sorting merge中文什么意思

例句与用法

1. Disk sort merging
   磁盘排序合并
2. If the query includes a join , the optimizer must determine the join plan hash , sort merge , or nested loop , and the order in which tables are evaluated or joined
   如果该查询包含了连接，那么优化器就必须确定连接计划（ hash 、 sort merge或nested loop ） ，以及评估或连接表的次序。
3. Join plan directives that force optimizer to use the designated join method to join tables in the query , either nested loop join , sort merge join , or dynamic hash join
   连接计划指示，强制优化器使用指定的连接方法来连接查询中的表，要么是嵌套循环连接、分类合并连接，要么是动态哈希连接。
4. For detecting - analyzing method based on snapshot difference , we implement these snapshot differential algorithm : sort merge algorithm , partition hash algorithm and window algorithm . for detecting - analyzing method based on log , we discuss the analyzing method of log on two relation database systems - oracle and sql server
   对基于快照差分的检测分析方法，我们实现了三种快照差分算法： sortmefge算法、 partitionhash算法和wndow算法；对基于日志的检测分析方法，讨论了oracle和sqlserver两种关系数据库的日志分析方法。