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Informatica Interview Questions
Questions Answers Views Company eMail

What is the expected value if the column in an aggregator transform is neither a group by nor an aggregate expression?

1 1563

Explain the shared cache and re-cache?

1124

What are the features of complex mapping?

1162

What is a filter transformation and why it is an active one?

971

What is a rank transform?

1092

What is meant by lookup transformation?

1113

What are the new features of informatica 9.x developer?

971

Suppose we configure sorter transformations in the master and detail pipelines with the following sorted ports in order: item_no, item_name, price. When we configure the join condition, what are the guidelines we need to follow to maintain the sort order?

1100

What is mapping debugger?

1022

Mention a few design and development best practices for informatica?

1001

How can we store previous session logs?

1090

What can we do to improve the performance of informatica aggregator transformation?

1097

How an expression transformation differs from aggregator transformation?

1046

Suppose we have a source qualifier transformation that populates two target tables. How do you ensure tgt2 is loaded after tgt1?

1094

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

1138


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Un-Answered Questions { Informatica }

hi real timers . iam waiting for ur reply regarding ETL TESTING

2274


State the differences between sql override and lookup override?

1215


What is the difference between stop and abort in informatica

1099


Does an informatica transformation support only aggregate expressions?

1049


Write the program through which the records can be updated?

1010


What is mapping debugger?

1022


What are the informatica performance improvement tips

1101


What is the meaning of decode in informatica?

1122


I am new to informatica and learning it,can anybody please tell me how we receive source as flat file in informatica,from where we get this flat file?

1774


Define joiner transformation?

1056


How can you increase the performance in joiner transformation?

1195


What is the use of code page?

1099


How to create or import flat file definition in to the warehouse designer?

1072


If the source has duplicate records as id and name columns, values: 1 a, 1 b, 1 c, 2 a, 2 b, the target should be loaded as 1 a+b+c or 1 a||b||c, what transformations should be used for this?

10180


what is persistent lookup cahce?how to use and when to use this persistent lookup cahce?explain?

2325