DDL
美 
英
- n.二极管二极管逻辑电路
- 网络数据定义语言(Data Definition Language)；资料定义语言；数据描述语言(data description language)
英汉解释
例句
For this reason, all DDL statements (and a few other statements as well) are recorded before they are attempted.
因此，所有DDL语句（以及其它几个语句）都在被尝试之前记录下来。
With a few clicks you are able to get the Physical Data Model of a DB2 and the DDL scripts to create the tables.
通过一些简单的点击操作，您就能够得到DB2的物理数据模型以及DDL脚本来创建数据表。
A DDL Trigger can fire after execution of any Transact-SQL event that belongs to a predefined grouping of similar events.
可以在执行属于一组预定义的相似事件的任何Transact-SQL事件后触发DDL触发器。
This can help isolate the effects of DDL changes to only those applications that use parts of that changed schema.
这有助于将DDL更改的效果局限到那些使用那个已更改的架构的部分的应用程序。
A physical data model can be used to generate data definition language (DDL) statements which can then be deployed to a database server.
可以使用物理数据模型来生成数据定义语言（DDL）语句，然后可以将这些语句部署到一个数据库服务器上。
If you generate a Java stored procedure, it has a DDL tab and a Java tab, as shown in Figure 8.
如果您生成了一个Java存储程序，将会有一个DDL选项卡和一个Java选项卡，如图8所示。
Is the name of a Transact-SQL language event that, after execution, causes a DDL trigger to fire.
执行之后将导致激发DDL触发器的Transact-SQL语言事件的名称。
Optionally, data modeler can transform a LDM into a physical database schema and DDL using Rational Data Architect.
数据建模师还可以选择使用RationalDataArchitect将LDM转换为一个物理数据库模式和DDL。
The DDL trigger fires after execution of any Transact-SQL language event that belongs to event_group.
执行任何属于event_group的Transact-SQL语言事件之后，都将激发DDL触发器。
The next step in creating the stored procedure is to issue the CREATE PROCEDURE DDL to register the procedure in the database.
创建存储过程的下一步是执行CREATEPROCEDUREDDL，在数据库中注册该存储过程。
However, when you deploy to production, you will include the GRANT statements in the same DDL as you use to create the database structure.
然而，当您部署到生产数据库时，您将在用来创建数据库结构的同一个DDL中使用这些GRANT语句。
During DDL replay, the default schema is overridden to the target schema if it matches the source schema.
在DDL重新执行期间，如果默认模式与源模式匹配，那么它被改为目标模式。
For more information about this task, see Analysis Services Execute DDL Task.
有关此任务的详细信息，请参阅AnalysisServices执行DDL任务。
DDL triggers do not fire in response to events that affect local or global temporary tables and stored procedures.
对于影响局部或全局临时表和存储过程的事件，不会触发DDL触发器。
The sample code provides the Data Definition Language (DDL) and Integration Exchange Format (IXF) files which make up the structure.
该样本代码提供了组成该结构的数据定义语言（DataDefinitionLanguage，DDL）和集成交换格式（IntegrationExchangeFormat，IXF）文件。
You can select the tables that you want to migrate and extract the DDL into a file.
此时可以选择所要迁移的表，并将DDL提取到一个文件。
Added an important note that recommends testing DDL triggers to determine their responses to system stored procedures that are executed .
添加了一个重要通知，该通知建议测试DDL触发器以确定其对所执行系统存储过程的响应。
You can determine the types of locks being used from the Data Definition Language (DDL) schema files used to create the database.
根据创建数据库所使用的数据定义语言（DDL）模式文件，可以确定正在使用的锁类型。
Event notifications do not fire if the event in the corresponding DDL statement is rolled back.
如果回滚相应DDL语句中的事件，则事件通知不会触发。
You can reverse engineer your database into a model using a DDL file or from the database itself.
可以对DDL文件或数据库本身进行反向工程，生成数据模型。
The catalog views and system stored procedures listed in this section can be used to get information about DDL Triggers.
本节列出的目录视图和系统存储过程可用于获取有关DDL触发器的信息。
Like their relational counterparts, these new XML indexes are created with a familiar SQL DDL statement: CREATE INDEX.
与关系索引相似，这些新的XML索引也是用熟悉的SQLDDL语句创建的：CREATEINDEX。
Browse to the location of the DDL file, and select the options for how you want your diagram to look.
浏览到DDL文件的位置并选择设置图表外观的选项。
DBLookTask. java: provides access to the dblook command-line utility which allows DDL to be exported for a given database.
java：提供对dblook命令行实用程序的访问，该实用程序允许导出用于给定数据库的DDL。
Lists index DDL operations that do and do not require additional temporary disk space.
列出需要和不需要额外临时磁盘空间的索引DDL操作。
Trace events generated by DDL are always generated, regardless of whether the DDL statement is rolled back.
无论是否回滚DDL语句，都将始终生成DDL生成的跟踪事件。
This task does absolutely nothing more than output the DDL for a database to a file.
该任务惟一要做的就是将一个数据库的DDL输出到文件中。
SQL has two main components: a Data Definition Language (DDL) and a Data Manipulation Language (DML).
SQL有两个主要部分：数据定义语言（DDL）和数据操纵语言（DML）。
Registered custom stored procedure or script is executed at the end of the data definition language (DDL) trigger .
DDL触发器激发存储过程以响应各种数据定义语言（DDL）事件。
Modifies the definition of a DML, DDL, or logon trigger that was previously created by the CREATE TRIGGER statement.
修改CREATETRIGGER语句以前创建的DML、DDL或登录触发器的定义。
Other DDL operations against the index may cause the value of the statistics to be reset to zero.
对索引执行的其他DDL操作可能导致统计信息的值被重置为零。
DDL triggers can be used to audit or regulate changes to a database schema.
DDL触发器可用于审核或控制对数据库架构的更改。
As it traverses through the XML schema, it also creates the DDLs for the relational schema.
当它穿过XML模式时，也创建用于关系模式的DDL。
When invoked from a particular object node, it displays the DDL used to create that particular object.
当从某个特定对象节点调用时，将显示用于创建该对象的DDL。
The Data Definition Language (DDL) part of SQL permits database tables to be created or deleted.
数据定义语言（DDL）为SQL中的一部分，可以让数据表建立或是删除。
Following best practices, the database for a messaging engine is created by executing a generated DDL script.
按照最佳实践，消息传递引擎的数据库是通过执行生成的DDL脚本创建的。
Multiple DDL triggers can be dropped per DROP TRIGGER statement only if all triggers were created using identical ON clauses.
仅当所有触发器均使用相同的ON子句创建时，才能使用一个DROPTRIGGER语句删除多个DDL触发器。
However, concurrent DDL operations, and concurrent DML operations that acquire Sch-M locks, cannot be performed on the table.
但是，无法针对表执行获取Sch-M锁的并发DDL操作和并发DML操作。
The result of the db2look call is a file sales. ddl containing the CREATE TABLE statement for table SALES.
db2look调用的结果是sales.ddl文件，其中包含SALES表的CREATETABLE语句。
As a result of the last action, the table is dropped from the PDP schema, and the option to generate left delta DDL is enabled (Figure 42).
最后，表被从PDP模式中删除，并且generateleftdeltaDDL选项被启用（图42）。
