1.Normal: It specifies the initialization and status information ...
When we are having data in the target table and there are no primary key or foreign key mentioned in the target table then how will you update as well as insert the data?
Latest Answer: Lookup override can be used to get some specific records(using filters in where clause) from the lookup table. Adavantages are that the whole table need not be looked up.. ...
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