估计您每天能编写一个数据库访问类并完成其单元测试,因此,150 个表要用 150天的时间。
You estimate a day to write each database access class and unit test it, so 150 tables at one table per day is 150 days.
查询优化器根据从每个表检索的行数估计查询成本。
The query optimizer bases query-cost estimates on the number of rows to be retrieved from each table.
例如,在应用本地谓词以后,cust_order_detail表估计将从560,273条记录中返回8.000001条记录。
For example, the CUST_ORDER_DETAIL table is estimated to return 8.000001 out of 560,273 records after applying the local predicates.
考虑如下事例:如图1的上半部分所示,我们有任务A和任务b,我们估计完成它们各需要八天时间,在我们的时间表上它们总共占用了16天的时间。
Consider this example: we have Tasks a and b, both of which we've estimated at eight days each, taking a total of 16 days in our schedule, as shown in the upper portion of Figure 1.
如果覆盖率是通过产品的整个生命周期内测量的话,估计剩余需要做的测试的量会更加容易,反过来这又让日程表变得可以预测。
If coverage is measured throughout the lifecycle of the product, it is easier to estimate the amount of testing that remains to be done, which in turn helps to make the schedule predictable.
如果语句涉及到更大的表格和两个或者更多个表的连接的话,查询访问计划就很可能会因为基数估计值的提高而改变。
Statements involving larger tables and joins of two or more tables are more likely to exhibit a change in query access plan as a result of the improved cardinality estimate.
每个表引用的右边是表基数(依据记录的数量和页面的数量)以及合格行的估计数量。
To the right of each table reference is the table cardinality (in terms of both number of records and number of pages) and the estimated number of qualified rows.
但是,我认为由于这些详细的估计和进度表,这里存在大量错误的信心。
But I think there's a lot of false confidence that gets built up by these detailed estimates and detailed schedules.
例程然后会为了进行现有数据倾斜的估计运行相同的报告并且最后还会丢弃这个副本表。
It then runs the same report for the existing data skew estimation and, at the end. drops the copy table.
这也许是个极端的例子,但佩恩表的编制者估计所有撒哈拉以南的43个非洲国家的数据误差高达30- 40%。
This may be an extreme case but the PWT reckons that data for all 43 sub-Saharan African countries have margins of error of 30-40%.
为了避免有人说我们的估计是伪精确的,我们将表中估计出的债务负担四舍五入到末尾最接近于百分之五的那个数字。
To avoid charges of spurious accuracy, we have rounded down our estimate of the stable debt burden to the nearest five percentage points.
用表基数(560,273条记录)与谓词过滤因子 (0.0014%) 相乘就获得了 QUALIFIED_ROWS的估计值。
The estimate for QUALIFIED_ROWS is obtained by multiplying the table cardinality (560,273 records) by the predicate filter factor (0.0014%).
有趣的是,许多人并不能够观察到这些估计很少能够变成现实、以及这些进度表很少能够长久有效这一事实。
And it's interesting that many people are unable to observe the fact these estimates rarely seem to come true and the schedules rarely seem to work out in the long run.
指甲表可能是最具风格的手表了,等它热销市场时,所有的流行公司估计只有等着哭的份了。
This would probably be the most stylish watch and all popular companies would cry if it hits the markets.
他拒绝为撤军设定一个时间表。他说,撤军数量将取决于伊拉克的地面局势,但伊拉克的地面局势是无法提前作出估计的。
He has refused to agree to a timetable for withdrawals, saying reductions in troop levels will be determined by conditions on the ground in Iraq that are impossible to predict in advance.
自动表重组不会考虑那些表大小估计值大于大小条件的表。
Tables whose estimated size is greater than the size criteria are not considered by automatic table reorganization.
与 QUALIFIED_ROWS相关的数代表将使基础表引用的所有本地谓词合格的估计的记录数量。
The number associated with QUALIFIED_ROWS represents the estimated number of records that would qualify all the local predicates of the underlying table reference.
如果你看了昨天的新闻,房利美预计,他们估计,房利美最新一期的损益表上,将会显示一大笔亏损。
If you just saw the news yesterday, Fannie Mae is predicting, well, they are predicting that Fannie Mae is going to make huge losses in their latest earning statement.
为了更好地解释说明基数估计值的提高,撤销除主键索引外的所有employee表上的现有索引。
To better illustrate the improvement in cardinality estimation, drop all the existing indexes on the EMPLOYEE table except the primary key index.
当被问到,他拿出他自己为他的应用销售情况的估计,一个简单的显示列车时刻表的程序:日入1-2美元。
When asked, he tossed out an estimate for his take from sales of the app, a simple program that shows train schedules: “$1 to $2 per day.”
除了标签和追踪性,考虑一下向您的日程表和估计添加不同的自动化,性能,安全性测试以及Web服务测试任务。
Aside from tagging and traceability, consider adding the different automation, performance, security testing, and Web service testing tasks to your schedule and estimates.
根据当时的市场估计,雷曼兄弟的资产负债表受到的冲击来自大约250亿美元的不流动资产的未实现损失。
According to market estimates at the time, Lehman’s balance-sheet was under pressure from perhaps $25 billion of unrealised losses on illiquid assets.
据估计,Facebook申请表的开发者商今年的收益可能与网站本身的收益一样多。
By some estimates, developers working on Facebook applications may pull in as much revenue this year as the site itself.
这种方式的贷款总量还不清楚,因为没有人集中的整理这些数据,而且惠誉国际评级公司说的负债表之外的3万亿人民币的估计也只是猜测。
The amount of loans treated this way is unclear because nobody centrally collates the data, and Fitch says its three trillion yuan estimate for off-balance-sheet credit is rough.
这个故事完整的日期事件表像呼啸山庄年鉴表一样,使用的日期是从小说中估计出来的。
A full, day-by-date timeline of the story is available as the Wuthering Heights Almanack, using dates estimated from the novel.
瑞士信贷的分析师们估计,英国的银行从6月份开始就已经增加了其资产负债表的规模。
Analysts at Credit Suisse reckon that British Banks have increased their balance-sheets since June.
通过每一单位血液传播疾病频数的最新估计在表1中列出。
Recent estimates of the frequency of disease transmission by a single unit of blood are shown in Table 1.
查询表46包括预定的多个均衡器滤波器长度,其对应于不同的确定或估计的延迟范围或另一选择度量。
A lookup table 46 includes a predetermined plurality of equalizer filter lengths corresponding to different determined or estimated delay spans or another selected metric.
贷款人员均不得向客户手率表,但要求我,我会送你一个善意估计杆定价。
Loan officers are not allowed to hand customers the rate sheet but call me and I will send you a good faith estimate with par pricing.
贷款人员均不得向客户手率表,但要求我,我会送你一个善意估计杆定价。
Loan officers are not allowed to hand customers the rate sheet but call me and I will send you a good faith estimate with par pricing.
应用推荐