As mentioned above, dynamic hash join is a new join method for IDS version 7 and above.
正如上面所提到的，动态哈希连接是IDS版本7以及更高版本中的新连接方法。
Some of the new join features of 11.7 have helped us improve the performance of one query by 22 percent.
版本 11.7中新增加的特性会帮助我们将一个查询的性能提升 22%。
One noteworthy point about creating a join expression is that every time you join from an expression, it returns a new join expression, as shown in Listing 9.
创建连接表达式需要注意的一个地方是，每次连接一个表达式时，都会返回一个新的表达式，如清单9所示。
One noteworthy point about creating a join expression is that every time you join from an expression, it returns a new join expression, as shown in Listing 9.
创建连接表达式需要注意的一个地方是，每次连接一个表达式时，都会返回一个新的表达式，如清单9所示。
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