现在您可以用最少的工作扩展数据库并回滚。
Now you can extend the database and rollback changes with minimal effort.
随数据量的增多，我们需要扩展数据库以处理新的承租者。
As the amount of data increases, we need to scale the database to handle new tenants.
应用实体扩展数据库技术，使特征携带非几何信息；
The feature schleps its information of non-geometry by database-externed technique of the entity.
它们还包含了对象的概念，并且可以扩展数据库服务器的功能，更好地配合您的业务模型。
They also include object concepts and the capabilities to extend the database server capabilities to better fit your business model.
Developing类别则包含与sql语句、应用程序开发和扩展数据库服务器等有关的文档。
The Developing category contains documentation related to SQL statements, application development, and extending the database server.
下一步要做的就是要继续丰富扩展数据库了，数据库中的当代信息不少，现在特别要将历史信息也揉进数据库。
The next step is to enlarge the trove of data further-in particular by adding historical information to the contemporary sort already in it.
扩展生产和测试环境中的数据库自动定位功能，以便进行监控和保护。
Extends capabilities to automatically locate all databases, in both production and test environments, for monitoring and protection.
由此审计扩展应用程序使用的数据库的连接细节。
Connection details for the database used by the audit extension application.
NIS+还对命名系统进行了扩展，因此数据库将放入树形结构中（而不是单个域中），以便允许更为复杂、范围更广的分布。
NIS+ also extended the naming system so that databases were placed into a tree structure rather than a single domain, allowing for much more complicated and wider-ranging distribution.
这与传统的PHP数据库扩展有很大的不同。
The is an important difference from the traditional PHP database extensions.
PHP4包含十多个不同的专用数据库扩展，针对特定的数据库功能和性能进行优化。
PHP 4 contains more than a dozen different database-specific extensions optimized for a particular database's functionality and performance.
实现pdo接口的每个数据库驱动程序可以选择公开附加的数据库专用特性作为标准扩展功能。
Each database driver that implements the PDO interface has the option of exposing additional database-specific features as regular extension functions.
该扩展提供了坚实的数据库访问特性的子集，非常适合PHP4，仍然可在 PHP 5 中使用。
The extension provides a solid subset of database access features that are ideally suited for PHP 4 and continue to be available in PHP 5.
在大多数情况下，重构意味着要扩展后端数据库或文件操作的能力，从而更好更明智地进行锁定。
For the most part, it will mean scaling up the actual back-end database or file manipulation to allow for better and smarter locking.
这条指导原则有意利用XML技术来扩展领先它的数据库。
This guideline is intended to make use of XML technology to extend the database efforts that preceded it.
DB 2 9.7扩展了DB 2数据库分区特性(DPF)，支持XML和关系数据。
DB2 9.7 extends the DB2 database partitioning feature (DPF) to support both XML and relational data.
相应数据库的PHP扩展应该已经安装和启用。
The PHP extension for connecting to your chosen database must be installed and enabled.
它可随数据库进行扩展，并且特定于XML的优化使得它具有比CLOB更好的性能。
It scales with the database, and XML-specific optimizations give it better performance than CLOBs.
这个经典的讨论应用程序数据库可扩展至 200个并发用户。
The classic discussion application database scaled up to 200 concurrent users.
但是关系数据库难于扩展是出了名的。
But relational databases are notoriously difficult to scale.
纵向扩展通常用于数据库层。
Vertical scaling is typically employed for the database tier.
您将使用PHPPDO扩展连接到DB 2数据库。
You will use the PHP PDO extension to connect to the DB2 database.
该Toad扩展可以对数据库相关代码进行语义和语法上的验证。
The Toad Extension does semantical and syntactical validation of the database related code.
新的管理功能，包括对关键数据库工具的扩展。
New administrative capabilities, including extensions to key database utilities
我们将使用HibernateShards (Hibernate的一个扩展)解决SaaS应用程序的数据库扩展问题，并向Hibernate用户提供分片的功能。
We will address the database scaling issues of SaaS applications using Hibernate Shards, which is an extension of Hibernate, and makes available the features of sharding to Hibernate users.
针对不同的负载把数据扩展到不同的数据库上。
Scale-out data into different databases for different workloads.
这个版本扩展了对大型数据库环境和灾难恢复的支持。
This release extends support for large database environments and disaster recovery.
它是关系数据库的可扩展性部分。
我们一旦在概念上完成这一飞跃，就会了解数据库的可扩展性是关系数据库的自然演变的一部分。
Once we make the leap in concept, it becomes obvious that database extensibility is part of the natural evolution of relational databases.
我们一旦在概念上完成这一飞跃，就会了解数据库的可扩展性是关系数据库的自然演变的一部分。
Once we make the leap in concept, it becomes obvious that database extensibility is part of the natural evolution of relational databases.
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