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Exam C2090-600 All Questions

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Exam C2090-600 topic 1 question 54 discussion

Actual exam question from IBM's C2090-600
Question #: 54
Topic #: 1
[All C2090-600 Questions]

Which command will enable Explicit Hierarchical Locking (EHL) in a DB2 pureScale environment?

  • A. UPDATE DB CFG USING CF_LOCK_SZ AUTOMATIC
  • B. UPDATE DB CFG USING OPT_DIRECT_WRKLD YES
  • C. UPDATE DB CFG USING LOCKLIST 4096 MAXLOCKS 90
  • D. UPDATE DB CFG USING LOCKLIST AUTOMATIC MAXLOCKS AUTOMATIC
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Suggested Answer: C 🗳️
by db2tester at Nov. 20, 2019, 5:32 p.m.

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JamesBond
3 years, 4 months ago
B https://www.ibm.com/docs/en/db2/11.1?topic=performance-explicit-hierarchical-locking-db2-purescale-environments
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db2tester
5 years ago
The correct answer is OPT_DIRECT_WRKLD. This database configuration parameter enables or disables explicit hierarchical locking (EHL). It affects the entire Db2® pureScale® instance. REFERENCE : https://www.ibm.com/support/knowledgecenter/SSEPGG_11.1.0/com.ibm.db2.luw.admin.config.doc/doc/r0061024.html
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