Answer Posted / chandu

for maintaing history
for analysing the business etc;

What is xml source qualifier transformation in informatica?

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How we can create indexes after completing the load process?

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How do you handle two sessions in Informatica

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What is the fact table?

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Can we use the mapping parameter or variables developed in one mapping into any other reusable transformation?

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can you please explain me pre session and post session options?

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Tell me can we override a native sql query within informatica? Where do we do it? How do we do it?

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What is the scenario which compels informatica server to reject files?

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What is the use of transformation?

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explain abt ur project architecture?

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Enlist the tasks for which source qualifier transformation is used.

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What is an unconnected transformation?

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Explain pmcmd command usage in informatica

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What is the different lookup cache(s)?

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Hi, I want to change date type char value integer value? I tried alter table tab_name modify (newcolumn newdatetype). But The columns have 10 million values(char type) so I want to load now numeric data. How it is possible? Old Values New Value(I want to load numeric data but the old value should be there in the column) Y 1 N 0 ERROR at line 1: ORA-01439: column to be modified must be empty to change datatype Please help on this. Thanks, GM

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