what is the look up transformation?
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Answer / ashis
Add to sweta's answer:
We use lookup transformation to lookup data from a
relational table, view, synonym or flatfile against another
or the same table, view, synonym or flatfile.
This is mainly(not only)used for SCD's. So that the value
in the source can be compared with the existing target.
Lookup transformation are of different types named and
unnamed.
Mostly used lookup transformation types are Connected lookup
(Persistent Lookup, Dynamic lookup, Cached lookup, Uncached
lookup)
Is This Answer Correct ? | 7 Yes | 2 No |
Answer / swetha
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 the lookup
transformation port values to lookup table column values
based on the look up condition.
Is This Answer Correct ? | 1 Yes | 1 No |
how do u move the code from development to production?
What is diff joiner and lookup
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What are the data movement modes in informatcia?
Consider a Phone Log table as below. It records all phone numbers that we dial in a given day. SOURCE_PHONE_NUMBER DESTINATION_PHONE_NUMBER CALL_START_DATETIME 1234 4567 01/07/2011 10:00 1234 2345 01/07/2011 11:00 1234 3456 01/07/2011 12:00 1234 3456 01/07/2011 13:00 1234 4567 01/07/2011 15:00 1222 7890 01/07/2011 10:00 1222 7680 01/07/2011 12:00 1222 2345 01/07/2011 13:00 Please provide an SQL query to display the source_phone_number and a flag where the flag needs to be set to Y if first called number and last called number are the same and N if the first called number and last called number are different. Desired Output: Source Number Is_Match 1222 N 1234 Y
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1 Answers Ameri Group, CGI, CTS, HCL, iGate, TCS, Wipro,