This is a lot faster than a nested loop join of two table scans without any index usage.
这比不使用任何索引的两个表扫描的嵌套循环连接要快得多。
For example, the query in Listing 1 describes a join of the Dept and Employee tables.
举例来说，清单1中的查询描述了Dept和employee表的连接。
This table also highlights the join of task data with supplemental data using a query table.
该表强调了任务数据和使用查询表的补充数据的连接。
RDA allows mapping models to be used to specify a join of information that may reside in multiple sources.
RDA 允许通过映射模型指定来自多个源的信息的连接。
Note that if multiple tables are chosen, the MashupHub will create the simplest join of the chosen tables.
注意，如果选择了多个表，那么MashupHub会在所选的表之间创建最简单的联结。
For example 10,000 rows in one dimension multiplied by 10,000 rows in another would produce a Cartesian join of 100,000,000 rows.
例如，一个维度中10,000行乘以另一个维度的10,000行会产生100,000,000行的Cartesian连接。
In the current simple scheme, the process is simple; Listing 5 performs an implicit inner join of the bigdog.products table and the bigdog.vendors.
在当前的简单模式中，过程十分简单；清单5执行bigdog . products表和bigdog .vendors表之间的隐式内连接。
For example, if the composer step needs to write a list that is the join of two other lists, the user first needs to add a join step before the composer step, then perform the mappings.
例如，如果编写器步骤需要编写一个由另外两个列表联接而来的列表，用户首先需要在编写器步骤之前添加一个联接步骤，然后执行映射。
At 50, he was forced to join the ranks of the unemployed.
他50岁时被迫加入了失业行列。
Join a small group hike tour for an evening of exploration in the heart of Washington.
加入小型徒步旅行团，用一个晚上去探索华盛顿的中心。
He encouraged me to bag the safety of my present course, join the marines, and go to Vietnam, where at least I'd really learn something.
他鼓励我确保目前路线的安全，加入海军陆战队去越南，至少在那里，我能学到一些东西。
Some cultures are too adept at lining up: a citizen of the former Soviet Union would join a queue just so he could get to the head of that queue and see what everyone was queuing for.
有些文化太善于排队了：前苏联的一个公民会加入队列，只是为了他能排在队伍的前头，看看每个人是为了什么而排队。
There is not much glory in it, but we are looking for someone with some knowledge of anthropology to join us.
这不是什么能获得荣耀的工作，但是我们在寻找有一些人类学知识背景的人来加入我们。
Join a small group bike tour for an evening of exploration in the heart of Washington DC.
参加一个小型的团体自行车之旅，探索华盛顿特区的核心地带。
You can join them, by following Eckberg and his class as they track the adventures of Dan and Steve Buettner, two world-class bicyclists from U.S.A..
您可以跟随Eckberg和他的班级加入他们的行列，他们跟踪来自美国的两位世界级自行车手丹和史蒂夫·布特尼的冒险经历。
It's a great opportunity to make new friends, join lots of clubs and settle into university life.
这是一个结交新朋友、加入许多社团和适应大学生活的好机会。
Many young people worry that once they graduate from university, they will join the ranks of the unemployed.
许多年轻人担心他们一毕业就会加入失业大军。
Milton can join his voice to the angel choir and have the honor of being first to greet the "Infant God".
弥尔顿可以加入天使唱诗班，并有幸成为第一个向“婴儿上帝”致意的人。
He agreed to join because he "found the foresight behind the establishment of the SBoRE to be novel, unique and likely to have a lasting impact".
他之所以同意加入，是因为他“发现SBoRE 创立背后远见卓识的新颖、独特性，并可能产生持久的影响”。
I said to him, "Tyler, why not join in our discussion instead of having one of your own?"
我对他说：“泰勒，与其自己另外探讨，何不加入我们的讨论呢？”
Hachnut has found, however, that the attrition rate of graduates from this program is very high, with many of them leaving Hachnut to join competing firms soon after completing the program.
然而，哈克纳特发现，该项目的毕业生流失率非常高，许多人在完成项目后不久就离开哈克纳特，然后加入了其竞争对手的公司。
Parents should actively urge their children to take advantage of the opportunity to join sports team.
家长应积极督促孩子利用这个机会加入运动队。
Parents should actively urge their children to take advantage of the opportunity to join sports activities.
父母应该积极鼓励孩子抓住机会参加体育活动。
Only when all of us join hand in hand to eliminate noise pollution at all levels, can we have a better environment and a more beautiful future.
只有当我们所有人携手消除各级噪音污染时，我们才能拥有更好的环境和更美好的未来。
To prevent that event from becoming a catastrophe, first responders will join members of the public in rehearsals that involve communication, evacuation, search and rescue, and other scenarios.
为了防止灾难的发生，急救人员将和公众一起演练，包括通讯、疏散、搜救和其他场景。
Our allies pressed us to join with them to act against the tyrant and restore order on the south shore of the Mediterranean.
我们的同盟们敦促我们加入他们来反抗暴君，并且重新恢复地中海南岸的秩序。
Once there, we are introduced to her fellow campers, Sally stands by them, holding my hand, horror in her eyes, trying to work up the courage to join a game of soccer.
一到那里，我们被介绍给她的同伴们。莎莉站在他们旁边，握着我的手，眼中充满恐惧，试图鼓起勇气参加一场足球比赛。
Parents should actively urge their children to take advantage of the opportunity to join sports teams.
父母应积极督促孩子利用机会加入运动队。
You may be the only younger one in your year, but, you know, we have a lot of after-school activities you can join in.
你可能是你们年级里唯一一个比较年轻的孩子，但是，你知道，我们有很多课外活动，你也可以参加。
Jazz was in its heyday back then, and when she got out of the conservatory, she was invited to join a jazz orchestra.
那时爵士乐正处于鼎盛时期，她从音乐学院毕业时，受邀加入了一个爵士乐团。
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