| Summary information | |
|---|---|
| Default value | 0 (off) | 
| Range of values | 0 (off), 1 (on) | 
| Status | Dynamic | 
| Display level | Comprehensive | 
| Required role | System administrator | 
| Configuration group | Query Tuning | 
abstract plan cache enables caching of abstract plan hash keys. See Chapter 12, “Creating and Using Abstract Plans” in the Performance and Tuning Series: Query Processing and Abstract Plans. abstract plan load must be enabled for plan caching to take effect.