试题详情
单项选择题Application A currently holds an exclusive lock on a single row and application B tries to access that row. If lock timeout is set to -1 and both applications are using isolation level RS, which of the following will occur?()

A、Applications A and B will cause a deadlock situation

B、Application B will read the previous version of the row

C、Application B will read the row and see uncommitted changes made by application A

D、Application B will be placed in a lock-wait state until application A releases its lock

  • D
  • 关注下方微信公众号,在线模考后查看

热门试题