SQL文本：
update (select a.IS_NEW_VER, a.update_time from T_DOC_RELA a inner join T_DOC_INFO b on a.doc_id = b.doc_id where a.prj_id = :1 and a.UPLOAD_NODE_ID = :2 and b.doc_name = :3 and b.doc_type = :4) t set t.IS_NEW_VER = 0, t.update_time = sysdate

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| Id  | Operation                      | Name                | Rows  | Bytes | Cost (%CPU)| Time     |
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|   0 | UPDATE STATEMENT               |                     |       |       |    13 (100)|          |
|   1 |  UPDATE                        | T_DOC_RELA          |       |       |            |          |
|   2 |   NESTED LOOPS                 |                     |     1 |   192 |    13   (0)| 00:00:01 |
|   3 |    NESTED LOOPS                |                     |     1 |   192 |    13   (0)| 00:00:01 |
|*  4 |     TABLE ACCESS BY INDEX ROWID| T_DOC_INFO          |     1 |   104 |     7   (0)| 00:00:01 |
|*  5 |      INDEX RANGE SCAN          | IDX_DOC_NAME        |     2 |       |     5   (0)| 00:00:01 |
|*  6 |     INDEX RANGE SCAN           | IDX_DOC_RELA_DOC_ID |     1 |       |     4   (0)| 00:00:01 |
|*  7 |    TABLE ACCESS BY INDEX ROWID | T_DOC_RELA          |     1 |    88 |     6   (0)| 00:00:01 |
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