| 1. | The persistent classes aim to make data persistence easy
Persistent类旨在使数据持久性变得简单。 |
| 2. | Look at the home page of the persistent classes see
有关文档和示例，请参阅persistent类主页（请参阅 |
| 3. | Inheriting from persistent classes
从persistent类继承 |
| 4. | The cpan persistent classes are powerful allies in your search for data persistence solutions
Cpan persistent类是您搜索数据持久性解决方案时的有力帮手。 |
| 5. | With experience , you may find that the best way to use persistent classes is to inherit from them
通过使用，您将发现，使用persistent类的最好方法是继承它们。 |
| 6. | See " inheriting from persistent classes " for a way to isolate programs from the database choice by using inheritance
有关通过使用继承来将程序与数据库选项隔离的方法，请参阅 |
| 7. | In the persistent classes , the datastore is an abstract storage device , which can be a file or a database , for example
在persistent类中，数据存储器是抽象存储设备，例如，它可以是文件或数据库。 |
| 8. | By dave winters , has additional information about the persistent classes on this page , which you can also find on the cpan search page
上有关于persistent类的详细信息，也可以在cpan搜索页上找到。 |
| 9. | Remember that good design and a clear definition of the attributes are just as important as the persistent classes in achieving successful data persistence
请记住，在实现成功的数据持久性时，好的设计和属性的清晰定义与persistent类同等重要。 |
| 10. | The table must match the definition of your attributes ; for example , the primary database key for the equations table must be the primary key of the persistent class as well
表必需与属性定义匹配，例如，等式表的主数据库键必须也是persistent类的主键。 |
