| Interface | Description | 
|---|---|
| DatabaseLookupData.Cache | 
 Cache for  
DatabaseLookup step. | 
| Class | Description | 
|---|---|
| DatabaseLookup | 
 Looks up values in a database using keys from input streams. 
 | 
| DatabaseLookupData | |
| DatabaseLookupMeta | |
| DefaultCache | 
 Old code, copied from DatabaseLookup 
 |