For the verification of loop fetch

Hi experts,

As everyone knows, for loop taken 100 lines per each iteration (network roundtrips to 100 by default). Please, if it is correct me if I'm wrong, I know the following codes are the same.


for rec in (select * from employess)

loop

do_some_work

end loop;


declare

cursor c is select * from custtable where rownum < 10;

type of my_t is table of c%rowtype;

REC my_t;

if not c%isopen then

Open c;

end if;

loop

Fetch c bulk collect into rec limit 100;

do_some_work

output when rec.count = 0;

end loop;

Close c;

My question is, when I try to check the FOR LOOP to retrieve the query 100 lines per iteration, I use view v$ sql. However, it does not work. Because the PL/SQL block is ready. I need not to see that the sql that is used in the LOOP FOR query. So, what should I do to check that the extraction of LOOP FOR 100 rows per each iteration? Dynamic operating modes should I watch?

Thanks in advance.

You can simply enable SQL_TRACE and check. I used a TEMP table that has 1000 rows.

SQL > select count (*) temp;

COUNT (*)
----------
1000

SQL > alter session set sql_trace = true;

Modified session.

SQL > alter session set tracefile_identifier = "kar28042014";

Modified session.

SQL > start
2 for i in (select * from temp)
loop 3
4 null;
5 end of loop;
6 end;
7.

PL/SQL procedure successfully completed.

SQL > alter session set sql_trace = false;

Modified session.

If you see the trace output, you can see 11 extraction operation is done. 10 * 100 = 1000 read lines. The extra 1 extraction is to check if there is nothing else to look for.

Parsing user id: 191    (recursive depth: 2)
Rows    Row Source Operation-------  ---------------------------------------------------      1  SORT AGGREGATE (cr=14 pr=0 pw=0 time=883 us)  1000  TABLE ACCESS FULL TEMP (cr=14 pr=0 pw=0 time=185 us)
********************************************************************************

call    count      cpu    elapsed      disk      query    current        rows------- ------  -------- ---------- ---------- ---------- ----------  ----------Parse        1      0.01      0.00          0          1          0          0Execute      2      0.00      0.00          0          0          0          0Fetch      11      0.00      0.00          0        23          0       1000------- ------  -------- ---------- ---------- ---------- ----------  ----------total      14      0.01      0.01          0        24          0       1000

Tags: Database

Similar Questions

  • Adobe Application Manager, necessary for the verification of your driver's license, is missing or damaged.

    Adobe Application Manager, necessary for the verification of your driver's license, is missing or damaged. It appears each time I open a program from adobe. I downloaded the Manager, but he did that update hasdobe asks Manager.Please if you have an answer answer to me.

    N ° 1)

    Launch the Task Manager, click on the more details and end Adobe all related tasks.

    Step 2)

    Go to C: > Program (x 86) > " common files" > Adobe.

    Open the Adobe folder and delete files named Adobe Application Manager and OOBE.                  [Important]

    Impossible to remove? try to rename. as old OOBE. and Adobe Application Manager old.

    Step 3)

    Click on the link below and download Adobe Application manager and install the same:

    http://download.adobe.com/pub/Adobe/creativesuite/CC/Win/ApplicationManager9.0_all.exe

    Once the installation is complete, look for the icon of Adobe Application Manager launch on desktop and double-click it.

    It will start the update process.

    Once the update is complete, launch applications CC and check.

  • Quick launch of key for the following image loop sequenced?

    Hello

    I want to go fast in my loop of the sequence. Is there a key combination for the next frame?

    Thank you

    CTRL + mousewheel will jump through images in all structures

  • Security for the family login loop

    I tried to sign in to windows live family safety for the last two days and for some reason any sound just a loop and then giving me an error

    Something was wrong and we cannot connect at this time. Please try again later.

    but I can access xbox services through identification of the same phase.

    Any suggestions I tried another browser / erased cookies / flush dns but are still unable to sign in to the family safety

    Thank you

    Hello

    Thanks for the reply.

    You can follow the procedure to go to the Windows Live family site, please refer to the procedure described below:

    1. open your browser to: http://fss.live.com
    2 connect using the FSS Admin Windows Live ID and the password
    3. the terms of use must be displayed and you can accept the
    4. Once you have accepted the terms of use, then try to connect to the FSS client.

    Hope this information helps.

  • Option of DAP for the verification of the registry for remote access VPN Anyconnect v 3.0 + users

    Hi all

    I'm trying to assign the attribute DAP users VPN (Anyconnect 3.0 +) who fulfil certain conditions of registry. When setting up political DAP, while selecting the condition of the register, it is in error as "secure desktop cisco (CSD) is not enabled, CSD should be enabled to configure the registry endpoint attribute. But as I link percevied, to check the attribute registry "scan host' which is integrated in the module anyconnect 3.0 will be charged. So why he asks me to activate the CSD? CSD is really necessary to verify the registry attribute even if we use anyconenct 3.0 +? Any pointer

    The end of the ASA must be activated and more bits based on AnyConnect.

    Notes elsewhere in the link you quoted, it is said ' host Scan automatically identifies the operating systems and service packs on any remote device establishing a clientless SSL VPN and AnyConnect Cisco client session and when the host Scan/CSD or CSD is activated on the SAA. " (emphasis added).

    FYI Cisco is to denigrate these features over time for the Posture of scanning at the ISE in conjunction with the new posture AnyConnect 4.0 module.

  • For the question of loop/formula node/Maj register_Beginner

    Hello

    I am a beginner of Labview and have a newbie question. I think that's most of you very easy, so please try to help me soon

    I (X, Y) datavalues... I calculated the average arithmetic using a formula node and a loop for and got (X', Y') out. Now, I want to take the output X' and Y' and calculate an average value in reference to X and Y. Thus, the same calculation in the loop for, but I want to take the output values and feed values again under the entry name. This should be played N times and routes.

    I tried using shift registers, but failed to connect properly as I can get what I want. I have attached here this part of my vi where I have the problem. I hope you can help me. Thanks in advance.

    Hi Sarah,.

    If you need to put the X "-paintings in a registry change, while the original X table remains constant:

  • Reference data are not available for the verification of prerequisites

    OS: Oracle Linux Server version 7.1

    Oracle Version: Release of 12 c 1

    VM: Oracle

    Problem: I am installing Oracle 12 c.  When I try to run ($. / runInstaller - executePrereqs) I get the following errors.

    Please advice.

    Thank you

    NKS.Screen Shot 2015-03-14 at 5.09.32 PM.png

    Screen Shot 2015-03-14 at 5.21.09 PM.png

    This seems to be a bug - see MOS Doc 1567127.1 pl

  • Strange for the behavior of loops

    Hello

    Given this code...

    Quote:
    for (var i: uint = 0; i < 10; i ++)
    {
    Alert.Show (i.ToString ());
    }
  • [ORACLE 9] OPEN for the variable binding USING declaration

    Hello

    I have a loop that retrieves only 1 sheet instead of 7:
    DECLARE
    
     lv_into varchar2(40);
     lv_qry  varchar2(400);
     
     type curtest_ref is ref cursor;
     
     curtest          curtest_ref;
     lv_compteur number(4) := 1;
     
     lv_client_loc   varchar2(100);
     BEGIN
     dbms_output.put_line( 'Début' );
     lv_qry := 'select client_loc from tmp_jbm where client_id = :A ';
     
     open curtest for lv_qry using lv_compteur;                 
     loop
                    fetch curtest into lv_client_loc ;
                    exit when curtest%notfound;
                    dbms_output.put_line( 'ligne: '       || to_char( lv_compteur )
                                       || ' Client Loc: ' || lv_client_loc );
                    lv_compteur := lv_compteur + 1;
                    exit when lv_compteur > 6;
         end loop;
    EXCEPTION
        when others then
                 dbms_output.put_line( 'Erreur exception: ' || sqlerrm );
    END; 
    [/END CODE]
    
    It looks like the cursor only fetches 1 record and then stops.
    
    Many thanks                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

    Bind variables are evaluated when the cursor is opened. Not when extract you the data.
    I don't know why you use dynamic sql, here, you do not need.
    In any case, your code is incorrect.
    Assuming that the client_id is unique, Yes, your fetch fetch one line. When you loop the second time, retrieving a new record for the same statement, then you hit no_data_found.

    ---------
    Sybrand Bakker
    Senior Oracle DBA

  • BPEL variable, take the time to 1 min just for the assignment of value in the Assign activity

    Hi all

    We get a strange question in BPEL production environment.
    In the assign activity, there are 3 variable hardcoded with some default values.
    At runtime, a variable is to take more time from 1 minute to initialize just this default value.
    We do not get this problem of time in Dev and Test environments, so we are not able to test this.
    Please look in the Audit trail for the BPEL instance in the Production environment.
    Request to let me know if them work around or fix for this issue.



    Thanks in advance,
    Kumar

    Hello

    Yes, you can get to know the time for the verification that frm trail... u can also make use of activity sensors to calculate the exact time.

  • Why can't I enter the country code of my phone number for the 2-step verification process?

    I just upgrade my iPhone 6 to 10.0.2. In the home screen, you asked me to provide my phone number to register in the system of validation in 2 steps. However, + 82 (South Korea) is not on your scrolling list.

    https://www.YouTube.com/watch?v=aPFbPt3KGqY

    Hey aramkim80,

    I see from your post that you are not able to enter the country code for the South Korea when setting up for your Apple ID security two-step verification of your Apple ID as much as possible is always a good thing, so I understand your concern.

    Take a look at this article: frequently asked questions about two steps checking of Apple ID. This article presents a list of countries is available in two-step verification. I do not see the Korea of the South on the list of countries currently supported, it's why you're not able to do this.

    Hope that answered this question for you.

    See you soon.

  • I cannot receive email verification for Firefox, but it received for the forum? I tried twice and it comes not through.

    I created an account for Firefox on my laptop and it works. But when I try to register on my tablet, he repeats my email must be verified, but I have not received the e-mail address verification. I tried twice to have the FF to re - send, but he just never through. Yet when I signed up for the support of FF forum, it came through.

    I've already matched and synchronize the tablet with my laptop but cannot connect account profile, etc.

    Never mind! I finally got. It was sync asking me to connect to my mobile phone and wouldn't take my UN and PW. But I could get to my favorites, so I must have already been signed. I do not know... I used to have Firefox years ago but he fell until Android got versions for all. Now that Google is all third-party bookmark applications down, I had to go back to FF, so I can sync between my laptop, Tablet and mobile phone. I hope that Google will keep their MITS off FF.

  • While loop, wait for the function and the stop button!

    Hello

    I have a while loop and a stop button. Inside my While loop - I have a 'Wait (x ms)' function. If I press the stop button, it does not block the program immediately, he expects ms x then stops the program. How can I get rid of this?

    Thanks in advance for the help!


  • Create a table in a loop 'for' (reset the number of loops)

    Hello

    I try to incorporate a signal of acceleration from an analog input CRIO to get speed and then further integrate to get the moving of a vibration system.

    I understand that to achieve integration, a table must be fed in. My problem is that I could not buffer the signal in a buffer block, as I couldn't find buffer blocks. so I decided to create my data table by using a loop "for". The nests of the loop 'for' inside a timed loop. The problem that I'm stuck on is how to reset the loop 'for' in order to fill the buffer with each iteration of the outer loop timed.

    I enclose the code if that helps. Note that I use labview in 2013.

    If anyone who has encountered a similar problem before can help me, I would be gratefull.

    Concerning

    Ali

    You can use a shift register initialized as inputs to your curls, to build your table of one. However, you realize, don't you, that the execution of your program as written loops as soon as the computer can spit out responses, then the output array may contain several points that took place before the entry has updated? Assuming that your thing cRIO (I've not worked with these) has integrated into its routine acquisition of calendar data, I suggest you put that inside the loop to get a data point by reading.

    And do you really want your graph to distance for update only every thousand points (points of acceleration million) speed?

    Cameron

  • Save 1 array in a loop for the other run cycles.

    I have a function built into a N = 65 for the loop that pulls down real-time data in table.    On the first loop, a table for "calibration" is created that needs to be saved as a reference for measures in the next 64 executions.

    Anyone know what I need to do to save this first set of data, so I can continue to use it?   On the next run, the function extracts completely new data and replaces naturally.

    For the moment, I don't have a source VI to post (that works), sorry about that.   Will try get ot something tomorrow... but it will probably not work.

    To be a little more exactly...

Maybe you are looking for

  • New subfolder does not display the unread messages in the left pane.

    I created a filter for messages on the mail server. It places the messages to a specific e-mail address in a folder on the IMAP server. Yet, when Thunderbird is opened, it does not show in the pane on the left in bold all new messages in this folder,

  • Call list recent Apple Watch does not call recording

    My phone app watch recent calls list appears not all calls from the watch in the last month.I rebooted shows nothing done.Is this a known bug? No work around (without having to disable the twinning/pair)?The list is supposed to show all calls or only

  • Satellite L630 WiFi not connecting

    I just bought a Satellite L630 laptop PC series and find that it does not connect to my WiFi network at home. The computer sees the network as being available, and when I enter my password, it tries to connect, but said then it's impossible. I tried

  • Trials of poor performance for Matlab and Windows reference

    Hello I have a Lenovo Thinkpad W520 with Windows 7 64 bit installed. Compared to other laptops with comparable hardware, my Lenovo is very slow. To prove my thought, I realized with a test evaluation of Matlab (64-bit) and Windows 7 assessment test.

  • Age of Empires 3 does not work on xp

    I can't get Age of Empires 3 (box set) to run on Windows XP, my system satisfied easily required for the game. I installed it successfully, but nothing happens when I try to run the game. I tried after for example, online help installation with anti