Overview
V$SQL_WORKAREA_HISTOGRAM displays the cumulative execution statistics of all workareas, for example, the total number of fully in-memory executions consumed 1 MB to 2 MB of memory and the number of executions in one pass mode.
Field description
| Field name | Type | Nullable | Description |
|---|---|---|---|
| LOW_OPTIMAL_SIZE | NUMBER(38) | NO | The minimum memory for the workarea in optimal mode. |
| HIGH_OPTIMAL_SIZE | NUMBER(38) | NO | The maximum memory for the workarea in optimal mode. |
| OPTIMAL_EXECUTIONS | NUMBER(38) | NO | The number of executions in optimal mode in the workarea with a memory between LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| ONEPASS_EXECUTIONS | NUMBER(38) | NO | The number of executions in one pass mode in the workarea with a memory between LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| MULTIPASSES_EXECUTIONS | NUMBER(38) | NO | The number of executions in multipasses mode in the workarea with a memory between LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| TOTAL_EXECUTIONS | NUMBER(38) | NO | The total number of executions in the workarea. |
| CON_ID | NUMBER(38) | NO | The ID of the tenant. |