2. 计算机
  3. The most commonly used locked level in implementing concurrency control is at which of the following levels? ( )

The most commonly used locked level in implementing concurrency control is at which of the following levels? ( )

admin2009-02-24  45
问题 The most commonly used locked level in implementing concurrency control is at which of the following levels? (    )
选项 A、record
B、database
C、table
D、field
答案A
解析
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笔试

原NCRE全国计算机四级

NCRE全国计算机四级

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