NOT EXISTS优化

INSERT INTO F_PTY_INDIV

  (PTY_ID,

   PTY_NAME,

   GENDER_CD,

   BIRTHDAY,

   CERT_TYPE,

   CERT_NO,

   SOCINSUR_NO,

   COUNTRY_CD,

   NATION,

   POLITICS_CD,

   MARRIAGE_STAT,

   FAMILY_ADDR,

   FAMILYZIP,

   EMAILADD,

   HOME_PHONE,

   SPU_MOBILE,

   UNITKIND,

   CUST_NAME,

   COMPANY_ADDR,

   COMPANY_TEL,

   VOCATION_CD,

   TITLE_CD,

   TOPEDU_CD,

   TOP_DEGREE_CD,

   FINANCE_OR_NOT,

   OWNBANK_FLAG,

   INPUT_ORG,

   INPUTUSERID,

   UPDATE_DATE,

   ADDRESS,

   COMMZIP,

   NATIVEADD,

   WORKZIP,

   DUTY_CD,

   WORKBEGINDATE,

   LIVESTAT_CD,

   FARMERFLAG2,

   CORP_BUS_CLASS,

   RELATIVEFLAG,

   COUNTRYCODE,

   REGION,

   CORP_ORG,

   CERT_PUT_DATE,

   CERT_END_DATE,

   SOURCE_CODE,

   START_DT,

   END_DT,

   DW_DATA_DT)

  SELECT PTY_ID,

         PTY_NAME,

         GENDER_CD,

         BIRTHDAY,

         CERT_TYPE,

         CERT_NO,

         SOCINSUR_NO,

         COUNTRY_CD,

         NATION,

         POLITICS_CD,

         MARRIAGE_STAT,

         FAMILY_ADDR,

         FAMILYZIP,

         EMAILADD,

         HOME_PHONE,

         SPU_MOBILE,

         UNITKIND,

         CUST_NAME,

         COMPANY_ADDR,

         COMPANY_TEL,

         VOCATION_CD,

         TITLE_CD,

         TOPEDU_CD,

         TOP_DEGREE_CD,

         FINANCE_OR_NOT,

         OWNBANK_FLAG,

         INPUT_ORG,

         INPUTUSERID,

         UPDATE_DATE,

         ADDRESS,

         COMMZIP,

         NATIVEADD,

         WORKZIP,

         DUTY_CD,

         WORKBEGINDATE,

         LIVESTAT_CD,

         FARMERFLAG2,

         CORP_BUS_CLASS,

         RELATIVEFLAG,

         COUNTRYCODE,

         REGION,

         CORP_ORG,

         CERT_PUT_DATE,

         CERT_END_DATE,

         SOURCE_CODE,

         START_DT,

         END_DT,

         DW_DATA_DT

    FROM F_PTY_INDIV_TMP O

   WHERE EXISTS

   (SELECT    1

            FROM F_PTY_INDIV F

           WHERE O.PTY_ID = F.PTY_ID

             AND O.CORP_ORG = F.CORP_ORG

             AND O.SOURCE_CODE = F.SOURCE_CODE)

     AND O.PTY_NAME || O.GENDER_CD || O.BIRTHDAY || O.CERT_TYPE ||

         O.CERT_NO || O.SOCINSUR_NO || O.COUNTRY_CD || O.NATION ||

         O.POLITICS_CD || O.MARRIAGE_STAT || O.FAMILY_ADDR || O.CUST_NAME ||

         O.VOCATION_CD || O.TITLE_CD || O.TOPEDU_CD || O.TOP_DEGREE_CD ||

         O.FINANCE_OR_NOT || O.OWNBANK_FLAG || O.INPUT_ORG || O.ADDRESS ||

         O.DUTY_CD || O.LIVESTAT_CD || O.FARMERFLAG2 || O.CORP_BUS_CLASS ||

         O.RELATIVEFLAG || O.COUNTRYCODE || O.REGION || O.CERT_PUT_DATE ||

         O.CERT_END_DATE NOT IN

         (SELECT  PTY_NAME || GENDER_CD || BIRTHDAY || CERT_TYPE || CERT_NO ||

                 SOCINSUR_NO || COUNTRY_CD || NATION || POLITICS_CD ||

                 MARRIAGE_STAT || FAMILY_ADDR || CUST_NAME || VOCATION_CD ||

                 TITLE_CD || TOPEDU_CD || TOP_DEGREE_CD || FINANCE_OR_NOT ||

                 OWNBANK_FLAG || INPUT_ORG || ADDRESS || DUTY_CD ||

                 LIVESTAT_CD || FARMERFLAG2 || CORP_BUS_CLASS ||

                 RELATIVEFLAG || COUNTRYCODE || REGION || CERT_PUT_DATE ||

                 CERT_END_DATE

            FROM F_PTY_INDIV

           WHERE END_DT = TO_DATE('29991231', 'YYYY-MM-DD')

             AND O.PTY_ID = PTY_ID

             AND O.CORP_ORG = CORP_ORG

             AND O.SOURCE_CODE = SOURCE_CODE) 

SQL> select * from table(dbms_xplan.display());

PLAN_TABLE_OUTPUT

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Plan hash value: 2391619437

-------------------------------------------------------------------------------------------------

| Id  | Operation	      | Name		| Rows	| Bytes |TempSpc| Cost (%CPU)| Time	|

-------------------------------------------------------------------------------------------------

|   0 | INSERT STATEMENT      | 		|     1 |   244 |	|  8587   (1)| 00:01:44 |

|*  1 |  FILTER 	      | 		|	|	|	|	     |		|

|*  2 |   HASH JOIN RIGHT SEMI| 		|     1 |   244 |    16M|  5905   (1)| 00:01:11 |

|   3 |    TABLE ACCESS FULL  | F_PTY_INDIV	|   451K|    11M|	|  2645   (1)| 00:00:32 |

|   4 |    TABLE ACCESS FULL  | F_PTY_INDIV_TMP |   131K|    27M|	|  1000   (2)| 00:00:12 |

|*  5 |   TABLE ACCESS FULL   | F_PTY_INDIV	|     1 |   142 |	|  2681   (2)| 00:00:33 |

-------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):

---------------------------------------------------

   1 - filter( NOT EXISTS (SELECT /*+ */ 0 FROM "F_PTY_INDIV" "F_PTY_INDIV" WHERE

	      "PTY_ID"=:B1 AND "CORP_ORG"=:B2 AND "SOURCE_CODE"=:B3 AND

	      "END_DT"=TO_DATE('29991231','YYYY-MM-DD') AND

	      LNNVL(:B4||:B5||:B6||:B7||:B8||:B9||:B10||:B11||:B12||:B13||:B14||:B15||:B16||:B17||:B18|

	      |:B19||:B20||:B21||:B22||:B23||:B24||:B25||:B26||:B27||:B28||:B29||:B30||:B31||:B32<>"PTY

	      _NAME"||"GENDER_CD"||INTERNAL_FUNCTION("BIRTHDAY")||"CERT_TYPE"||"CERT_NO"||"SOCINSUR_NO"

	      ||"COUNTRY_CD"||"NATION"||"POLITICS_CD"||"MARRIAGE_STAT"||"FAMILY_ADDR"||"CUST_NAME"||"VO

	      CATION_CD"||"TITLE_CD"||"TOPEDU_CD"||"TOP_DEGREE_CD"||"FINANCE_OR_NOT"||"OWNBANK_FLAG"||"

	      INPUT_ORG"||"ADDRESS"||"DUTY_CD"||"LIVESTAT_CD"||"FARMERFLAG2"||"CORP_BUS_CLASS"||"RELATI

	      VEFLAG"||"COUNTRYCODE"||"REGION"||"CERT_PUT_DATE"||"CERT_END_DATE")))

   2 - access("O"."PTY_ID"="F"."PTY_ID" AND "O"."CORP_ORG"="F"."CORP_ORG" AND

	      "O"."SOURCE_CODE"="F"."SOURCE_CODE")

   5 - filter("PTY_ID"=:B1 AND "CORP_ORG"=:B2 AND "SOURCE_CODE"=:B3 AND

	      "END_DT"=TO_DATE('29991231','YYYY-MM-DD') AND

	      LNNVL(:B4||:B5||:B6||:B7||:B8||:B9||:B10||:B11||:B12||:B13||:B14||:B15||:B16||:B17||:B18|

	      |:B19||:B20||:B21||:B22||:B23||:B24||:B25||:B26||:B27||:B28||:B29||:B30||:B31||:B32<>"PTY

	      _NAME"||"GENDER_CD"||INTERNAL_FUNCTION("BIRTHDAY")||"CERT_TYPE"||"CERT_NO"||"SOCINSUR_NO"

	      ||"COUNTRY_CD"||"NATION"||"POLITICS_CD"||"MARRIAGE_STAT"||"FAMILY_ADDR"||"CUST_NAME"||"VO

	      CATION_CD"||"TITLE_CD"||"TOPEDU_CD"||"TOP_DEGREE_CD"||"FINANCE_OR_NOT"||"OWNBANK_FLAG"||"

	      INPUT_ORG"||"ADDRESS"||"DUTY_CD"||"LIVESTAT_CD"||"FARMERFLAG2"||"CORP_BUS_CLASS"||"RELATI

	      VEFLAG"||"COUNTRYCODE"||"REGION"||"CERT_PUT_DATE"||"CERT_END_DATE"))

37 rows selected.

改写成exists后；

 SELECT PTY_ID,

        PTY_NAME,

        GENDER_CD,

        BIRTHDAY,

        CERT_TYPE,

        CERT_NO,

        SOCINSUR_NO,

        COUNTRY_CD,

        NATION,

        POLITICS_CD,

        MARRIAGE_STAT,

        FAMILY_ADDR,

        FAMILYZIP,

        EMAILADD,

        HOME_PHONE,

        SPU_MOBILE,

        UNITKIND,

        CUST_NAME,

        COMPANY_ADDR,

        COMPANY_TEL,

        VOCATION_CD,

        TITLE_CD,

        TOPEDU_CD,

        TOP_DEGREE_CD,

        FINANCE_OR_NOT,

        OWNBANK_FLAG,

        INPUT_ORG,

        INPUTUSERID,

        UPDATE_DATE,

        ADDRESS,

        COMMZIP,

        NATIVEADD,

        WORKZIP,

        DUTY_CD,

        WORKBEGINDATE,

        LIVESTAT_CD,

        FARMERFLAG2,

        CORP_BUS_CLASS,

        RELATIVEFLAG,

        COUNTRYCODE,

        REGION,

        CORP_ORG,

        CERT_PUT_DATE,

        CERT_END_DATE,

        SOURCE_CODE,

        START_DT,

        END_DT,

        DW_DATA_DT

   FROM F_PTY_INDIV_TMP O

  WHERE EXISTS (SELECT 1

           FROM F_PTY_INDIV F

          WHERE O.PTY_ID = F.PTY_ID

            AND O.CORP_ORG = F.CORP_ORG

            AND O.SOURCE_CODE = F.SOURCE_CODE)

    AND NOT EXISTS

  (SELECT   null

           FROM F_PTY_INDIV

          WHERE O.PTY_NAME || O.GENDER_CD || O.BIRTHDAY || O.CERT_TYPE ||

                O.CERT_NO || O.SOCINSUR_NO || O.COUNTRY_CD || O.NATION ||

                O.POLITICS_CD || O.MARRIAGE_STAT || O.FAMILY_ADDR ||

                O.CUST_NAME || O.VOCATION_CD || O.TITLE_CD || O.TOPEDU_CD ||

                O.TOP_DEGREE_CD || O.FINANCE_OR_NOT || O.OWNBANK_FLAG ||

                O.INPUT_ORG || O.ADDRESS || O.DUTY_CD || O.LIVESTAT_CD ||

                O.FARMERFLAG2 || O.CORP_BUS_CLASS || O.RELATIVEFLAG ||

                O.COUNTRYCODE || O.REGION || O.CERT_PUT_DATE ||

                O.CERT_END_DATE =

                PTY_NAME || GENDER_CD || BIRTHDAY || CERT_TYPE || CERT_NO ||

                SOCINSUR_NO || COUNTRY_CD || NATION || POLITICS_CD ||

                MARRIAGE_STAT || FAMILY_ADDR || CUST_NAME || VOCATION_CD ||

                TITLE_CD || TOPEDU_CD || TOP_DEGREE_CD || FINANCE_OR_NOT ||

                OWNBANK_FLAG || INPUT_ORG || ADDRESS || DUTY_CD ||

                LIVESTAT_CD || FARMERFLAG2 || CORP_BUS_CLASS || RELATIVEFLAG ||

                COUNTRYCODE || REGION || CERT_PUT_DATE || CERT_END_DATE

            and END_DT = TO_DATE('29991231', 'YYYY-MM-DD'))

            AND O.PTY_ID = PTY_ID

            AND O.CORP_ORG = CORP_ORG

            AND O.SOURCE_CODE = SOURCE_CODE)

子查询还是无法展开

改写成关联；

SELECT o.PTY_ID,

       o.PTY_NAME,

       o.GENDER_CD,

       o.BIRTHDAY,

       o.CERT_TYPE,

       o.CERT_NO,

       o.SOCINSUR_NO,

       o.COUNTRY_CD,

       o.NATION,

       o.POLITICS_CD,

       o.MARRIAGE_STAT,

       o.FAMILY_ADDR,

       o.FAMILYZIP,

       o.EMAILADD,

       o.HOME_PHONE,

       o.SPU_MOBILE,

       o.UNITKIND,

       o.CUST_NAME,

       o.COMPANY_ADDR,

       o.COMPANY_TEL,

       o.VOCATION_CD,

       o.TITLE_CD,

       o.TOPEDU_CD,

       o.TOP_DEGREE_CD,

       o.FINANCE_OR_NOT,

       o.OWNBANK_FLAG,

       o.INPUT_ORG,

       o.INPUTUSERID,

       o.UPDATE_DATE,

       o.ADDRESS,

       o.COMMZIP,

       o.NATIVEADD,

       o.WORKZIP,

       o.DUTY_CD,

       o.WORKBEGINDATE,

       o.LIVESTAT_CD,

       o.FARMERFLAG2,

       o.CORP_BUS_CLASS,

       o.RELATIVEFLAG,

       o.COUNTRYCODE,

       o.REGION,

       o.CORP_ORG,

       o.CERT_PUT_DATE,

       o.CERT_END_DATE,

       o.SOURCE_CODE,

       o.START_DT,

       o.END_DT,

       o.DW_DATA_DT

  FROM F_PTY_INDIV_TMP O,

       (SELECT *

          FROM F_PTY_INDIV F

         WHERE END_DT = TO_DATE('29991231', 'YYYY-MM-DD')) F

 where O.PTY_ID = F.PTY_ID

   AND O.CORP_ORG = F.CORP_ORG

   AND O.SOURCE_CODE = F.SOURCE_CODE

   AND O.PTY_NAME || O.GENDER_CD || O.BIRTHDAY || O.CERT_TYPE || O.CERT_NO ||

       O.SOCINSUR_NO || O.COUNTRY_CD || O.NATION || O.POLITICS_CD ||

       O.MARRIAGE_STAT || O.FAMILY_ADDR || O.CUST_NAME || O.VOCATION_CD ||

       O.TITLE_CD || O.TOPEDU_CD || O.TOP_DEGREE_CD || O.FINANCE_OR_NOT ||

       O.OWNBANK_FLAG || O.INPUT_ORG || O.ADDRESS || O.DUTY_CD ||

       O.LIVESTAT_CD || O.FARMERFLAG2 || O.CORP_BUS_CLASS || O.RELATIVEFLAG ||

       O.COUNTRYCODE || O.REGION || O.CERT_PUT_DATE || O.CERT_END_DATE <>

       F.PTY_NAME || F.GENDER_CD || F.BIRTHDAY || F.CERT_TYPE || F.CERT_NO ||

       F.SOCINSUR_NO || F.COUNTRY_CD || F.NATION || F.POLITICS_CD ||

       F.MARRIAGE_STAT || F.FAMILY_ADDR || F.CUST_NAME || F.VOCATION_CD ||

       F.TITLE_CD || F.TOPEDU_CD || F.TOP_DEGREE_CD || F.FINANCE_OR_NOT ||

       F.OWNBANK_FLAG || F.INPUT_ORG || F.ADDRESS || F.DUTY_CD ||

       F.LIVESTAT_CD || F.FARMERFLAG2 || F.CORP_BUS_CLASS || F.RELATIVEFLAG ||

       F.COUNTRYCODE || F.REGION || F.CERT_PUT_DATE || F.CERT_END_DATE;

SQL> select * from table(dbms_xplan.display());

PLAN_TABLE_OUTPUT

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Plan hash value: 2193563055

--------------------------------------------------------------------------------------

| Id  | Operation	   | Name	     | Rows  | Bytes | Cost (%CPU)| Time     |

--------------------------------------------------------------------------------------

|   0 | SELECT STATEMENT   |		     |	  13 |	4667 |	3696   (3)| 00:00:45 |

|*  1 |  HASH JOIN	   |		     |	  13 |	4667 |	3696   (3)| 00:00:45 |

|*  2 |   TABLE ACCESS FULL| F_PTY_INDIV     |	 871 |	 120K|	2695   (3)| 00:00:33 |

|   3 |   TABLE ACCESS FULL| F_PTY_INDIV_TMP |	 131K|	  27M|	1000   (2)| 00:00:12 |

--------------------------------------------------------------------------------------

Predicate Information (identified by operation id):

---------------------------------------------------

   1 - access("O"."PTY_ID"="F"."PTY_ID" AND "O"."CORP_ORG"="F"."CORP_ORG" AND

	      "O"."SOURCE_CODE"="F"."SOURCE_CODE")

       filter("O"."PTY_NAME"||"O"."GENDER_CD"||INTERNAL_FUNCTION("O"."BIRTHDAY

	      ")||"O"."CERT_TYPE"||"O"."CERT_NO"||"O"."SOCINSUR_NO"||"O"."COUNTRY_CD"||"O"."

	      NATION"||"O"."POLITICS_CD"||"O"."MARRIAGE_STAT"||"O"."FAMILY_ADDR"||"O"."CUST_

	      NAME"||"O"."VOCATION_CD"||"O"."TITLE_CD"||"O"."TOPEDU_CD"||"O"."TOP_DEGREE_CD"

	      ||"O"."FINANCE_OR_NOT"||"O"."OWNBANK_FLAG"||"O"."INPUT_ORG"||"O"."ADDRESS"||"O

	      "."DUTY_CD"||"O"."LIVESTAT_CD"||"O"."FARMERFLAG2"||"O"."CORP_BUS_CLASS"||"O"."

	      RELATIVEFLAG"||"O"."COUNTRYCODE"||"O"."REGION"||"O"."CERT_PUT_DATE"||"O"."CERT

	      _END_DATE"<>"F"."PTY_NAME"||"F"."GENDER_CD"||INTERNAL_FUNCTION("F"."BIRTHDAY")

	      ||"F"."CERT_TYPE"||"F"."CERT_NO"||"F"."SOCINSUR_NO"||"F"."COUNTRY_CD"||"F"."NA

	      TION"||"F"."POLITICS_CD"||"F"."MARRIAGE_STAT"||"F"."FAMILY_ADDR"||"F"."CUST_NA

	      ME"||"F"."VOCATION_CD"||"F"."TITLE_CD"||"F"."TOPEDU_CD"||"F"."TOP_DEGREE_CD"||

	      "F"."FINANCE_OR_NOT"||"F"."OWNBANK_FLAG"||"F"."INPUT_ORG"||"F"."ADDRESS"||"F".

	      "DUTY_CD"||"F"."LIVESTAT_CD"||"F"."FARMERFLAG2"||"F"."CORP_BUS_CLASS"||"F"."RE

	      LATIVEFLAG"||"F"."COUNTRYCODE"||"F"."REGION"||"F"."CERT_PUT_DATE"||"F"."CERT_E

	      ND_DATE")

   2 - filter("END_DT"=TO_DATE('29991231','YYYY-MM-DD'))

32 rows selected.

优化到此结束。

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