Folders and files
| Name | Name | Last commit date | ||
|---|---|---|---|---|
parent directory.. | ||||
| layout | pattern | ||
|---|---|---|---|
| title | Data Access Object | ||
| folder | dao | ||
| permalink | /patterns/dao/ | ||
| categories | Persistence Tier | ||
| tags |
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Object provides an abstract interface to some type of database or other persistence mechanism.
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