优化器根据可用的统计信息计算基数的估计值，即预计查询返回的行数。
The optimizer calculates its cardinality estimate — that is, the estimated number of rows returned by the query — based on the statistics available.
下面是以KornShell 93语法计算基数8(八进制)ewu值的代码。
Here is a base 8 (octal) EWU value calculation in Korn Shell 93 syntax.
下面是以KornShell 93语法计算基数2(二进制)ewu值的代码。
Here is a base 2 (binary) EWU value calculation in Korn Shell 93 syntax.
下面是以KornShell 93语法计算基数10(十进制)ewu值的代码。
Here is a base 10 (decimal) EWU value calculation in Korn Shell 93 syntax.
下面是以KornShell 93语法计算基数16(十六进制)ewu值的代码。
Here is a base 16 (hexadecimal) EWU value calculation in Korn Shell 93 syntax.
统计视图和REOPT都使优化器可以计算出更精确的基数估计，而后选择一个最佳查询执行计划。
Both statistical views and REOPT allow the optimizer to compute a more accurate cardinality estimate and consequently choose an optimal query execution plan.
这实际上为计算2008年2月份出口增幅设定了一个较高的基数。
This in effect created a high base, from which the February 2008 growth rate was calculated.
字段2：用来计算ewu值的计数基数。
优化器凭借精确的基数估计值来准确计算出每一个待定查询访问计划的成本。
The optimizer is dependent on accurate cardinality estimates to properly compute the cost of each query access plan considered.
优化器凭借精确的基数估计值来准确计算出每一个待定查询访问计划的成本。
The optimizer depends on accurate cardinality estimates to properly compute the cost of each query access plan considered.
这是根据计数基数和输出值所需的位数计算出来的。
This is calculated from the counting base and the number of digits desired in the output value.
然后，这些信息被包括进来，用于帮助优化器在为那些符合条件的查询(这些查询不需要直接引用视图)的选择性估计和基数估计计算成本时做决定。
This information can then be included as part of the optimizer decision during costing for selectivity and cardinality estimates for qualified queries which do not need to reference the view directly.
据猜想，二十进制(以20为基数进行计算)源于人类的手指和脚趾。
The vigesimal system (counting in base 20) is thought to originate from humans' fingers and toes.
而且更重要的是我们要记得我们计算的是64%的工薪阶层，与其余的36%相比他们能够很容易储蓄，因此这个储蓄率要比将能够负担房子的全部人群作为基数是的比例。
Moreover, it's important to remember that we're talking about the top 64% of wage earners. They can save more easily than the other bottom 36%.
重复上面的步骤，再次解释查询，生成查询访问计划之后，优化器会计算出一个更好的、与实际结果很接近的基数估计值。
After repeating the above steps to explain the query again to generate the query access plan, the optimizer computes a better cardinality estimate that is very close to the actual result.
这类方法具有基数型、显式计算（无须求解方程组）及局部性等优点。
This kind of schemes has advantages such as cardinal type, explicit calculation(no need to solve system of equations) and localization.
月工资增加基数低于人民币50元的，按50元标准计算。
If the increase basis of monthly salary is lower than 50 yuan, according to 50 yuan calculating.
夫妻分开申报可以受益，这些条件下的夫妻因为其调整总收入被用来计算税金的基数会各自单独计算。
Separate filing may benefit such couples because the adjusted gross income "floors" for taking the listed deductions will be computed separately.
发明对数是为了简化繁琐的计算，因为用幂指数的相加或相减可以等同于它们的基数的相乘或相除。
Logarithms were invented to simplify cumbersome calculations, since exponents can be added or subtracted to multiply or divide their bases.
普通数字用10 为基数，但许多计算机用2作基数。
Ordinary numbers use base 10, but many computers work to base 2.
普通数字用10为基数，但许多计算机用2作基数。
Ordinary Numbers use base 10, but most computer work to base 2.
超过当地职工平均工资300%的，按当地职工月平均工资的300%计算缴费基数，即缴费上限；
Exceed local worker average wage of 300% , by local worker mean monthly the 300% computation capture of salary expends base, namely capture expends upper limit;
普通的数目基数为十，但是多数计算机的基数为二。
Ordinary numbers use base 10, but most computers work to base 2.
普通数目基数为十，但是多数计算机基数为二。
Ordinary Numbers use base 10, but most computers work to base 2.
计算。SAP系统可依据计税基数加上或不加现金折扣来计算税金数额。
The system calculates tax amounts with or without cash discount based on the tax base amount.
以本金和不断累计的利息为基数计算利息。
为了确定数所代表的数值，必须用基数的整数次幂乘以每个数字，然后计算出所有加权的数字的总和。
To determine the quantity that the number represents, it is necessary to multiply each digit by an integer power of rand then form the sum of all weighted digits.
为了确定数所代表的数值，必须用基数的整数次幂乘以每个数字，然后计算出所有加权的数字的总和。
To determine the quantity that the number represents, it is necessary to multiply each digit by an integer power of rand then form the sum of all weighted digits.
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