How can I find a large amount of data from a stored procedure?

How can I find a large amount of data to a stored procedure in an effective way?

For example do not use a cursor to go through all the lines and then assign values to variables.

Thanks in advance!

>
How can I find a large amount of data to a stored procedure in an effective way?

For example do not use a cursor to go through all the lines and then assign values to variables.
>
Leave the query to create the object back to you.

Declare a cursor in a package specification than the result set gives you desired. And to declare a TYPE in the package specification which returns a table composed of % rowtype to this cursor.

Then use this type as the function's return type. Here is the code example that shows how easy it is.

create or replace
    package pkg4
      as
        CURSOR emp_cur is (SELECT empno, ename, job, mgr, deptno FROM emp);
        type pkg_emp_table_type is table of emp_cur%rowtype;
        function get_emp(
                         p_deptno number
                        )
          return pkg_emp_table_type
          pipelined;
  end;
  / 

 create or replace
    package body pkg4
      as
        function get_emp(
                         p_deptno number
                        )
          return pkg_emp_table_type
          pipelined
          is
            v_emp_rec emp_cur%rowtype;
          begin
              open emp_cur;
              loop
                fetch emp_cur into v_emp_rec;
                exit when emp_cur%notfound;
                pipe row(v_emp_rec);
              end loop;
          end;
  end;
  / 

select * from table(pkg4.get_emp(20));

     EMPNO ENAME      JOB              MGR     DEPTNO
---------- ---------- --------- ---------- ----------
      7369 DALLAS     CLERK2          7902         20
      7566 DALLAS     MANAGER         7839         20
      7788 DALLAS     ANALYST         7566         20
      7876 DALLAS     CLERK           7788         20
      7902 DALLAS     ANALYST         7566         20

If you return a line an actual table (all columns of the table) so you don't need to create a cursor with the query a copy you can just declare the type like this % rowtype tables table.

 create or replace
    package pkg3
      as
        type emp_table_type
          is
            table of emp%rowtype;
        function get_emp(
                         p_deptno number
                        )
          return emp_table_type
          pipelined;
  end;
  / 

 create or replace
    package body pkg3
      as
        function get_emp(
                         p_deptno number
                        )
          return emp_table_type
          pipelined
          is
          begin
              for v_rec in (select * from emp where deptno = p_deptno) loop
                pipe row(v_rec);
              end loop;
          end;
  end;
  /

Tags: Database

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    powercfg-h on

    Compact the Windows databases use various

    You can compact the various databases that Windows uses. This is the Windows Update, Windows Search, and certificates of security, Windows Mail, Windows Contacts, Windows, Windows Live and Internet Explorer ver 10 applications calendar.

    Close Windows Mail and Internet Explorer. Wait a minute for Internet Explorer release locks of sound files.

    See how much space taking up type which is below and note the total size (because it scrolls away).

    Start - All Programs - Accessories- Click with the right button on command prompt and choose Run As Administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    dir c:\*.edb c:\*.msmessagestore c:\WebCacheV*.dat c:\catdb/a/s

    Then at compact

    SC stop wuauserv
    stop bits SC
    SC stop wsearch
    SC stop cryptsvc
    for c:\ /r %A in (*.edb *.msmessagestore WebCacheV*.dat catdb *.) do esentutl.exe /p "%A" / o
    for c:\ /r %A in (*.edb *.msmessagestore WebCacheV*.dat catdb *.) do esentutl.exe /d "%A".
    SC start cryptsvc

    SC start wsearch

    SC start bits
    SC start wuauserv

    Then to delete some temporary files.

    del c:\*.integ.raw c:\TEMPDFRG*.edb/s

    To see the new size and compare it to the old size

    dir c:\*.edb c:\*.msmessagestore c:\WebCacheV*.dat c:\catdb/a/s

    If a program has a file open, you can use this procedure to find out which program.

    openfiles/local on

    Reset

    openfiles/query /v | findstr /i "WebCacheV [0-9] *------catdb \.edb \.msmessagestore .dat".

    Delete the files updated by the Service Pack

    See how much space taking up type which is below and note the total size (because it scrolls away). Also, note that the total is higher than it actually is.

    This will remove the ability to uninstall service packs.

    According to the service pack that Windows was provided with you can have both, one or none of these two files.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    dir /a /s c:\Windows\WinSxS

    Then type

    Vsp1cln.exe
    COMPCLN.exe

    To see the new size and compare it to the old size

     
    c:\windows\WinSxS dir /a /s

    Move your Documents

    If you have another disk, you can move the documents folder to it.

    Click with the right button on your Documents (or pictures, etc.) Office, videos, Contacts,) the tab file - Properties - location - move.

     

    Delete the thumbnail and icon Caches

    These files can contain thumbnails or icons of files deleted a long time ago. The files will be recreated if necessary.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste). The desktop and the start menu will disappear briefly.

    To see the size

    dir "% userprofile%\AppData\Local\*.db" "% userprofile%\AppData\Local\Microsoft\Windows\Explorer\*.db" /a

    then remove

    Taskkill /im explorer.exe/f
    attrib - r s h '% userprofile%\AppData\Local\*.db '.
    attrib - r s h '% userprofile%\AppData\Local\Microsoft\Windows\Explorer\*.db '.
    del "% userprofile%\AppData\Local\*.db".
    del "% userprofile%\AppData\Local\Microsoft\Windows\Explorer\*.db".
    Explorer

    to check the new size

    dir "% userprofile%\AppData\Local\*.db" "% userprofile%\AppData\Local\Microsoft\Windows\Explorer\*.db" /a

     

    Remove saved files created by Photo Gallery

     

    Photo Gallery Windows makes a copy of any file that you are editing. Click Start - All Programs - Accessories - (or press the Windows key + R). Type

    Images of the hull: original

    Delete the ones you don't want.

    Which extends the size of the disk

    If all the space on the disk has not all been used it is possible to extend your drive.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    DiskPart

    then type

    Select the c volume:

    Then type to see in size

    the list volume

    then (it will work if possible or not as appropriate)

    extend

    type to display the new size

    the list volume

    then type exit

    output

    If you want advice on the extension of the partition type the following and paste the result back

    DiskPart

    list disk

    the list volume

    Select disk 0

    partition from the list

    Select disk 1

    partition from the list

    output

    To copy the final text right click in the window - Mark , then select the text and press enter.
     

    Compress files

    There are two ways to compress files in windows. Zip files and built-in file compression. It's built-in file compression. For more information on compression type zip in Start - Help and Support .

    Photos, music and video are already compressed. They can get larger if Windows tries to compress it any further. Also usually a bad idea to compress system files.

    If you have files of worksheet they can very well be compressed. If you have files, installation files, they can also be good candidates. Web pages are also good candidates.

    In Windows Explorer, blue file names means Tablet (it is the file system compression not aka zip files compressed files). Green filename means Encrypted.

    To disable file names colored, in Explorer - Tools menu (Alt + T)- display tab and then clear the check box for Show encrypted or compressed NTFS in color .

    Windows compression, encryption and security to work for the most part by applying attributes to a folder and the files in the folder inherit the folder.

    If you have all the files appropriate for compression, find them in solution, made Explorer right click - Properties - general -Advanced button tab - Compress contents to save disk space. Choose to apply to all files and folders when asked.

    To use a command line to compress the files in the Favorites folder.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    compact/c /s:"%userprofile%\Favorites." *

    Put in Favorites to compress files added

    compact/c /s:"%userprofile%\Favorites.

    To view the details of the compression of the Favorites folder

    Compact '% userprofile%\Favorites\*.* '.

     

     

    Turn off the low disk space warnings

    To disable the function to display the disk low space warnings.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    Tracking Add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" v "NoLowDiskSpaceChecks" /t REG_DWORD /d 1 f

    gpupdate/force

     

    Boost disk cleanup

    • Operation of disk cleanup
    • Schedule disk cleanup
    • Creating custom cleaners

    To see a list of products of cleaning disk cleanup.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).

    @echo. & @echo list of cleaners&@echo = & FOR /F "usebackq tokens = 8 delims =-' %i IN ('reg query 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches'") @echo %i

    
 List of cleaners
 ================
 Active Setup Temp Folders
 Content Indexer Cleaner
 Downloaded Program Files
 Hibernation File
 Internet Cache Files
 Memory Dump Files
 Microsoft_Event_Reporting_2.0_Temp_Files
 Offline Pages Files
 Old ChkDsk Files
 Previous Installations
 Recycle Bin
 Setup Log Files
 System error memory dump files
 System error minidump files
 Temporary Files
 Temporary Setup Files
 Temporary Sync Files
 Thumbnail Cache
 Upgrade Discarded Files
 Windows Error Reporting Archive Files
 Windows Error Reporting Queue Files
 Windows Error Reporting System Archive Files
 Windows Error Reporting System Queue Files
 WLX Thumbnail Cache
     

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