图10显示一个更新语句正在操作一个包含私有数据的列。
Figure 10 shows that an update statement is manipulating a column that contains private data.
来自HTTP请求的客户个人数据作为参数传递给更新语句；不需要修改。
The customer profile data from the HTTP request is passed as a parameter to the update statement; no modifications are needed.
这使得数据库系统管理员可以优化没有使用更新语句处的性能，或使用更新语句时也可以防止死锁。
This allows the database administrator to optimize the performance where the update syntax is not used, or to prevent deadlocks when it is used.
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