explain plan for
select * from person
where person_id = 3
;
plan FOR succeeded.
select * from table( dbms_xplan.display );
Plan hash value: 3101872853
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| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
--------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 8 | 1 (0)| 00:00:01 |
| 1 | TABLE ACCESS BY INDEX ROWID| PERSON | 1 | 8 | 1 (0)| 00:00:01 |
|* 2 | INDEX UNIQUE SCAN | SYS_C0010997 | 1 | | 0 (0)| 00:00:01 |
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Predicate Information (identified by operation id):
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2 - access("PERSON_ID"=3)