Data acquisition was realized by defined two times of handshake order or response frame format and VI of read-write operation between host and slave computers.
通过定义主从机读操作的两次握手命令-应答帧格式及其参数改写子VI实现数据采集。
Thus, the read operations compete with log writing and the write operation for data pages from the buffer pool.
因而，读操作与日志写和缓冲池中的数据页的写操作之间存在竞争。
The initialization of the split mirror as snapshot performs a crash recovery, rolls back all uncommitted transactions, and makes the database available for any read or write operation.
将分割镜像初始化为快照时，将执行崩溃恢复，回滚所有未提交的事务，并使数据库可以被所有读或写操作访问。
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