| 1. | Update locks prevent a common form of deadlock
更新锁（ u锁）可以防止常见的死锁。 |
| 2. | On oracle databases , the weakest lock is an update lock
在oracle数据库上，最弱的锁是更新锁。 |
| 3. | To avoid this potential deadlock problem , update locks are used
若要避免这种潜在的死锁问题，请使用更新锁（ u锁） 。 |
| 4. | Indicates an update lock acquired on resources that may eventually be updated
指示对最终可能更新的资源获取的更新锁。 |
| 5. | Only one transaction can obtain an update lock to a resource at a time
一次只有一个事务可以获得资源的更新锁（ u锁） 。 |
| 6. | Specifies that update locks are to be taken and held until the transaction completes
指定采用更新锁并保持到事务完成。 |
| 7. | Bulk update locks
大容量更新锁 |
| 8. | Protects requested or acquired update locks on all resources lower in the hierachy
保护针对层次结构中所有低层资源请求或获取的更新锁。 |
| 9. | If a transaction modifies a resource , the update lock is converted to an exclusive lock
如果事务修改资源，则更新锁（ u锁）转换为排他锁（ x锁） 。 |
| 10. | Indicates shared access to a resource with the intent of acquiring update locks on subordinate resources in the lock hierarchy
指示对有意在锁层次结构中的从属资源上获取更新锁的资源进行共享访问。 |
