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Datastage Interview Questions and Answers

Data Warehousing
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16. What is universe stage?
  A stage that extracts data from or loads data into a Universe database using SQL. Used to represent a data source, an aggregation step, or a target data table.
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17. What is dynamic array?
  Dynamic arrays map the structure of DataStage file records to character string data. Any character string can be a dynamic array. A dynamic array is a character string containing elements that are substrings separated by delimiters.
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18. What is the difference between DataStage version 5.2 and 6.0?
  Version 5.2 doesn’t have – IPC Stage ,Link Partition Stage,Link Collector Stage and Parallel Extender.
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19. What are the components of Ascential Data Stage?
  Client Components : Administrator, Director, Manager, and Designer.
Server Components : Repository, Server and Plug–ins.
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20. What are the types of Containers?
  There are two types of containers are :
Local Container
Shared Container
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