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Exam C2090-424 All Questions

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Exam C2090-424 topic 1 question 51 discussion

Actual exam question from IBM's C2090-424
Question #: 51
Topic #: 1
[All C2090-424 Questions]

Which Slowly Changing Dimension (SCD) stage statement is TRUE?

  • A. Surrogate keys are used to join a dimension table to a fact table in a normalized schema database
  • B. Each SCD stage processes multiple dimensions and performs lookups by using an equality matching
  • C. Purpose codes are part of the table metadata that the SCD stage propagates to the dimension insert link.
  • D. Actual dimensions changes are applied to the lookup table in memory and are mirrored to the dimension update link
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Suggested Answer: B 🗳️
Reference: https://www-01.ibm.com/support/knowledgecenter/SSZJPZ_11.3.0/com.ibm.swg.im.iis.ds.parjob.dev.doc/topics/ c_parjdev_Slowly_Changing_Dimension_Stage.html
by bolb91bet at Jan. 24, 2021, 9:35 a.m.

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bolb91bet
3 years, 10 months ago
Right answer is D. https://www.ibm.com/support/producthub/ugi/docs/content/SSZJPZ_11.7.0/com.ibm.swg.im.iis.ds.parjob.dev.doc/topics/c_parjdev_Purpose_codes_in_SCD_stages.html
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