Answer: Yes, you can supply an optimistic concurrency control (OCC) integer column to a given table, and specify that this column is to be used for OCC in the metadata.
答：有的，可以向给定的表提供一个开放式并发控制(occ)整数列，并指定该列供元数据中的OCC使用。
Even though the JDBC DMS provides for data updates and an optimistic concurrency control (OCC) mechanism for update collisions, SDO may not be suited for all Web applications.
即使JDBCDMS提供了数据更新和用于解决更新冲突的optimistic并发控制(occ)机制，SDO也不可能适合所有的Web应用程序。
Even though the JDBC DMS provides for data updates and an optimistic concurrency control (OCC) mechanism for update collisions, SDO may not be suited for all Web applications.
即使JDBCDMS提供了数据更新和用于解决更新冲突的optimistic并发控制(occ)机制，SDO也不可能适合所有的Web应用程序。
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