V$RULE_SET displays rule set statistics. This view has a row for every rule set loaded into shared memory.
Note:
Querying theV$RULE_SET view may have a negative impact on performance if a database has a large library cache.| Column | Datatype | Description |
|---|---|---|
OWNER |
VARCHAR2(30) |
Owner of the rule set |
NAME |
VARCHAR2(30) |
Name of the rule set |
CPU_TIME |
NUMBER |
Total CPU time (in hundredths of a second) spent in evaluation of the rule set |
ELAPSED_TIME |
NUMBER |
Total elapsed time (in hundredths of a second) spent in evaluation of the rule set |
FIRST_LOAD_TIME |
DATE |
First time the current cached copy of the rule set was loaded |
LAST_LOAD_TIME |
DATE |
Last time the current cached copy of the rule set was loaded |
LAST_LOADING_TIME |
NUMBER |
Total elapsed time (in hundredths of a second) spent to load the rule set the last time it was loaded |
SHARABLE_MEM |
NUMBER |
Shared memory (in bytes) used by the rule set |
RELOADS |
NUMBER |
Number of times the rule set object was reloaded in shared memory |
INVALIDATIONS |
NUMBER |
Number of times the rule set object was invalidated |
EVALUATIONS |
NUMBER |
Number of evaluations on the rule set |
FIRST_HIT_EVALUATIONS |
NUMBER |
Number of evaluations on the rule set, with stop_on_first_hit set to TRUE |
SIMPLE_RULES_ONLY_EVALUATIONS |
NUMBER |
Number of evaluations on the rule set, with simple_rules_only set to TRUE |
SQL_FREE_EVALUATIONS |
NUMBER |
Number of evaluations on the rule set which did not internally issue SQL to evaluate rules |
SQL_EXECUTIONS |
NUMBER |
Total number of SQL statements executed during evaluation of the rule set |
CONDITIONS_PROCESSED |
NUMBER |
Total number of fast (indexed) conditions processed during evaluation of the rule set |
TRUE_RULES |
NUMBER |
Total number of TRUE rules returned during evaluation of the rule set |
MAYBE_RULES |
NUMBER |
Total number of MAYBE rules returned during evaluation of the rule set |
VARIABLE_VALUE_FUNCTION_CALLS |
NUMBER |
Total number of calls made to user-defined functions to retrieve variable values (specified by the variable_value_function field in RE$VARIABLE_TYPE) made during evaluation of the rule set |
VARIABLE_METHOD_FUNCTION_CALLS |
NUMBER |
Total number of calls made to user-defined functions to retrieve variable method values (specified by the variable_method_function field in RE$VARIABLE_TYPE) made during evaluation of the rule set |
EVALUATION_FUNCTION_CALLS |
NUMBER |
Total number of calls made to user-defined evaluation functions (specified as the evaluation_function argument to the DBMS_RULE_ADM.CREATE_EVALUATION_CONTEXT procedure) made during evaluation of the rule set |