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Message Posted: Mon, 16 Apr 2012 @ 10:31:02 GMT

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Subj:   Re: String extraction in teradata
From:   debojit.pal


I am not exactly sure how efficient the query will be if you have 6 levels of dashes. The substr function uses quite a bit of CPU. You will have to run this once to check. It would also depend on how skewed your table/query is.



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