It returns the most recently committed version of the rows, even if another concurrent session holds an exclusive row-level lock.
即使另一个并发会话持有一个独占式行级锁，它仍然返回最近提交的行。
Some databases (such as SQL Server) allow you to disable the page-level locking in hopes that it won't escalate from a row-level lock to a table-level lock.
一些数据库(比如sqlServer)允许您禁用页面级锁，以期它不会从行级锁切换到表级锁。
Some databases (such as SQL Server) allow you to disable the page-level locking in hopes that it won't escalate from a row-level lock to a table-level lock.
一些数据库(比如sqlServer)允许您禁用页面级锁，以期它不会从行级锁切换到表级锁。
应用推荐