This form will shutdown a single database by performing a final checkpoint.
该形式将通过执行最后的检查点来关闭单个数据库。
As part of the checkpoint procedure, the database server writes a checkpoint-complete message in the message log.
在检查点过程中，数据库服务器会在消息日志中写一条检查点完成消息。
A checkpoint refers to a point when the database server synchronizes the pages on disk with the pages in the shared-memory buffers.
检查点是指数据库服务器在特定的时间点对磁盘上的页面和共享内存缓冲区中的页面进行同步。
A checkpoint defines a point during the loading process at which the database has successfully processed a specified number of records.
检查点定义数据库在加载流程中成功处理指定数量的记录时的时间点。
A checkpoint has two purposes: (1) to establish data consistency, and (2) enable faster database recovery.
一个检查点有两个目的：(1)确保数据一致性，和(2)更快的数据库恢复。
Automatic checkpoint Tuning - The Oracle Database can now self-tune checkpointing to achieve good recovery times with low impact on normal throughput.
AutomaticCheckpointTuning——Oracle数据库现在可以自调优检查点，从而取得良好的恢复速度，同时降低对正常吞吐量的影响。
A checkpoint is taken when the database is created, and others may be taken later, so recovery is described based on the last completed checkpoint.
当数据库创建时产生一个检查点，其它的将会在后面创建，因此恢复根据最后的完整检查点。
Because SHUTDOWN ABORT does not checkpoint the open data files, instance recovery is necessary before the database can reopen.
因为shutdownabort不会生成检查点，所以再次打开数据库时要进行实例恢复。
As data is written to the database, a pointer called the checkpoint is updated to reflect the new or updated page that was written to the database.
数据写入到数据库时，指针称为检查点会更新以反映新的或更新页面写入到数据库。
As data is written to the database, a pointer called the checkpoint is updated to reflect the new or updated page that was written to the database.
数据写入到数据库时，指针称为检查点会更新以反映新的或更新页面写入到数据库。
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