注意，这假设从不更新键列；一旦一行存在了，它的主键值就不变了。
Note that this assumes that key columns are never updated; once a row exists, it is immutably tied to its primary-key value.
对于某一五行而言，当其它五行存在已出号时，该比例占优所具有的优先出号概率。
For 15 lines of some but speech, being other five lines of existence already number, that comparison has excellent have of have the initiative a number to all lead.
如果被请求的行存在，则 fetch()函数返回TRUE，如果被请求的行不存在，则返回FALSE。
The fetch() function returns TRUE if the requested row exists and FALSE if the requested row does not exist.
即使不存在不公平行为，只要简单地声称某一行业受到了进口产品的损害，就足以构成寻求救济的理由。
Even when no unfair practices are alleged, the simple claim that an industry has been injured by imports is sufficient grounds to seek relief.
但是如果他们与欧盟渐行渐远并且忘记它的存在，那么很多人会想念他们的。
But plenty of people would miss them if they wandered off and forgot that Europe exists.
通常这些行已经存在，只是将它们注释掉了。
Usually the lines are already there; they are just commented out.
注意，其中一些行可能已经存在，但是可以把它们注释掉。
Note that some of these lines may already exist, but they could be commented out.
在sibowner表的情况下，由于只有单个行，因此不存在需要试验和紧密放在一起的“相关数据”；不需要重组的原因应该是相对明显的。
In the case of the SIBOWNER table, there's only a single row, so there's no "related data" to try and place close together; it should be relatively apparent why no reorg is required.
随着攻击的进化，将会有工具辅助代码分析，代码分析可提供信息以帮助您找到存在漏洞的代码行。
As these attacks evolve there will be tools to assist with code analysis that will give information to help you find the lines of code where the vulnerabilities exist.
正如您所看到的，表中不存在含有C1235的行。
如果对应的空间行不存在，那么就不删除任何东西；这种情况不是异常，不会导致事务回退。
If the corresponding spatial row does not exist, there is simply nothing to delete; this condition is not an exception that causes a transaction to roll back.
事实上，面向文档的数据库中根本不存在表、行、列或关系。
In fact, there are no tables, rows, columns or relationships in a document-oriented database at all.
我们不再“阅读”，而在“搜索”—这一行为在制定专利权时尚未存在。
We are no longer reading. We're searching — a function that conveniently did not exist when the concept of copyright was established.
如果文件不存在，则认为它有零行。
If the file doesn't exist, it's treated as having zero lines.
因此，假定users表中至少存在一行，此SQL将始终返回非零的记录计数。
So, assuming there's at least one row in the Users table, this SQL will always return a nonzero count of records.
可通过以下SELECT检查行修改时间戳列是否存在。
The existence of a row change timestamp column can be queried by the following select.
在本例中，可以向数据库添加三个字符串：feed项目的标题；描述；一般行，通知存在符合标准的feed项目。
In this case, three alternative strings could be added to the database: the title of the feed item, the description, or a generic line that says there is a feed item that fits the criterion.
事实上，GartnerGroup于1999年指出，仍然存在超过2000亿行COBOL代码。
In fact, Gartner Group stated in 1999 that more than 200 billion lines of COBOL code are still in existence.
这种“一网打尽”的做法能确保用每个模型使用一行代码即可调用所有模型测试中存在的关系。
This catch-all ensures that with a single line of code per model, I can invoke all relationships on all of our model tests.
这些行和列的交汇表示了所有先前存在的实现，您不想或无需变更这些实现。
The intersection of those rows and columns represents all preexisting implementations, which you don't want or need to change.
标准的门户布局，由行和列组成；它在数据库中永久存在。
The standard portal layout, consisting of rows or columns; it persists in the database.
审计行非常关键，因为他们能核实你的顾问所管理的资产是否存在。
Auditors are crucial, since they verify the existence of the assets your adviser manages.
如果这一行不存在，那么该行将被忽略，并且被记录到异常表中。
If the row does not exist, then the row will be ignored and logged in the exception table.
锁定的另一个特例是需要锁定当前数据库行中不存在的项目。
Another special case of locking is the need to lock something where currently no database row exists.
如果不是空字符串，第12和13行检查指定的集群是否存在。
If not, Lines 12 and 13 check to see if the specified cluster exists.
返回的每一行保存在数据结构中，可以在SELECT和ENDSELECT关键字之间处理它们，直到没有更多行返回为止。
Each returned row is saved in the data structure and can be processed between the SELECT and ENDSELECT keywords until no more rows are returned.
一方面，没有显式地标明丢失的数据，而只是通过不存在的行和时间戳进行了简单的标记。
For one thing, missing data is not explicitly indicated, but is simply marked by an absent line and time stamp.
其次是处理需要更新的已存在的行。
目标工作表必须已经存在，并且必须已经定义了标题行的字段。
The target worksheet must already exist and must already have the fields of the header row defined.
灵性让你和你的“存在”连接，这样你就不会在所行、所做、所有中迷失。
Spirituality connects you to your "being" so you don't get lost in going, doing and having.
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