SCOTT@PDBORCL> select * from emp where empno=7369;
执行计划
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Plan hash value: 2949544139
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| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
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| 0 | SELECT STATEMENT | | 1 | 38 | 1 (0)| 00:00:01 |
| 1 | TABLE ACCESS BY INDEX ROWID| EMP | 1 | 38 | 1 (0)| 00:00:01 |
|* 2 | INDEX UNIQUE SCAN | PK_EMP | 1 | | 0 (0)| 00:00:01 |
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Predicate Information (identified by operation id):
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2 - access("EMPNO"=7369)
统计信息
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69 recursive calls
0 db block gets
95 consistent gets
21 physical reads
0 redo size
898 bytes sent via SQL*Net to client
533 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
8 sorts (memory)
0 sorts (disk)
1 rows processed
SCOTT@PDBORCL>
