primary keys发音

意思翻译

主键

相似词语短语

keys───n.(Keys)（美、英、加、澳、俄）基斯（人名）；v.键入；调整……的调子；用钥匙划坏（汽车）（key的第三人称单数）；n.钥匙；（钢琴等的）键；密钥；关键；（音乐）调；（无花果树的）翼果；板条间首层灰泥；（篮球的）罚球区；（加勒比海地区的）礁（key的复数）

primary───adj.主要的；初级的；基本的；n.原色；最主要者

enharmonic keys───等音调

allen keys───n.艾伦内六角扳手

minor keys───小调

y keys───y键

flat keys───平键

florida keys───佛罗里达群岛（美国佛罗里达半岛南端的岛群）；n.佛罗里达礁群; [地名] [美国] 佛罗里达群岛

church keys───有三角形尖端的开罐器或开瓶器

双语使用场景

Note that this table has two primary keys.───注意这个表有两个主键。

The DataSet also depicts the primary keys of the two tables.───该数据集还描述了这两个表的主键。

The primary keys used are random 18-digit integers.───使用的主键是随机18位整数。

As I mentioned earlier, sharding forces you to be keenly aware of primary keys, as you'll manage them yourself.───如我之前提到的那样，切分迫使您重视主键，因为您将需要亲自管理这些主键。

It is common for relational databases to use the concept of primary keys, generated by an auto-increment feature or by a sequence generator.───在关系数据库中通常可以使用主键，它由一个自动递增特性或序列生成器生成。

Wide primary keys are composed of two or more columns.───宽主键由两个或更多个列组成。

Sequential numbers are often used in OLTP-like applications to generate primary keys required by the relational model.───连续数字在OLTP类应用程序中常常用于生成关系模型所需的主键。

In replicated databases, the error is typically raised because primary keys have not been managed appropriately across the topology.───在已复制的数据库中，通常会引发该错误，因为尚未跨拓扑对主键进行适当的管理。

Automatically created indexes Adaptive Server Anywhere automatically creates indexes for primary keys and for unique constraints.───自动创建的索引AdaptiveServerAnywhere自动创建主键和唯一约束的索引。

英语使用场景

The metadata API also provides the ability to define nullable columns, establish primary keys, and set-up relationships between tables.

Of course, primary keys are never defined directly against views in a commercial relational database environment.

In the Join dialog box change the comparison operator between the primary keys as required.

It is common for relational databases to use the concept of primary keys, generated by an auto-increment feature or by a sequence generator.

Relations in databases are designed to be searched by the primary keys.