Using SQLite with a database abstraction layer.
使用SQLite和数据库抽象层。
PDO does not provide a database abstraction; it doesn't rewrite SQL or emulate missing features.
PDO并不提供数据提取，它不会重写SQL语句，或者模仿这些功能。
Drupal is written on top of a database abstraction layer, so the framework can be easily extended to other database back ends.
Drupal是在数据库抽象层上编写的，所以框架可以轻松地扩展到其他数据库后端。
MDB is a database abstraction layer that aims to make writing RDBMS independent PHP application development a straightforward process.
MDB是着眼于使得编写RDBMS无关的PHP程序成为简单的过程的数据库抽象层。
Adding an abstraction in the form of a DAO decouples the database implementation from the GUI implementation.
以DAO的形式添加一个抽象可以从GUI实现将数据库实现解耦。
A tablespace is an abstraction of a collection of containers into which database objects are stored.
表空间是存储数据库对象的容器集合的抽象。
Cursors are a common database abstraction that allow programs and you to view and, thereby, process the results of a query one row at a time.
游标是一种常见的数据库抽象，允许逐行查看和处理查询的结果。
A core extension since PHP 3, the Unified ODBC extension is the ideological ancestor of a fast, light database access abstraction for PHP.
从PHP3 开始出现的核心扩展 ——UnifiedODBC 扩展 ——是 PHP快速、轻型数据库访问抽象的理论先驱。
This is because virtual database abstraction in Slice follows a composite design pattern.
这是因为Slice内的虚拟数据库抽象遵循的是复合设计模式。
The MetaModel Database is an abstraction only and does not actually hold any data: It is simply a model.
MetaModel数据库仅仅是一种抽象，并没有实际保存任何数据：它只是一个模型。
The PEAR MDB2 package: Download a portable merge of the PEAR DB and Metabase PHP database abstraction layers for a common API for all supported RDBMS.
PEARMDB2包：下载可移植的PEARDB和Metabasephp数据库抽象层的合并包，提供所有受支持RDBMS的通用API。
This module-level scoping provides a degree of abstraction (data hiding) that lets you restrict visibility of the database to a specific module.
此模块级范围提供了一个抽象级别(数据隐藏)，允许您限制数据库对特定模块的可见性。
When you start to think of your data as an abstraction of a database table, you would expect these types of basic operations to be available.
当你开始将数据当成是数据库表的抽象时，你就会希望那些对数据进行的各类基本操作都是现成的。
Both provide abstraction from the choice of a particular database.
两者都从特定数据库选择提供抽象。
By using the view abstraction between the application server and the physical database tables, we are able to keep information stored in a persistence table even if the EJB is redeployed.
通过在应用服务器和物理数据库表之间使用视图抽象，即使重新部署EJB，也可以使信息存储在持久性表中。
Although EJBQL is a subset of true SQL, it provides abstraction so that no manual editing of SQL is necessary when changing database vendors.
尽管EJBQL只是真正SQL的子集，但是它进行了抽象，所以在更改数据库厂商时不需要手工编辑SQL。
PHP's database accesses are done using PEAR: : DB, a handy database abstraction layer that allows the same database-access code to be used regardless of what database is implemented.
PHP的数据库访问是使用PEAR：DB完成的，这是一个方便的数据库抽象层，不管数据库是如何实现的，它都可以使用相同的数据库访问代码。
Entity beans are an abstraction of data that is usually stored in a database.
实体bean是通常保存在数据库中的数据的抽象。
Slice introduces the abstraction of a virtual database to encompass the underlying physical database partitions or shards.
Slice引入了抽象的虚拟数据库来绕过底层的物理数据库分区或划分。
Spring DAO: the Spring JDBC DAO abstraction layer offers a meaningful exception hierarchy for managing the exception handling and error messages thrown by different database vendors.
SpringDAO：JDBC DAO抽象层提供了有意义的异常层次结构，可用该结构来管理异常处理和不同数据库供应商抛出的错误消息。
Because this database is external to PHP, you'll use a database-abstraction module with the responsibility of providing a homogeneous interface to PHP's different vendor-specific database functions.
由于该数据库是php之外的，所以将使用数据库抽象模块，其职责是为PHP中各种不同的特定于供应商的数据库函数提供同类接口。
Most readers probably find themselves in a position where they already have a number of applications that run on some other database abstraction layer.
大部分读者可能发现它们处于这样的境地——他们已经有了大量运行于其他数据库抽象层的程序。
Most other so called database abstraction layers for PHP only provide a common API for all supported databases and only very limited abstraction (mostly only for sequences).
大部分其他的PHP的所谓数据库抽象层紧紧给所有支持的数据库提供了一个公用api以及非常有限的抽象(大部分只是针对序列的)。
JDBC offers fairly good abstraction from the underlying database, but is a painful API to use. Some of the problems include.
JDBC提供还算不错的数据库抽象，但是需要用痛苦的API。这些问题包含。
PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data.
PDO提供了一个数据访问抽象层，这就意味着，不管你使用的是哪种数据库，你都可以用同样的函数去进行查询的获取数据。
An abstraction that represents the mapping between a database and domain objects.
一个表示数据库和域对象之间的映射的抽象。
With the data processing and information abstraction becoming the focus of calculating environment nowadays, there are a lot of problems related to be solve in the concurrent control database.
随着数据处理和信息提取成为现今计算环境的焦点，在现实应用中如何实现数据库并发控制出现了许多问题需要解决。
With the data processing and information abstraction becoming the focus of calculating environment nowadays, there are a lot of problems related to be solve in the concurrent control database.
随着数据处理和信息提取成为现今计算环境的焦点，在现实应用中如何实现数据库并发控制出现了许多问题需要解决。
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