In this activity, you add documentation to every element in the model, including every column, every table, every constraint, and every trigger.
在这种情况中，你把文档添加到模型的每一个元素中，包括每个列，每个表，每个约束和每个触发器。
After this verification, the utility creates a sequence object with an increment value of 1, and then creates a trigger for the associated table.
完成验证后，实用程序即创建一个增量值为1的序列对象，并为相关联的表创建一个触发器。
A trigger can only be associated with a table and not a view.
一个触发器只能关联一个表，而不能关联一个视图。
Also, specify the table name that is associated with the trigger.
而且，需要指定与该触发器相关的表的名字。
NOTE in the case of a single, integrated table, this trigger is not needed at all; once a row is deleted, that's it.
注对于添加了空间列的源表，根本不需要这个触发器；一旦删除了一行，它就消失了。
A trigger is an action that is executed when an operation is executed on a table.
触发器是当一个操作在一个表上执行时执行的操作。
A database trigger is program residing in the database that runs when an event, such as an update, occurs on a table in the database.
数据库触发器是驻留在数据库中的程序，当数据库中的表发生更新之类的事件时会运行该触发器。
Note: Alternatively you can create a database trigger to capture every INSERT on your table and tell it to validate the data as XML using the XMLVALIDATE function before performing the INSERT.
注意：您也可以选择创建一个数据库触发器来捕捉表上的每个INSERT操作，并告诉它在执行INSERT之前使用XMLVALIDATE函数验证XML数据。
A procedure with a table parameter can only be invoked from the triggered action of a trigger.
带有表参数的过程只能从触发器的触发操作调用。
In the case of a database, for example, a trigger may be used to update a change tracking table immediately after a row is updated.
以数据库为例，可能会使用触发器在更新行之后立即更新更改跟踪表。
In Oracle 10g, if there is a BEFORE INSERT TRIGGER and a NOT NULL constraint on a table, then the BEFORE TRIGGER is executed first, and then the constraint check is performed.
在Oracle10g中，如果表上同时存在BEFORE INSERT触发器和NOT NULL约束，那么先执行BEFORE触发器，然后执行约束检查。
If one or more insert triggers are defined on a table, each insert will result in the execution of the actions prescribed in the trigger definition.
如果在一个表上定义了一个或多个进行insert操作的触发器，那么每次的insert都将引起触发器定义中的动作的执行。
The following code is a DDL statement to create the customer table and a trigger defined on the table.
以下代码是一个DDL语句，用于创建customer表和根据该表定义的触发器。
When a specified SQL operation — a DELETE, INSERT, or UPDATE — occurs on a table, a trigger can be activated that defines a set of actions.
当一个指定的SQL操作(如DELETE,INSERT，或者是UPDATE操作)作用于某张表时，一个定义了一组操作的触发器就可以被激活。
Using the new DataBlade API routines, you can write a general purpose user-defined routine that can you can use to audit any table and any trigger event.
通过使用新的DataBladeAPI 例程，可以编写通用的用户定义例程来审计表和触发器事件。
An after-insert trigger on the IWH.EDITION table is not useful, as only rows with a status value of start would be intercepted.
edition表上的after - insert触发器并非很有用，因为它只能截获其status值为start的记录行。
REFERENCING clause: This clause can be used to define a trigger routine for a table object whose for EACH ROW actions can invoke the trigger routine.
REFERENCING clause：该子句为表对象定义触发器例程，这些表对象的FOR EACH ROW操作必须能够调用触发器例程。
You can activate trigger trace by using the trigger command-line keyword, which determines which of the actions in Table 2 are taken when that event occurs.
可以使用trigger命令行关键字激活触发跟踪，这个关键字决定在发生事件时执行表2中的哪些操作。
The table WIP_FULL_ARCHIVE, is continuously growing in size since a trigger mechanism trickle-feed data into that archive table from the IWH.EDITION table.
表 WIP_FULL_ARCHIVE 的大小持续增长，因为触发器机制会将数据一点点地从 IWH.EDITION 表中填入档案表。
When either of the coordinate columns in the source table is updated, a new point geometry must be constructed. The update trigger looks like this
当更新源表中的坐标列时，必须构造一个新的点几何值。
We add a trigger to database so that every update to a record in the table increments the revision counter.
向数据库添加触发器，以便对该表中的记录的每个更新都会导致修订计数器递增。
The replication target (on the local system) would be a real table, so the trigger-based mechanism outlined in this article would work.
复制目标（在本地系统上）是一个真正的表，所以本文中描述的基于触发器的机制是可行的。
If an XML validation check constraint exists on the XML column of the table, the user may need to validate the new XML value before the update either manually or by creating a trigger.
如果在表的xml列上存在XML验证检查约束，在手动更新或者通过触发器更新之前，用户可能需要验证新的xml值。
IT is continuously populated by the trigger mechanism defined on the IWH.EDITION table.
edition表上所定义的触发器机制将连续填充该表。
The trigger instead of is not supported on views if the target table is a view.
如果目标表是视图，则触发器 instead of不支持视图。
The before trigger and check constraint on a table XML value always ensures that the XML values are valid as per the specified schema.
对一个表XML值应用before trigger和检查约束，往往可以确保 XML值对于指定模式是有效的。
To keep the date-time stamp or version number accurate, you need to set up a trigger on the table to update it when a change to a row occurs.
为了确保日期时间戳或版本号的准确性，您需要在表上设置触发器，以便在发生对行的更改时，对日期时间戳或版本号进行更新。
The new table 'test'. '_online_table_new' does not have a PRIMARY KEY or a unique index which is required for the DELETE trigger.
原表需要一个主键或则唯一索引，因为删除的触发器需要，否则数据不会被复制。
The designation takes future database operating into consideration, takes rationally anti-standard, table space division, index, storage process and trigger to upgrade database's performance.
在设计中还充分考虑未来数据库运行的性能问题，合理使用反规范、表空间划分、索引、存储过程及触发器等设计方法来提高数据库的性能。
If you try to delete rows from such a table, the trigger rolls back the delete.
如果尝试删除这类表中的行，该触发器将回滚删除操作。
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