GeekInterview.com
   Home |  Tech FAQ  |   Interview Questions |  Placement Papers |  Tech Articles |  Learn |  Freelance Projects |  Online Testing |  Geeks Talk |  Job Postings |  Knowledge Base | Site Search |  Add/Ask Question

  GeekInterview.com  >  Interview Questions  >  Data Warehousing  >  DataStage

 Print  |  
Question:  Lookup Stage Partitioning

Answer: With a Lookup stage the input stage has 1million records and reference link has 1million records. What is the best Partition method and why?


October 10, 2009 11:11:34 #4
 Kumar Shourav   Member Since: October 2009    Total Comments: 1 

RE: Lookup Stage Partitioning
 

Better to use JOIN or MERGE stage in place of Lookup. If input data is low in compare to reference data then Lookup is recommendable. Assumption is 1:100 or more.

     

 

Back To Question