Function of the cursor

Dear all,

I got a general question about the features of a cursor.

I got a slider that has multiple where conditions such as

CURSOR C_EMP(p_empno NUMBER, P_ename in varchar2) IS SELECT EMPNO, ENAME FROM EMP WHERE EMPNO is P_EMPNO AND ENAME = P_ENAME;

Suppose I spent where different conditions at this cursor, ORACLE doesn't all the features like PARSING, SYNTAX as a Where condition checking etc is evolving (GOLD) Oracle will bind the values during the execution of the cursor so that it is PARSED but EXECUTED MULTIPLE times.


Receive your answer on that.

Thank you
MK.

Hi Maddy,

Cursor is a district of merory where is the analysis of the SQl statement.

If you change a condition surely new analysis view will be.

CURSOR C_EMP(p_empno NUMBER, P_ename in varchar2) IS SELECT EMPNO, ENAME FROM EMP WHERE EMPNO = P_EMPNO AND > ENAME = P_ENAME;
CURSOR C_EMP(p_empno NUMBER, P_ename in varchar2) IS SELECT EMPNO, ENAME FROM EMP WHERE EMPNO = P_EMPNO AND > ENAME = P_ENAME and (other condition);

the two above statements are different from each other that so surely a new analysis view will be.

But if you use bind variables in the sliders, then no new analysis in view will be, it will be just exceute...
Go through the link for more understanding below...

[http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/sqlplsql.htm#CNCPT1737]

Concerning

UMI

Tags: Database

Similar Questions

  • Not fully functional mouse with MacBook Pro 2010. I can scroll up and down, but can not move the cursor.  The mouse works with my new Macbook 12. No mouse problem but Macbook Pro?

    Not fully functional mouse with MacBook Pro 2010. I can scroll up and down, but can not move the cursor.  The mouse works with my new Macbook 12. No mouse problem but Macbook Pro?

    What specific mouse?

  • My cursor change of function to the move tool and without my wanting to scroll tool him. How can I stop this?

    The function of slider switches at will.  I go get a document online and use the slider or accidentally touch the mouse pad and the cursor will place you on the tool move and zoom or shrink my window at will or to scroll upwards or downwards. It happens constantly, needless to say that his exasperating. Please help me fix this so that the cursor is just an arrow cursor, I can scroll or go through other means.

    Hi caitlin77,

    1. did you of recent changes on the computer?

    2. how to stop this function?

    I would like you check the settings of the mouse on the computer and check if it helps.

    (a) open the mouse properties by clicking the Start button, then Control Panel. In the search box, type mouse, and then click mouse.

    (b) click on the pointer, and then under visibility Options tab

    (c) select the Hide pointer while typing check box

    (d) click OK.

    Check to see if that helps, and make sure that all the mouse settings are correct.

  • I want to be able to move freely photos on a Windows Word page, but the photos keep snapping it back in place on the margins. Is it an alignment etc. function that I can disable so I can move photos with the cursor?

    I want to be able to move freely photos on a Windows Word page, but the photos keep snapping it back in place on the margins. Is it an alignment etc. function that I can disable so I can move photos with the cursor?

    I want to be able to move freely photos on a Windows Word page, but the photos keep snapping it back in place on the margins. Is it an alignment etc. function that I can disable so I can move photos with the cursor?

    =================================
    Change the text wrapping...

    In Word 2007... I'm going to... Format / dressing / thanks to...

    Then I can use the arrow 4 positions to drag photos anywhere
    I chose.

    If you want to drag the photos on the page...
    I don't know how to do this. John Inzer - MS - MVP - Digital Media Experience - Notice_This is not tech support_I'm volunteer - Solutions that work for me may not work for you - to proceed at your own risk

  • Cursor of return of (nested) function - PLS-00201: identifier of the CURSOR must be declared

    Hello

    I have a function in which I use nested functions (because I don't want to create objects explicit / external, it is a requirement that I don't have any effect on / I don't want to change).

    In my external function, I use cursor by declaring them in IS-section and then open using the loop for instruction.

    In my inner function / nested, I also want to use a cursor.

    There I also said one like I did in an external function within the section IS of the nested function.

    SQL Developer complains about syntax error (';: wait ").

    When you try to compile the whole process I get the following error:

    "Error (97,14): PLS-00201: identifier 'CURSOR' must be declared '.

    It's my external function starts as:

    CREATE OR REPLACE FUNCTION FN_GENERATE_QUERY_PMT (instance_id_in IN NUMBER, language_in IN VARCHAR2)
    RETURN CLOB
    IS
         CURSOR c_outer IS
          SELECT * FROM BLA;
    

    When it comes to my internal function with the section IS of the external function and stands (inner functions should be at the end of the Section IS to stand behind the statements of variable and cursor, otherwise there will be an error):

    FUNCTION nfn_get_value (num_in IN NUMBER)
          RETURN SYS_REFCURSOR
        IS
          SYS_REFCURSOR c_inner IS
          SELECT *
          FROM BLUB;
        BEGIN
          RETURN c_where_in;
        END;
    

    After that there will be another nested function, then the BEGIN section will appear.

    When looking for 'function returns cursor' I can only find solutions where the cursor is declared in section IS (sometimes its an AS-section o_O * worried *) but wihtoug select, just declare type.

    The cursor focus is added in the Begin block to the way open for instruction. But I don't want to open it yet. I want to open the cursor using the loop statement. I am able to reopen? used can it be two sliders while one will not be closed properly?

    How to fix to return a cursor that I can use in my external function.

    Advice would be appreciated.

    Thanks in advance.

    Maybe I got the soultion
    First of all, I found this thread:

    http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:5241391331097

    said the following:

    2) a ref cursor is just a cursor.  a ref cursor is just a cursor.  a ref cursor is just a cursor.... (keep saying it over and over
    

    But fortuneately I also found this post:
    http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:14188501024541

    where thankfully someone shared her knowledge with others:

    In view of this block of code - you may see more "prominent" unlike - any

    How many times you run this block - cursor C will always be select * twice.  The ref

    cursor is not guaranteed.

    Another difference is that a ref cursor can be returned to a client.  a plsql 'cursor cursor.

    cannot be returned to a client.

    Another difference is a cursor can be global - a ref cursor cannot (you cannot set

    them outside a procedure / function)

    Another difference is a ref cursor can be passed to the subroutine - a subroutine

    cursor cannot be.

    This explains why the samples seem always fair with open (Ref) cursor within the section to START.

    I expeceted this (as I wrote in the first post) and ask if the course of opening will be sent back twice or just redirect. I suppose it it reassigns who were just a little in performance.

    But I can't yet find this good explanation of this type anywhere within the documentation and of course I didn't read it all. Shame on me, but I'm always engaged by internet download.

    I would be grateful if someone could say my last statement and leave a comment on double-distribution of the refcursors has reopened.

    Thanks in advance.

  • INVALID CURSOR - block anonymous component the cursor in function

    I get an error when you try to call my cursor.
    CREATE OR REPLACE PACKAGE tax_update
    AS
     TYPE gencur IS ref cursor;
     FUNCTION tax_sf
     (
       p_state IN bb_tax.state%type,
       p_thecursor IN OUT gencur
     )
     RETURN NUMBER;
    END;
    / 
    CREATE OR REPLACE PACKAGE BODY tax_update
    AS
     FUNCTION tax_sf
     (
       p_state IN bb_tax.state%type,
       p_thecursor IN OUT gencur
     )
     RETURN NUMBER
      IS
      lv_taxrate NUMBER;
     BEGIN
      OPEN p_thecursor FOR 
       SELECT taxrate 
       FROM bb_tax
       WHERE state = p_state;
      RETURN lv_taxrate;
     END;
    END;
    / 
    DECLARE
      tax_cur tax_update.gencur;
      rec_tax bb_tax%rowtype;
     BEGIN
     LOOP
      FETCH tax_cur INTO rec_tax;
       EXIT WHEN tax_cur%NOTFOUND;
        DBMS_OUTPUT.PUT_LINE(rec_tax.taxrate);
     END LOOP;
    END;
    DECLARE
    *
    ERROR at line 1:
    ORA-01001: invalid cursor
    ORA-06512: at line 6
    Mission is to create a package that will contain the rate of taxation by the State in a packed slider. The package contains a function that can receive a State of 2 character abbreviated as an argument and finds a match in the cursor and return the tax rates for tha tstate. An anonymous block will test the function with the State of North Carolina.
    If anyone can help?

    user13842802 wrote:
    Have tried a few ways to call but always error on TAX_SF.

    SET SERVEROUTPUT ON
    DECLARE
        tax_cur tax_update.gencur;
        rec_tax bb_tax%rowtype;
    BEGIN
        tax_cur := tax_update.tax_sf('NC');
        LOOP
          FETCH tax_cur INTO rec_tax;
          EXIT WHEN tax_cur%NOTFOUND;
          DBMS_OUTPUT.PUT_LINE(rec_tax.taxrate);
        END LOOP;
    END;
    /
    

    SY.

  • How to change the cursor on the roll on the function

    I make it a point and click game in AS3 with flash.

    I changed my slider skin by creating a new class of '' mouse. '' It works very well. Now, I'm trying to change the skin of the cursor when it is over an object on the stage.

    I read that the MouseEvent.ROLL_OVER is the correct method, but I can't understand how do...

    I have my mouse class like this:

    public class Souris extends MovieClip
        {
     private var engine:Engine;
            private var stageRef:Stage;
            private var p:Point = new Point(); 
    
            public function Souris(stageRef:Stage)
            {
                Mouse.hide(); //make the mouse disappear
                mouseEnabled = false; //don't let our cursor block anything
    mouseChildren = false;
    
                this.stageRef = stageRef;
                x = stageRef.mouseX;
                y = stageRef.mouseY;
    
                stageRef.addEventListener(MouseEvent.MOUSE_MOVE, updateMouse, false, 0, true);
                stageRef.addEventListener(Event.MOUSE_LEAVE, mouseLeaveHandler, false, 0, true);
                stageRef.addEventListener(Event.ADDED, updateStack, false, 0, true);
                stageRef.addEventListener(MouseEvent.ROLL_OVER,hover);
    
            }
    
            private function updateStack(e:Event) : void
            {
                stageRef.addChild(this);
            }
            private function hover(e:MouseEvent):void {
    souris.visible = false;
    }
    
            private function mouseLeaveHandler(e:Event) : void
            {
                visible = false;
                Mouse.show(); //in case of right click
                stageRef.addEventListener(MouseEvent.MOUSE_MOVE, mouseReturnHandler, false, 0, true);
            }
    
            private function mouseReturnHandler(e:Event) : void
            {
                visible = true;
                Mouse.hide(); //in case of right click
                removeEventListener(MouseEvent.MOUSE_MOVE, mouseReturnHandler);
            }
    
            private function updateMouse(e:MouseEvent) : void
            {
                x = stageRef.mouseX;
                y = stageRef.mouseY;
    
                e.updateAfterEvent();
            }
    
        }
    
    }
    }
    

    I have in my main class (class engine):


    private var souris:Souris;
    
    public function Engine(){
    
    
    
                            souris = new Souris(stage);
                stage.addChild(souris);
    
            }
    private function startGame(e:Event):void{
    ....
    ..
    

    I tried to put in the class of '' mouse. ''


    stageRef.addEventListener(MouseEvent.ROLL_OVER,hover);
    
    private function hover(e:MouseEvent):void {
    Engine.souris.visible = false; 
    handCursor.visible = true ;
    }
    

    But it seems wrong... I don't know what to put in my score function... (I got the "handCursor' in my library).

    Thank you very much for your help!

    Thx for your answers, I found a solution to my problem. It was MouseEvent.MOUSE_OVER. and not to the overthrow. But thanks for the links, I read it and it helps me with some codes.

    Thanks for your time!

  • Change the cursor data returned by a function

    Hi I'm trying to change the data that has been loaded in a service using the sql below

    create or replace PACKAGE held_types
    AS
    TYPE t_held_cursor IS REF CURSOR;
    END;

    create or replace
    FUNCTION F_PROC_SEARCH_BLOB2 (carmela_pepe VARCHAR2, in_length INTEGER, in_offset INTEGER)
    RETURN held_types.t_held_cursor
    AS

    v_held_cur held_types.t_held_cursor;
    v_held_rec v_held_cur % ROWTYPE;
    v_lob BLOB: = EMPTY_BLOB();
    v_pos_searchStart INTEGER: = 0;
    v_pos_searchEnd INTEGER: = 0;

    BEGIN
    OPEN FOR V_held_cur
    Select 'searchplaceholder' place_holder, id, creation_date
    of une_table

    SEEK v_held_cur INTO v_held_rec;

    While v_held_cur % FOUND
    LOOP
    -Another request here
    then v_held_rec.place_holder: = a few returned the query varachar

    SEEK v_held_cur INTO v_held_rec;
    END LOOP;

    CLOSE V_held_cur;

    RETURN v_held_cur;
    END;

    What is the right way to do this? I can't join the 2nd query that loaded in the cursor, I have to do a little work with blobs as well.
    For the moment, I get compilation errors to try to define v_held_cur % ROWTYPE;

    Any help greatly appreciated

    Depends on the amount of data you are talking about.
    If there is "a lot" of data then a collection would be a bad choice to memory, in which case I would, instead, process the data in a global temporary table and leave the code calling to use the data in this table.

    If it's just a small amount of data then Yes, a collection would be nice.

  • Place the cursor where wanted / needed (like arrow key functionality)

    I have a hard time placing the cursor exactly where I want to.  This happens often when I have typo in an area like text or hyperlinks.  Given that these areas cannot be stretched or expanded, I have fat fingers... which often leads to place me the cursor in the right place.  I keep wanting to the arrow keys to move to the correct place.  I forget this feature, or am I destined to continue my hunt and Peck, Peck, Peck... method?

    Thank you!

    Place the cursor in the field you want to change. Press in and hold the orange key and scroll your finger to the left or to the right depending on how you need to change the text.

  • Why the function "Insert an Image" does not insert the code at the location of the cursor?

    I mainly work with php files and I'm still working in code view only.  I am editing the php files that I wrote using a different code a few years ago Editor.  I place the cursor to the place in the code where I want to go the image tag and use the menu "insert an Image".  The code is then placed directly under the < body > tag.  It is always placed in the same place no matter where I place it in the code.  Can someone tell me what is happening here?  Thank you.

    Not sure why it does not insert the image where the cursor is, but my workflow is much easier. I mainly work in code view and I will drag the image from the files Panel to where I want to in my document. Simple

  • How to declare a function on the event of change of cursor in AS3?

    Hi all

    I have a function that adds a slider to an expert group;

    I would like this slider to start another function on the event change.

    I'm doing it:

    function() {return A.apply (null, [this] .concat ($A (arguments)))}


    [Bindable]

    public var mySlider: Hslider = new Hslider.

    private function addSlider (): void {}

    mySlider.change = onSliderChanged (event);  / * < = it's my problem * /.

    }

    Any help would be really appreciated.

    Thank you very much.

    You need to add a listener for the change event,

    mySlider.addEventListener (SliderEvent.CHANGE, onSliderChanged);

    private void onSliderChanged(event:SliderEvent):void {}

    ACTION HERE

    }

  • HP Pavilion 15-p009TX: how to disable the insertion on the 15 p HP Pavilion models function or the Guide

    I want to stop overtpying while typing. When I click the cursor on the typed text, it highlights a letter in the word rather than retrieve the cursor between letters. When I start typing on writing the words in front of him. How can I stop this?

    Hi Malygris1,

    Thanks for the reply. The link you sent me did not enough help. However, after you type the question on the blog earlier, I decided to restart my computer. The problem won't happen again.

    I don't think I have toggled the Overtype feature and he must have had a little problem with my touchpad wireless mouse I was using. When I had the problem I tried of being the function of inserting by pressing the "fn" key and "0/ins' or the 'fn' key key using and ' prstsc/ins' at the same time key. It doesn't seem to work because I must have been spend on and outside without seeing a difference.

    All is well now. I know now how to activate and deactivate the function key "fn" and '0/ins' or "prt sc/ins" key at the same time.

    Thanks anyway

  • Is there a way to remove the ToolTip that contains the name of the application when the cursor over the icon in the dock?

    Since the upgrade to El Capitan, I noticed that the name of each application in the dock appears above the docking station in a bubble of large text when the cursor is everywhere down in the dock next to this icon of the application.  It's annoying because if I'm often pass between two or several applications, I don't want to have to keep moving the slider to the top of the screen to get the text balloons to disappear.  When the application names are present, they cover part of the screen of the app that I work.  Not sure if I remember correctly, but I thought that those who went after a period of time in older versions of OS.  I was never bothered by it as I am with El Capitan.

    Thank you all.

    Not that I am aware, no.  There is nothing in the system preferences-> Dock that allows you to disable or remove this function.

  • HP laptop, 2000 - 2a20CA: Page of the screen shrinks by using the cursor key

    Laptop HP 2000-2a20CA

    No. B5R61UA

    It seems the upgrade from Win 7 to win 10 Home edition, in navigation or by using a Microsoft Office program, the windows Explorer.

    When you move the cursor with the touchpad and then listen to select a link, function etc. anywhere on the screen/page.

    The screen will decrease in size to the left or right of the screen or reduce to the taskbar.

    Clues, there is problem Win 10 or touchpad.

    HP 2000-2a20CA, running Windows 10 laptop

    Thank you

    I think I solved the problem because now I think.

    To check the HP site looking for updates to Win 10 and none were found.

    But then I changed my version of Windows to win 8 then rechecked updates and there is an update for the touchpad dated March 2016.

    Downloaded and installed, and everything seems OK so far.

    Thanks again.

  • can I restrict the cursor to 1 screen when running two monitors?

    Hello

    Not sure if it is a question of Labview or more a matter of windows. I intend to build a Labview application that will use the dual display. We'll have one touch screen on the other a standard screen. I would like to use a mouse to change the normal display settings but want to stop the cursor to run the touchscreen. I know that I can make the invisible cursor of any utility on the touchscreen but ideally, so I would the cursor to be bound within the limits of the normal monitor the cursor does not get lost as such.

    Any help/advice greatly appreciated.

    Kind regards

    Lucither

    ClipCursor function

    Andrey.

Maybe you are looking for

  • NB100 - how to change the language of Win XP English

    Hello world! I just bought a NB100 from a friend, but the language is in Arabic. I could use it very well, but I prefer the system in English language. How can I do this without a CD-ROM drive?Your help would be greatly appreciated. Thank you. OS: Wi

  • STR-DA2800ES update interrupted

    I tried to update the firmware on my STR-DA2800ES, but after that the file download is complete, the installation was interrupted when my daughter accidentally pressed the power button on the receiver. It turns on, but feel like there is something a

  • distorted sound, skips or stutters,

    The sound is distorted, jump, crawl, stutters or machine guns.

  • my Microsoft Works is 'not genuine '...

    Although it seems to work fine the Microsoft Works that was installed on my new (last year) computer tells me that it is not "AUTHENTIC."

  • To access the instance of the ListView onTriggered event ListItemComponent

    Hello I'm pulling out my hair with this! I have a ListItemComponent in my ListView, and I want to access the component instance in the onTriggered of my ListView. I have the row, but I can't work on how to find the actual view. Simple example: {To Li