Ab Initio Tutorials and Examples and Interview Questions,Ab Initio Components Explanation,

sort component use before this components in ab initio

Some components required presorted data because they group adjacent records by a common key.if your data is not sorted,use the sort component before any of the following components:
this is also increase performance tuning in ab initio.
  • Aggregate

  • Merge

  • Dedup sorted

  • Denormalize or accumulate

  • Match Merge

  • Merge Join

  • Rollup

  • Scan

  • if you use sort before this components data process increases this is also performance tuning tip in ab initio.

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