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Oracle

1Z0-083 · Question #94

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.)

The correct answer is D. the physical data model E. the configuration of storage arrays. What is Oracle data model? The Physical Data Model of the Oracle Communications Data Model is the physical manifestation of the logical data model into database tables and relationships (or foreign key constraints). Partitions, indexes, and Materialized Views have been added to…

Manage Database Performance

Question

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.)

Options

  • Adefining primary keys for all tables to speed up all queries
  • Busing check constraints to speed up updates
  • Cdefining foreign keys for all tables to speed up joins
  • Dthe physical data model
  • Ethe configuration of storage arrays

How the community answered

(29 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    14% (4)
  • D
    79% (23)

Explanation

What is Oracle data model? The Physical Data Model of the Oracle Communications Data Model is the physical manifestation of the logical data model into database tables and relationships (or foreign key constraints). Partitions, indexes, and Materialized Views have been added to aid performance.

Topics

#physical data model#storage arrays#performance planning#database design

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