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Exam 1z0-338 All Questions

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Exam 1z0-338 topic 1 question 30 discussion

Actual exam question from Oracle's 1z0-338
Question #: 30
Topic #: 1
[All 1z0-338 Questions]

Which statement is true about Hybrid Columnar Compression (HCC)?

  • A. HCC is a good choice for LOBs, BLOBs, and CLOBs.
  • B. HCC data resides compressed in flash.
  • C. HCC being a database feature will work with all types of storage hardware.
  • D. HCC is best suited for OLTP type databases with a large number of ongoing transactions.
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Suggested Answer: C 🗳️
Reference -
https://www.dewpoint.com/sites/default/files/images/Dewpoint%20White%20Paper%20-%20Hybrid%20Columnar%20Compression%20HCC%
20Jan2013.pdf
by J3M at Feb. 1, 2019, 1:40 p.m.

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PaoloBL
3 years, 11 months ago
B also for me: https://www.oracle.com/technetwork/database/exadata/ehcc-twp-131254.pdf says "Note that data remains compressed not only on disk, but also remains compressed in the Exadata Smart Flash Cache". While Hcc is best suited for relational data
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babyk
4 years, 1 month ago
A - HCC is very good for image and large data B - not compressed in flash, can be also on disk C - only Exadata
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J3M
5 years, 10 months ago
HCC dont work on all storages, on X6 it also resides on flash and disk, so B is the correct anwser
upvoted 1 times
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