| 摘要 |
Multiple local databases are coupled to a master database. The master database includes a number of data objects to be synchronized with the local databases. The state of the objects stored in the local databases is initially set to a pending state. A request is made to synchronize the local database with the master database. The state of the last object to be synchronized is periodically read. Read access to the local database is blocked until the last object indicates that it has been synchronized.
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