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。
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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