[计] 共享型锁

shared lock的用法和样例:

例句

  1. This means that shared locks are placed on the two pages that contain the rows that you must have to satisfy your query.这意味着共享锁放置在这两个包含必须用来满足查询的行的页上。
  2. Row versioning removes the need for requesting share locks on rows that have been read.行版本控制不需要对已读取的行请求共享锁。

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