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GeekInterview.com > Interview Questions > Data Warehousing > DataStage
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Question: What is Hash file stage and what is it used for?
Answer: Used for Look-ups. It is like a reference table. It is also used in-place of ODBC, OCI tables for better performance. |
| March 03, 2006 01:07:26 |
#1 |
| RamaPrasad Batchu |
Member Since: Visitor Total Comments: N/A |
RE: What is Hash file stage and what is it used for?&n...
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| We can also use the Hash File stage to avoid / remove dupilcate rowsby specifying the hash key on a particular fileld |
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