Create a DB2 table for resource locking.
为资源锁定创建一个db2表。
When having duplicate rows in the lock table (see the Create a DB2 table for resource locking section), concurrent use of the resource is possible.
如果锁表中有重复的行(参见为资源锁定创建一个DB 2表一节)，就可以对资源进行并发使用。
Optimistic locking in DB2 9.5 improves scalability by minimizing the time for which a given resource is unavailable for use by other transactions.
DB2 V9.5 的乐观锁定特性最小化了给定资源对于其他事务的不可用时间，进一步改善了可伸缩性。
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