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What is algorithm in SCD Type2(SAS DI Studio Transformaton)?
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Answer / john
For more SAS DI related info visit
http://www.itinterview-madeeasy.com/2012/05/50-sas-di-interview-questions.html
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / senthilnathan.k
SC-2 Small Changing Dimension, We used for maintaining the
history of records.
ETL(Extraction, Transformation and Loading) the Data marts
called as target table using proc append, which will
appending the records in the target table using md5
algorithms.
Which will create Surrogate key corresponding to each
record.
| Is This Answer Correct ? | 4 Yes | 9 No |
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In Bioinformatics, a DNA sequence is made up of a combination of 4 characters, namely “A,C,G,T”. A subsequence of a given sequence of characters a0, a1, …an- 1, is any subset of the characters taken in order, of the form ai0 , ai1 ,…..aik-1 where 0 ≤ i0 <i1….< ik-1 ≤ n-1. For example in the sequence “A,C,G,T,G,T,C,A,A,A,A,T,C,G”, we can have subsequences “A,G,T”, “A,C,A,A” and many more. A subsequence is palindromic if it is the same whether read left to right or right to left. For instance, the sequence “A,C,G,T,G,T,C,A,A,A,A,T,C,G”, has many palindromic subsequences, including “A,C,G,C,A” and “A,A,A,A” (on the other hand, the subsequence “A,C,T” is not palindromic). Devise an algorithm (using dynamic programming) that takes a sequence of characters X[0 … n-1] from the alphabet set (A,C,G,T) and returns the (length of the) longest palindromic subsequence. Implement the algorithm in an appropriate language.
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