主关键字

词组短语

major key · primary key · prime key word

与主关键字相关的网络例句 [注：此内容来源于网络，仅供参考]

Adopt ASP. NET 2003 is regarded as the developing instrument, the design of storehouse of the data follows 3 normal form :, have designed the coding schedule of goods and materials mainly, tombarthite product structure catalogue, basic information slip of the job centre, route form of the craft , project code of the expenses, journal ledger of the cost of goods, subsidiary ledger of the cost of goods, department's form, measurement unit form, the supplies inventory safeguards the counting type structure form, real expenses form, share the proportion form in power of kinetic energy, salary expenses share proportion form, amortization charge share proportion , maintain expenses share proportion , test expenses share proportion , main frame left menu tree form , material price list ,etc. data list

采用ASP 。NET 2003作为开发工具，数据库设计遵循第三范式，符合第二范式的条件，每个非关键字属性都仅由关键字决定，而且一个非关键字属性不能仅仅是对另一个非关键字属性的进一步描述(即一个非关键字属性值不依赖于另一个非关键字属性值)。，主要设计了物资编码表、稀土产品结构目录表、工作中心的基本情况表、工艺路线表、费用项目编码、产品成本总帐、产品成本明细帐、部门表、计量单位表、物料清单维护数型结构表、实际费用表、动能功率分摊比例表、工资费用分摊比例表、折旧费用分摊比例、维护费用分摊比例、化验费用分摊比例、主框架左菜单树表、材料价格表等数据表。

And the main circuit chart used microsoft office visio to draw up, has realized the filter circuit, the leveling circuit, the contravariant electric circuit's composition design.

其中主电路图使用了microsoft office visio来绘制，实现了滤波电路、整流电路、逆变电路的组成设计。关键字：单片机 V/F控制 HEF4752

What is the function of primary key in database?

数据库中的主关键字的作用？

Precipitation distribution;Taiwan;Empirical orthogonal function;Eigenfunction;Temporal distribution;Spatial distribution;Principal component analysis

中文关键字降水分布；台湾；经验正交函数；固有函数；时间分布；空间分布；主分量分析

To advertisement reveal an individual to feel 768 15 is below dominant boat had better, additional the GG of home page or what MM cannot put is too much, the individual thinks 3 it is OK to go to 4, the key word of best and different home page increases special number cannot too much, actually individual of key word density thinks is gally you what you should do only is unashamed, caller can experience the station that won't be fed up with you at a draught at least Baidu of course test you also won't give K at a draught to the article publish the result OK and advanced face adds corresponding navigation column to also need not add article title cannot too similar.

对于广告位的展示个人觉得768 15在主导航下面为好，另外首页的GG或者MM不能放的太多，个人认为3到4个就可以，最好不同首页的关键字加上特殊标记不能太多，其实关键字密度个人认为就是吓唬你你只要做的问心无愧，访客能体验到至少不会一下子讨厌你的站吧百度当然考验你也不会一下子就把你给K 对于文章的发表效果可以在前面加上相应的导航栏目也可以不加文章标题不可太相似。

Instead, they just need to remember a single master keyword that keeps all the rest of the application passwords in a secure database.

相反，他们只需要记住一个单一的主关键字，让所有其他人的申请密码在一个安全的数据库。

When you write your article try to use your keyword in the tile, content, anchor text and around the link.

当你写文章你尝试使用你的瓷砖关键字、内容、文字和周围环主播。

A primary sort key is one that ignores case, accentation, or locale-specific tailorings; so for example

主排序关键字是忽略大小写、音调重音，以及区域相关(locale-specific)属性的；所以

A primary sort key is one that ignores case, accentation, or locale-specific tailorings; so for example

主排序关键字忽略大小写、重音或特定区域的裁剪；所以如

与主关键字相关的网络解释 [注：此内容来源于网络，仅供参考]

divide：除

关系操作的数据查询和数据维护功能使用关系代数中的选择(Select)、投影(Proieet)、连接(Join)、除(Divide)、并(Union)、交(Intersection)、差(Difference)和广义笛卡儿积(Extend-ed关系的实体完整性(Entity Integrity)规则为:主关键字值必须是唯一的,

functional dependence：函数依赖

故只要知道了一个合同记录的合同号,就可以唯一地在同一行中找到该合同的任何一项具体信息. 通常我们称这种关系为函数依赖(functional depEndence)关系. 即表中其它数据元素都依赖于主关键字,或称该数据元素唯一地被主关键字所标识.

primary key：主关键字

码.(7)主关键字(Primary Key)或主码:在一个关系的若干个候选关键字中指定作为关键字的属性(或属性组合)称为该关系的主关键字或主码.(8)非主属性(Non Primary Attribute)或非码属性: 关系中不组成码的属性均为非主属性或非码属性.(9)外部关键字(Foreign Key)或外键:当关系中的某个属性(或属性组合)虽不是该关系的关键字或只是

prime index：主索引

1808primary key主关键字 | 1809prime index主索引 | 1810primitive partition基本分区

restrict：限制

18)在Visual FoxPro中进行参照完整性设置时,要想设置成:当更改父表中的主关键字段或 选关键字段时,自动更改所有相关子表记录中的对应值. 应选择: A)限制(Restrict) B)忽略(Ignore) C)级联(Cascade) D)级联(Cascade)或限制(Restrict)

primary sort key：主要排序关键字

primary key 主键 | primary sort key 主要排序关键字 | primitive 基元

hook gauge：(量液体高度的)钩规, 钩尺

prime key 主键, 主关键字 | hook gauge (量液体高度的)钩规, 钩尺 | jami 伊斯兰大教堂