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- Describes how the JDBC driver supports row locking. 说明JDBC驱动程序如何支持行锁定。
- Specifies whether row locks are allowed. 指定是否允许行锁。
- A row lock within an index. 索引中的行锁。
- The Microsoft SQL Server 2005 JDBC Driver uses SQL Server row locks. Microsoft SQL Server 2005 JDBC驱动程序使用SQL Server行锁定。
- Read operations require only SCH-S table level locks and no page or row locks. 读取操作只需要SCH-S表级别的锁,不需要页锁或行锁。
- To preserve system resources, the lock manager automatically performs lock escalation when a configurable threshold on the number of row locks is exceeded. 为保留系统资源,当超过行锁数的可配置阈值时,锁管理器将自动执行锁升级。
- The most efficient locking strategy is to turn off page and row locking and allow all concurrent readers to get a shared (S) lock on the table, reducing overhead. 最有效的锁定策略是关闭页锁定和行锁定,并允许所有并发读取器获得表上的共享锁(S锁)以减少开销。
- The second task does not have to check for individual page or row locks before locking the table; it only has to check for an intent lock on the table. 第二个任务在锁定该表之前不必检查各个页锁或行锁;只需检查该表的意向锁。
- Read operations acquire no page or row locks; only SCH-S table locks are acquired. 读取操作不获取页锁或行锁,只获取SCH-S表锁。
- When the total of intent locks, row locks and page locks on a specific table exceeds the escalation threshold, escalation occurs. 当特定表上意向锁、行锁和页锁的总数超出升级阈值时,就会进行升级。
- In addition to table and row locks, page-level share/exclusive locks are used to control read/write access to table pages in the shared buffer pool. 除了表级别的和行级别的锁以外，页面级别的共享/排他销也用于控制对共享缓冲池中表页面的读/写访问。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- This lock can only be opened from the inside. 这把锁只能从里面打开。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- We must put a new lock on the front door. 我们得在前门上安一把新锁。
- Someone has been tampering with the lock. 有人乱动过这把锁。
- Someone has to lock up the house. 总要有人把房子锁起来。
- I had a stand-up row with my boss today. 今天我跟上司大吵了一顿。
- She inserted the key into the lock. 她把钥匙插入锁中。
- A row of trees screened our view. 一排树木挡住了我们的视线。
