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Oracle

1Z0-807 · Question #58

Your company has been using the ACME database vendor for many years. Recently, it started considering a migration to the XYZ database vendor, who uses different SQL dialed. The SQL engines in ACME…

The correct answer is A. JPA. See the full explanation below for the reasoning.

Question

Your company has been using the ACME database vendor for many years. Recently, it started considering a migration to the XYZ database vendor, who uses different SQL dialed. The SQL engines in ACME and XYZ have significant differences in performance when executing the same SQL queries? Which is the best persistence technology for database migration?

Options

  • AJPA
  • BJDBC
  • CCMP entity bean
  • DJDBC row set XML serialization

How the community answered

(38 responses)
  • A
    79% (30)
  • B
    3% (1)
  • C
    13% (5)
  • D
    5% (2)

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