Details on using the memory of the PGA

Similar Questions

• problem in the form of master-detail when you use the ADF table for detail

  Hello
  
  jdev version - 11.1.2.1.0
  
  
  I create master shape detail using datacontrol drag as ADF master shape secondary Table.
  
  
  Now when I create a new line in the detail table using the key CreateInsert a new empty row created on top of the secondary table.
  
  and other show line that the previous record data based on the master.
  
  problem is I want to when I click on the createInsert button all the line of the secondary table must be empty and what line to fill two or three user then validate.
  
  
  
  Thanks in advance

  Hello

  If a secondary table has data, then createInsert adds to them. If you want to hide the existing lines, create a new instance of the View object and set the option "extract database" to "No. Rows. Use an af:switcher to change the specified table when the user clicks the createInsert button. There is some coding needed to have this use case in the ADF, but its essentially declarative. Bottom line, is that there is no option automated other than to create new lines in a separate page or dialog box if you are bothered by existing lines

  Frank

• Notice of the PGA in AWR report

  Hello!
  
  So, how can I increase it now? I could not follow.
  
  If someone could guide?
  

  Warning:  pga_aggregate_target was set too low for current workload, as this
            value was exceeded during this interval.  Use the PGA Advisory view
            to help identify a different value for pga_aggregate_target.
  PGA Aggr Target Stats                       DB/Inst: test/test  Snaps: 6220-6221
  -> B: Begin snap   E: End snap (rows dentified with B or E contain data
     which is absolute i.e. not diffed over the interval)
  -> Auto PGA Target - actual workarea memory target
  -> W/A PGA Used    - amount of memory used for all Workareas (manual + auto)
  -> %PGA W/A Mem    - percentage of PGA memory allocated to workareas
  -> %Auto W/A Mem   - percentage of workarea memory controlled by Auto Mem Mgmt
  -> %Man W/A Mem    - percentage of workarea memory under manual control
  
                                                  %PGA  %Auto   %Man
      PGA Aggr   Auto PGA   PGA Mem    W/A PGA     W/A    W/A    W/A Global Mem
     Target(M)  Target(M)  Alloc(M)    Used(M)     Mem    Mem    Mem   Bound(K)
  - ---------- ---------- ---------- ---------- ------ ------ ------ ----------
  B         54          4       80.3        0.0     .0     .0     .0      4,096
  E         54          4       80.5        0.3     .4  100.0     .0      2,113
            -------------------------------------------------------------

  Thanks in advance a ton.

  user645399 wrote:
  Hello!

  So, should I do something like that

  alter system set pga_aggregate_target=218M;
  

  Please advice.

  Thank you.

  Yes increase your pga to 128M. Since oga_aggregate_target is the dynamic parameter. so to increase as

  SQL > alter system set pga_aggregate_target = 218M;

  See you soon

  Neeraj-

• question about the use of the PGA and TEMP

  Hello
  We had a situation whereby OEM reported that because the PGA was too small for a period of time that e/s additional on the TEMP was created. So does that mean that the TEMP has acted as a pseudo PGA.
  
  concerning

  Take a look at these threads
  Re: Problem with memory PGA - Oracle 10.2.0.4 on windows 2003
  Re: Details on using in the memory of the PGA

  
  
  Oracle database FAQ
  
  

• Qosmio G20-118: upgrade memory to 2 GB using the Kingston

  Can the expert no longer please tell me if this specification upgrade memory fits on the Qosmio G20 - 118?

  Kingston memory for dual channel DDR II of motherboards. This package have 2 x DDR2 1024 MB 533 MHz CL4.

  Thank you

  Don t know your detailed specifications module, but you must use the DDR2 533 MHz PC2-4200 memory.

  The module should looks like this:
  Module memory for Qosmio G20-118

• Unable to connect to the PC or use the internal memory

  In early 2009, I bought a 8 GB rocket with a 8 GB SanDisk microSD card and everything was fine.
  I was using your desktop PC running under Windows XP SP2, updates and manage the files in the internal memory and 8 GB microSD card. Then I went abroad for a few months and was using an IBM Thinkpad laptop. Still, everything was fine.

  After his return home tried using the "rocket" with my desktop again. It loads ok but can't see it in the 'windows explorer', WMP11 or among all media players. "Device Manager" shows absolutely nothing about the "rocket".
  SansaUpdater installation can not be completed, peripheral cos is not recognized by Windows.

  I tried the USB, "automatic detection", MTP and MSC modes.
  I also tried another laptop running Windows XP SP3.
  I have read the FAQ here and the title of "Player Sansa" not recognized by the computer to
  http://KB.SanDisk.com/app/answers/detail/A_ID/42/SNO/0
  I have'nt got another cable to check, but I followed some other suggestions.

  Also, I couldn't play anything in the internal memory. So I formatted it.

  'Info' says:
  Firmware version VO1.02.28F
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  SD Card 7572 MB
  Free 521 MB

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  I luv the sound quality of the rocket and you want to use again.

  Can anyone help?
  If it's a matter of windows?
  Is there some kind of driver for Windows XP SP3 that I can download from someware?

  Thank you!

  AT4
  A Samsung YP - T9B 2 GB, I've had since 2007 works very well with PCs and laptops.

  Looks like your cable is going bad. The data connection is different from the connection of load, so you can always load but have a data problem. Software cannot fix a broken wire.

  You can get a generic cable from Amazon for a bit of money and test.

  This cord E200 will also work with the "rocket".

  http://www.Amazon.com/SanDisk-Sansa-series-charge-cable/DP/B000NKCSUC/ref=sr_1_4?ie=UTF8&QID=1354833...

  Or looking accessories sellers to cord sync Fuze on Amazon, cell phone, etc..

• memory of the PGA

  Hi all

  SQL uses memry SGA and collections use PGA in memory only. Is this true?

  Select * twice;

  The sql above must use SGA and PGA together?

  One of SGA components is shared pool. That is your executable version of SQL and PL/SQL. So each SQL uses SGA. SGA is global. Once the executable version of SQL (cursor) is stored in the Shared Pool its accessible through the session.

  On the other hand, PGA's private memory. Its accessibility is limited at the level of the session. That a single session stores in is not visible to the other session. One of the aims of PGA is to store values of Bind.

  Consider this

  Select * from emp where empno: =: emp_no;

  Here emp_no is a variable binding

  The executable version (cursor) to the SELECT statement is stored in the pool shared the SGA. And the value of the Bind variable to: emp_no is stored in the PGA.

  When several session execute the same SQL from different link so the executable (cursor) is shared between the session, while the value of the bind variable is kept secret to each session of the value of the variable.

  When you talk about specific DOUBLE, you must remember DUAL is a very special table and its treaties very differently considered an ordinary table. For example, if you do not select the column DUMMY table DOUBLE then 10g on oracle will not go for a table scan, which means that it will not be a real IO. He'll make a QUICK DOUBLE. Here is an example.

  SQL > set autotrace traceonly explain
  SQL >
  SQL > select * from double;

  Execution plan
  ----------------------------------------------------------
  Hash value of plan: 3543395131

  --------------------------------------------------------------------------
  | ID | Operation | Name | Lines | Bytes | Cost (% CPU). Time |
  --------------------------------------------------------------------------
  |   0 | SELECT STATEMENT |      |     1.     2.     2 (0) | 00:00:01 |
  |   1.  TABLE ACCESS FULL | DOUBLE |     1.     2.     2 (0) | 00:00:01 |
  --------------------------------------------------------------------------

  SQL > select 1 double;

  Execution plan
  ----------------------------------------------------------
  Hash value of plan: 1546270724

  -----------------------------------------------------------------
  | ID | Operation | Name | Lines | Cost (% CPU). Time |
  -----------------------------------------------------------------
  |   0 | SELECT STATEMENT |      |     1.     2 (0) | 00:00:01 |
  |   1.  QUICK DOUBLE |      |     1.     2 (0) | 00:00:01 |
  -----------------------------------------------------------------

  Your next question

  Why use the collections only PGA?

  Because they are the private component that is accessible at the level of the session. And that's why they are stored in the PGA. Don't forget no SGA is global and PGA is local. And this is the reason why the PGA is considered very expensive area and its need to be used properly. And it's one of the reasons why the collection should be used with great caution.

• When memory is allocated to a variable in the language PLSQL and where in the PGA?

  Hi all

  When and where the memory is allocated to a variable?

  declare

  number of my_variable;

  number of my_var0;

  my_var1 number: = 0;

  Start

  my_variable = 1;

  -logical treatment

  end;

  In the example above

  one) because my_var0 is not assigned a number of execution block will be assigned memory with a value of waste inside?

  (b) where my_var1 and my_variable (and my_var0 if it is allocated memory) will have memory allocated (is it in the stack of the PGA space)?

  (c) if the my_var0 is allocated memory in his statement is this rule which applies to any oracle data type defined or defined by the user files or objects viz?

  Can u please help me with an informative article about the allocation of memory in Oracle. Thanks in advance.

  The initial value of a PL/SQL variable is NULL if you do not provide one when it is declared.

  http://docs.Oracle.com/CD/E11882_01/AppDev.112/e25519/fundamentals.htm#LNPLS195

  PL/SQL variable are stored in a private SQL area Global user (UGA) area, and the UGA may be in the PGA or the SGA according to the type of connection you have.  Details of the architecture of memory are documented in the concepts guide.

  Memory architecture

• I tried to make a donation of $20, but will not accept your use of my personal details according to the rules of confidentiality year so my 20 bucks always in my pocket... what to do?

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