Which means no duplicate key is allowed.
这意味着没有重复的关键是允许的。
I've locked myself out. Could I have a duplicate key?
我把自己锁在门外了。可以给我一把备用钥匙吗？ ？
I've locked myself out. Could I have a duplicate key?
我把自己锁在门外了。可以给我一把备用钥匙吗？
The errors tag shows a list of errors, if any occurred (i. e. duplicate key error, etc. ).
如果发生了错误（例如，重复键错误等等），错误标签会显示出错误列表。
I forgot to bring my key when I left the room. May I borrow a duplicate key for room 402, please?
我离开房间时忘记带钥匙了。我能借用402房间的备用钥匙吗？缝。
Duplicate keys: How professional the advertisement is! The model key is much bigger than its real size.
配钥匙钥匙虽小，广告巨大！好专业啊！
Select Duplicate key and SQL errors so that records that cause these errors are sent to the reject link.
选择Duplicate key和SQLerrors，将导致这些错误的记录发送给拒绝链接。
This could result in a significant decrease in performance should there be a large number of duplicate key values.
如果有大量重复键值，这可能会导致性能大幅降低。
By the way, here are the two duplicate keys to the gate-i'll take one, the other key you'd better keep yourself.
顺便说起，这儿是两把完全一样的大门钥匙—我拿一把，另一把你绝佳我自己拿着。
This table, sorted in alphabetical order, requires a lexical key comparison function, and USES support for duplicate keys in BDB.
本表，按字母顺序排序的，需要一个词汇重点比较功能，并使用在BD B重复键的支持。
Informix Dynamic Server must search all those duplicate keys to find the correct key to delete or update, and that is 200,000 keys to search!
InformixDynamicServer必须搜索所有重复键，删除或更新它们，以找出正确的键，这样的话，要搜索200,000个键！
For example, the event is raised if an attempted update set a duplicate key, or if the original and update did not have UID values that align.
例如，如果尝试进行的更新设置了重复的键，或原始和更新没有对齐的uid值，都会引发事件。
In this case the row returned to RPG is dependent on which of the duplicate key handling DDS keywords (LIFO (default), FIFO or LCFO) were used when creating the keyed logical file.
在这种情况下，返回R PG的行取决于创建键逻辑文件时使用的是哪个用于处理DDS关键字的重复键(LIFO(默认值)、FIFO或LCFO)。
Duplicate photo URLs will not be allowed, because the URL is the key of the object.
复制照片url是不允许的，因为URL是对象的键。
Figure 24 defines the column to be used as the key to check the duplicate records.
图24定义了列，用作检查重复记录的键。
Simply running it twice will produce an error, because the same star names (which are the primary key for the table) are used again, causing an error with duplicate primary key values.
简单地运行两次会产生错误，因为相同的星星名称（作为表的主键）使用了两次，则会由于重复的主键值导致错误。
Each row of a table is uniquely identified by a primary key composed of one or more columns. This implies that a table may not contain duplicate rows.
表的每一行都是由一个唯一的主键标识的。主键由一列或多列构成。这意味表里不会有重复的行。
Recall that clients were defined with a primary key on the client ID column, so attempting to import duplicate rows will fail.
记得clients对客户ID列定义了一个主键，因此在尝试导入相同行时将失败。
When the user holds down a key , duplicate.
当用户按住某个键时，每次字符重复时。
I hereby authorize my delegate to duplicate my key.
我借此授权我的代表人为我配匙。
This paper intends to illustrate the data extracting system design, with focus on two key technologies in data extracting, namely, incremental data extracting and duplicate record detecting.
本文设计并实现了数据获取系统，主要研究数据获取中的两个关键技术：数据源增量数据获取技术和相似重复记录检测技术。
To order a key from a locksmith, the app produces a code that the locksmith can use to create the duplicate.
要直接向锁匠下单，应用会生成一个代码供锁匠配制钥匙。
Create a unique constraint to ensure no duplicate values are entered in specific columns that do not participate in a primary key.
创建唯一约束可确保在不参与主键的特定列中不输入重复值。
If a primary key consists of more than one column, duplicate values are allowed in one column, but each combination of values from all the columns in the primary key must be unique.
如果主键由一列以上组成，则其中一列允许重复值，但是主键中所有列的值的每种组合必须是唯一的。
What's more, the work suggests that some duplicate genes play a key role in the evolution of new traits and in speciation.
并且，研究工作表明，一些复制的基因在新的特征进化和物种形成过程中起到非常重要的作用。
A primary key is a constraint that assures that each table contains no duplicate rows.
主键是确保每个表都不包含重复行的约束。
A primary key is a constraint that assures that each table contains no duplicate rows.
主键是确保每个表都不包含重复行的约束。
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