Oracle 11g: engage inside the outer loop or loop

Hello

Could someone pls help in this regard.

My PLSQL program retrieves approximately 400 000 thousand records in cursor loop and cl, it takes more than 4 hours to complete IT.

I commit every transactions inside the cursor loop... This can affect the runtime performance?

Also, pls suggest, can we use commit 400 000 transactions once it will be faster? (or) the performance of baskets longer than the current situation.

My goal is to make the fastest program and expect to reduce the timing of execution of 4 hours to 1 hour...

Appreciate your help...

Program design: advice:

a. Select 400 000 thousand documents in the cursor.

b. inside cursor for loop to two new sql instructions written to get values and store it in the local variable (this value is used in the call to insert data), two sql statements are handled with no_data_found and too_may_rows logic implicit sql statements to intercept the errors of the company

c insert statement.

validation of d. inside the loop (batch mode: nowait)

management at the level of the procedure using raise_application_error exception e...

Do not use the PL/SQL for data processing. SQL is a powerful language. Get the best out of him.

Here is an example of using INSERT ALL. This is untested code and may contain syntax and semantic errors.

insert all
  into medicomread.aatable_permit_people
  (
        permitnum
      , lic_num
      , lic_type
      , bus_name
      , addr1
      , addr2
      , addr3
      , city
      , state
      , zip
      , ph1
      , ph2
      , fax
      , bus_lic
      , lic_original_issue_date
      , expiration_date
  )
  values
  (
        appt_ref_no
      , lic_num
      ,'Business License'
      , company_name
      , postal_address
      , null
      , null
      , null
      , emirate
      , po_box
      , telephone
      , null
      , fax
      , license_no
      , issue_date
      , expiry_date
  )
  log errors into err$_aatable_permit_people ('INSERT1: HEALTH CARD SPONSOR DETAILS') reject limit unlimited
  into medicomread.aatable_permit_people
  (
        permitnum
      , tt_contact_type
      , name
      , b1_contact_nbr
  )
  values
  (
        appt_ref_no
      , 'Applicant'
      , cname
      , userseqno
  )
  log errors into err$_aatable_permit_people ('INSERT2: HEALTH CARD BUSINESS USER DETAILS') reject limit unlimited
  into medicomread.aatable_permit_people
  (
        permitnum
      , tt_contact_type
      , B1_Contact_Nbr
      , Name
      , gender
  )
  values
  (
        appt_ref_no
      , 'Individual Health'
      , userseqno
      , patient_name
      , ***
  )
  log errors into err$_aatable_permit_people ('INSERT3: HEALTH CARD APPLICANT USER DETAILS') reject limit unlimited
with t1
as
(
 select mr.appt_ref_no
      , mr.sponsor_name
      , substr(mr.PATIENT_NAME,1,79) PATIENT_NAME
      , mr.***
   from medicomdata.mc_register mr
      , medicomdata.mc_process_type_register mptr
      , medicomdata.um_users uu
      , medicomdata.um_companies uc
  where mr.patient_id     = mptr.patient_id
    and mr.pro_id         = uu.user_id
    and mr.facility_id    = mptr.facility_id
    and mr.process_type   ='OH'
    and mr.regn_status    = 5
    and mr.sponsor_name   = uc.company_name
    and uu.type_id        = 3
    and (add_months( mptr.issued_date, 12 )-1) > sysdate
),
t2 as
(
 select decode(ucr.license_category_id,'DED','DED'||uuc.license_no,uuc.license_no) lic_num
      , uuc.company_name
      , ucr.postal_address
      , ucr.emirate
      , ucr.po_box
      , ucr.telephone
      , ucr.fax
      , uuc.LICENSE_NO
      , ucr.issue_date
      , ucr.expiry_date
   from medicomdata.um_companies uuc,medicomdata.company_registration ucr
  where uuc.license_no=ucr.business_license_number
    and uuc.inactive=0
    and upper(ucr.request_status)=upper('true')
),
t3 as
(
 select uu.company_name
      , cname
   from (
         select uu.first_name ||' '|| uu.last_name cname
              , row_number() over(partition by uu.company_name order by decode(usr.service, 'HCDC', 0, 1)) rno
           from medicomdata.um_users uu
              , medicomdata.user_service_request usr
          where uu.user_id      = usr.user_id
            and usr.service     = 'HCDC'
            and uu.type_id      = 2
            and uu.inactive     = 0
         )
  where rno = 1
)
select t1.appt_ref_no
     , t1.patient_name
     , t1.***
     , t2.lic_num
     ,'Business License'
     , t2.company_name
     , t2.postal_address
     , null
     , null
     , null
     , t2.emirate
     , t2.po_box
     , t2.telephone
     , null
     , t2.fax
     , t2.license_no
     , t2.issue_date
     , t2.expiry_date
     , t3.cname
     , companyuserseq.nextval userseqno
  from t1
  join t2
    on t1.sponsor_name = t2.company_name
  join t3
    on t1.sopnsor_name = t3.company_name;

Tags: Database

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THINK THE STREAM!

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I tried with or without the while loop around the structure of sequence flat, and I also tried to replace the 'Non-deterministic loop' with a timed loop

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Question 2:
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PHG wrote:

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