481 B
481 B
layout, title, folder, categories, tags
| layout | title | folder | categories | tags |
|---|---|---|---|---|
| pattern | Data Access Object | dao | pattern_cat | pattern_tag |
Intent: Object provides an abstract interface to some type of database or other persistence mechanism.
Applicability: Use the Data Access Object in any of the following situations
- when you want to consolidate how the data layer is accessed
- when you want to avoid writing multiple data retrieval/persistence layers