Multiple choice technology databases

What is a Parallel Server

  1. Multiple instances accessing the same database (Only In Multi-CPU environments)

  2. Multiple instances accessing the same database (Only In single-CPU environments)

  3. Multiple instances accessing the different database (Only In single-CPU environments)

  4. Single instance accessing the multiple database (Only In Multi-CPU environments)
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A Correct answer
Explanation

Oracle Parallel Server (now Real Application Clusters) allows multiple database instances running on different nodes in a multi-CPU environment to access a single, shared physical database. Single-CPU systems do not benefit from this architecture, and an instance cannot access multiple independent databases simultaneously.

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