The update operation implementation must make a qualified update to the database record such as, "update record.".. where the the revision counter equals...
更新操作实现必须对数据库记录进行限定的更新操作，如“如果修订计数器等于…则更新记录…”。
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And, if this process is applied repeatedly, the entire loop can be collapsed into a single synchronized block with a single "counter=10000000" operation.