An index push-down has the following advantages.
索引下推包含以下优点。
Step 2.4: Look for other push-down opportunities.
步骤2.4：寻找其他下推机会。
Star join plan utilizes push-down hash join technology.
星型连接计划利用下推散列连接技术。
The pushed-down join keys can be used in an index pushdown or a bit-vector push-down.
下推连接键可用于索引下推或位向量下推。
The push-down decision is made by the wrapper during the planning phase, while working with the query optimizer.
下推的决定是包装器在计划阶段与查询优化器一起做出的。
A star join plan utilizing push-down hash join technology makes hash joins more effective primarily due to reduction of fact table (probe table) rows early on.
利用下推连接技术的星型连接计划使得散列连接更加有效的主要原因是，在初期减少了事实表(探测表)的行数。
In a bit-vector pushdown, for each push-down, the database server hashes the keys from the dimension table to create a bit vector, which is shipped to the fact table.
在位向量下推中，对于每次下推，数据库服务器通过散列维度表中的键来创建发送至事实表的位向量。
There are now fears that Dubai might be forced into a fire sale of assets, which would push asset values down further.
现在有人担心迪拜可能被迫会低价抛售资产，这将推动资产价格进一步下降。
Investors, fearing America will have to inflate its way out of such debt, could push the dollar down and interest rates up.
因担忧美国将不得不通过通货膨胀来摆脱这一债务，投资者将会推动美元下跌、利率提高。
Understanding the capabilities of the data source enables the federation server to push down more functionality to that data source, which generally improves performance.
理解数据源的能力之后，联邦服务器就可以将更多的功能下推到那个数据源，这通常可以提高性能。
If you want the federated server to push down the evaluation of a function to a relational data source, you must use a function mapping for that data source.
如果您希望联邦服务器将函数的计算下推到一个关系数据源，那么必须使用那个数据源的一个函数映射。
Crews are slowly pumping heavy drilling mud into a cap on the top of the well, to push down hydrocarbons that are already present in the well pipe.
工程人员正在缓慢地将特殊泥浆注入井口上的控油罩，将油井管道中已经形成的碳氢化合物压在下面。
Being able to push down aggregation operations or very selective predicates to CF (i.e. those that filter out many rows) will result in the greatest benefit.
如果能将聚合操作或选择性非常强的谓词(即能过滤掉很多行的谓词)下推到CF，就可以获得最大的益处。
But in some cases, it may be necessary to add index information and statistics to the nickname after it is created in order to get the optimizer to push down predicates used with the nickname.
但是在某些情况下，在创建昵称之后，可能需要添加索引信息和统计信息，以便让优化器下推与昵称一起使用的谓词。
Thus, Federation Server can push down only a few SQL operations through the standard ODBC wrapper to the remote source and executes most predicate evaluations, aggregations, sorts and joins locally.
因此，在使用标准的ODBC包装器的情况下，FederationServer只能将少数SQL操作下推到远程数据源，大多数谓词的计算、聚合、排序和连接仍然是在本地完成。
With your right foot still firmly planted on the brake pedal, push the clutch down gently and select reverse.
你的右脚仍然牢牢地踩在刹车踏板上，轻轻踩下离合器，选择倒车。
How do you feel, when I push down here?
我向下推这儿时您有什么感觉？
We push common columns down into each table.
我们将通用列推入每个表。
“Abundant capacity, particularly in trucking and ocean shipping, push rates down (last year), often below costs, ” Wilson said.
运力过剩，特别在货车运输和海运方面，造成（去年）费率下降，经常低于成本。
To bring your pelvis up with your ribs, exhale, push your hands down harder, and pull your thighs upward as if to lift them to your chest.
为了让骨盆跟上胸腔提升的步伐，来呼气，双手用力向下按去，抬起大腿，让大腿靠近胸腔。
Treasurys, sold to pay for it all.This likely would dilute the Treasury bond market, drive down prices, push up yields and cause mortgage rates to rise.
这可能会稀释美国国债市场，压低国债价格，推高收益率，带动抵押贷款利率走高。
Ensure you breathe in on the way down, and breathe out as you push up.
确保你在下卧的时候吸气，在推起的时候吐气。
Push updates allow updates to be pushed down by an administrator without any interaction on the user's part.
推式更新允许管理员下推更新，无需与用户方进行任何交互。
For those of you who may not remember, Sisyphus, of Greek mythology, was the guy condemned to push a boulder up a hill, watch it roll back down, and repeat this for all eternity.
有些人可能不记得希腊神话里西西弗这个人了。他将一块巨石推上山顶，看着它从山顶滚下来，然后一生重复做这件事。
Cameron visited a number of TV and radio studios to push his message that the measure was one of the "tough decisions" that needed to be taken to bring down the deficit.
卡梅伦会见了许多电视台和电台的记者，他传达的信息是，这项举措是一项“艰难的决定”，但为减少财政赤字必须如此。
Our attitude is the driving force in our lives—it can either push you to do great things or pull you down to your demise.
我们的态度是我们生活的驱动力，我们的态度可以推动我们去做伟大的事情抑或让自己碌碌无为沉寂一生。
That would push down final demand further.
这将导致最终需求的进一步下降。
Gently push down your right knee until you feel a stretch in your right hip.
慢慢将你的右膝盖按下，直到感觉右胯拉紧。
Gently push down your right knee until you feel a stretch in your right hip.
慢慢将你的右膝盖按下，直到感觉右胯拉紧。
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