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Question
why we use hash file for lookup?
 Question Submitted By :: Meebabu
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  Re: why we use hash file for lookup?
Answer
# 1
Hash file Give Performance
 
Is This Answer Correct ?    0 Yes 0 No
Kiran
 

 
 
 
Other Data Stage Interview Questions
 
  Question Asked @ Answers
 
what r the stages mostly used in realtime scenarios IBM1
what is meta data? Explain? Where it is used?  7
How do y read Sequential file from job control? HP1
How can i approach to write datastage 7.5 Certification? and how much they will charge for examination .What exactly should i do? Can anyone guide me plz?  1
How can you join flat file, oracle as a sources? IBM2
I am defining one varaible parameter date in job parameters.I want use this variable date in where clause in source query. TCS2
Hi This is Vijay How Can u Read the data from sequential file Parall'y? Semantic-Space3
how to clear the source file? 2) diff b/t odbc & Oracle?what is node? 3) explain one complex job u face in ur project Wipro1
what is sparse lookup?  5
when we will use connected Lookup & Unconnected Lookup Wipro1
at source level i have 40 columns,i want only 20 cols at target what r the various ways to get it IBM2
what is datastage job Monitoring CTS2
How did you reconcile source with target? HP2
WHAT ARE THE COMMON ERRORS IN DATA STAGE? ME5
HOW TO INTILIAZE ENVIRONMENT VARIABELS? & WHERE YOU WILL GIVE VALUES FOR THESE VARIABELS?(I MEAN FOR PARAMETERS WE WILL GIVE VALUES BEFORE RUNNING IN RUN WINDOW,THEN WHERE YOU WIL GIVE VALUES TO E.VARAIABELS?) Infosys2
How can we move a DATASTAGE JOB from Development to Testing environment with the help of a datastage job using unix commands.  2
what is the new version in Datastage ? what is the diff b/t New vesion & 7.5 version? Wipro7
What are the different database update actions available? HP1
Hi All, Could you please let me know whether Datastage server and px supports oredb? OREDB:It's a Oracle Retail Embedded Database.Previousely It was called as Acumate data base. It's a multidimensional database. Please help me on this issue ASAP. Thanks in advance Ashok Accenture1
why we use hash file for lookup?  1
 
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