DBMS automatically fires the trigger as a result of a data modification to the associated table.
当关联的表发生改变时,DBMS自动激发触发器。
In OLTP systems, end users routinely issue individual data modification statements to the database.
在OLTP系统中,最终用户日常性地向数据库发布个人数据更新的语句。
In most Web applications, you would want to restrict Posting access and other forms of data modification.
在大多数Web应用程序中,都会希望限制这种访问和其他形式的数据修改。
If you have very frequent data modification operations and less queries, you should focus on good write performance.
如果有很多数据修改操作,而查询较少,那么应该将注意力放在好的写性能上。
When there is any data modification to the user tables, the catalog statistics tables are not automatically modified.
当用户表中发生数据修改时,目录统计信息表不会自动被修改。
The first data modification technique discussed was data deletion, which is performed by using the SQL DELETE statement.
讨论的第一种数据修改技术是数据删除,这通过使用SQLdelete语句来执行。
A data warehouse is updated on a regular basis by the ETL process (run nightly or weekly) using bulk data modification techniques.
数据仓库定期地通过ETL过程(每个晚上或者每周运行)来更新,ETL过程使用大块的数据更新技术。
The result demonstrates that the measurement accuracy and the anti-jamming ability can be increased by using the data modification.
测试结果表明:利用数据平滑处理方法,可以提高传感器测量准确度和抗干扰能力。
Based on the functions of data modification, filtration and sorting, the display and print of any graph, curve and log are realized.
对任意定义的数据,在完成修改、过滤、排序等功能的基础上,还可实现任意复杂的图形曲线、报表显示与打印。
With all this background information at hand, let's look at building an example application that utilizes the YQL data modification capabilities.
在掌握了所有这些背景信息之后,让我们来看一下如何使用YQL数据修改功能来构建一个示例应用程序。
You will have to determine whether the gains in query performance outweigh the affect to performance during data modification and in additional disk space requirements.
您应该确定修改数据时在查询性能上的提升是否超过了对性能的影响,以及是否需要额外的磁盘空间要求。
The data modification stored procedure will run the "Trigger.bat" utility on the database server which in turn triggers the import deployment agent in the target environment.
数据修改存储过程将在数据库服务器上运行“Trigger . bat”实用工具,这又会在目标环境中触发导入部署代理。
Of course, all that data modification isn't of much value if you can't easily convert back into the textual format mentioned in this article. That's also trivial in JavaScript
当然,如果不能轻松地将对象转换回本文提到的文本格式,那么所有数据修改都没有太大的价值。
Most web services that allow these operations require a username, password, and/or API key to perform data modification; you can usually obtain these credentials for free from each service's website.
支持这些操作的大部分web服务都需要一个用户名、密码和/或AIP键来执行数据修改;通常您可以从每个服务的网站免费获取这些凭据。
Implementations of this model handle construction, modification, and serialization of the XML data.
此模型的实现处理XML数据的构造、修改和序列化。
The first data-modification technique this article will address is deleting data.
本文将介绍的第一个数据修改技术是删除数据。
One particular modification for the LDAP data is to consider '(' and') 'as word boundary indicators.
针对LDAP数据的一项特殊修改是考虑将'('和')'作为查询词边界指示符。
Because the arrows for the nodes point in only one direction, no modification to the data has to be made to use a sublist.
由于节点的箭头只指向一个方向,所以无需对数据进行任何修改就可以将其用作子列表。
Every database management system must be able to protect data against unauthorized access and modification.
每个数据库管理系统都必须能保护数据不会受到未授权访问和修改。
XAPI covers storage, retrieval, modification, and querying of data in an XML database, with support for transaction management.
XAPI涵盖了XML数据库中数据的存储、检索、修改和查询,以及对事务管理的支持。
That way, testing if an application still works if the data is modified is really simple and does not require any modification of the source code.
这样一来,测试数据修改后应用程序是否还能工作就显得异常简单,无须修改任何源代码。
By default, the AUTOCOMMIT mode is on, and any data-modification process causes a commit operation to be performed - which, by default, closes any open cursors.
默认情况下,AUTOCOMMIT处于启用状态,并且所有数据修改过程都将导致执行一次提交操作——该操作在默认情况下将关闭所有打开的游标。
Second, each data validation point requires code modification.
第二,每个数据验证点需要代码修饰。
Encapsulating the mapping in a lookup relationship makes it reusable and increases flexibility by enabling modification of the mapping data at runtime.
查询关系中封装映射时,可通过在运行时支持修改映射来提供可重用性和提高灵活性。
Setting up an virtual network requires little modification of the customer's data center network infrastructure.
构建虚拟网络几乎不需修改用户的数据中心基础架构。
These handlers are called throughout the generation and rendering process and allow modification of report properties, like changing font colors, the data value, and calling external code.
我们可以在报表产生和渲染阶段调用这些事件处理器,并且这些事件处理器还能修改报表属性,比如改变字体颜色,数据值以及调用外部代码。
This knowledge is used to ensure that the creation and modification of instance data conforms to the structure and type rules for the data object.
该知识用于确保对实例数据的创建和修改符合数据对象的结构和类型规则。
Once this data is captured, it needs some modification in order for it to be useful in the disaster data center.
捕获此数据后,需要进行一些修改,才能在灾难数据中心中使用。
The General Details TAB shows some of the same information shown in Figure 14, in addition to a long description, version, modification history, and other data.
选项卡显示与图14相同的一些信息,还显示长描述、版本、修改历史和其他数据。
In my sample code, I write to yet another XML file (conversionsdelete.xml) to show you how the WebRowSet represents our modification of the data in XML form.
在我的示例代码中,我还写入了另一个xml文件(conversionsdelete . xml),以展示WebRowSet是如何以xml格式表示数据修改的。
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