月亮词典
首页
查询
cardinalities
基数
常用释义
词性释义
n.
基数（cardinality 的复数）
例句
全部
Section actuals
permit
you
to
see
what
the
real
cardinalities
are
vs
.
estimated
cardinalities
in an
access
plan
.
片段实绩使您能够查看访问计划的真实基数与估计基数的对比。
However
,
named
patterns
can
at
least
be
used
to
make
spelling
out
cardinalities
slightly
less painful
.
然而，使用所指定的模式至少可使基数的拼写略微简洁些。
Selectivities
of
the
predicates
in
a
query
determine
the
cardinalities
(
number
of rows
)
at
various
places
in the
query
execution
plan
.
查询中谓词的选择性决定了查询执行计划中不同位置的基数（行数）。
The
product
of
individual
column
cardinalities
is
compared
to
the
cardinality
of the
column
group
to
get
better
correlation
estimates
.
较于列组的基数，单个列的基数（cardinality）的乘积将获得更好的相关性估计。
Many
industry
-
level
XML
standards
are
loosely
defined
--
which
typically
means
that
cardinalities
are minimally
defined
.
很多行业级别的XML标准的定义都很宽松，这通常意味着定义的规约很少。
Comparing
real
cardinalities
to
the
optimizer
's
estimates
can
help
you
identify
query
planning
problems
.
对真实的基数和优化器估计的基数进行比较，可以帮助您识别出查询计划方面的问题。
In
the
world
of
OWL
and
RDF
,
relationships
of
various
cardinalities
are
expressed
through
multiple
assertions
of the
same
property
.
在OWL和RDF世界中，通过对同一属性的多个断言来表达各种基数的关系。
Added
the
Relationship
Cardinalities
table
.
添加了“关系基数”表。
Set
the
cardinalities
as
shown
in
Figure
9
.
Press
OK
.
如图9所示设置基数。按下OK。
Relationship
containing
relationship
name
and
cardinalities
关系，其中包括关系名。