Dual usage in plsql

hi,
I have one query for which i am not getting much over net so raising here for help.
when we use SELECT FROM DUAL in PLSQL block , is it working like normal SQL query and does it goes every time to oracle server or it will be processed by PLSQL engine only.
also excessive usage of SELECT FROM DUAL can lead to ORA 600 in PLSQL procedure also or this issue is only limited to ORACLE FORMS.
Thanks.
Edited by: KriC on Feb 28, 2013 7:03 AM

KriC wrote:
hi,
I have one query for which i am not getting much over net so raising here for help.
when we use SELECT FROM DUAL in PLSQL block , is it working like normal SQL query and does it goes every time to oracle server or it will be processed by PLSQL engine only.
also excessive usage of SELECT FROM DUAL can lead to ORA 600 in PLSQL procedure also or this issue is only limited to ORACLE FORMS.
Thanks.
Edited by: KriC on Feb 28, 2013 7:03 AMYes, a select from dual in PL/SQL will involve a call to the sql engine. While the PL/SQL compiler does check for syntax and permissions at compile time, it does not "understand" the query it is checking so cannot optimize it out.
In most recent versions of PL/SQL there is very little need to select from dual as most uses of that idiom can be done through a simple assignement instead.
I have never heard that excessive use of select from dual can cause ORA-00600 errors in any environment, and certainly not in PL/SQL.
John

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Unable to Open a Form - ROS Error : -200

I am not able to open a fmb. i gives me the error message...
ROS ERROR: -200

hi, from METALINK
FRM-10043 Cannot Open File [ID 32968.1]
Modified 11-DEC-2009 Type BULLETIN Status PUBLISHED
Applies to:
Oracle Forms - Version: 6.0.8 to 10.1.2
Information in this document applies to any platform.
Checked for relevance 2-DEC-2009
Purpose
Troubleshooting FRM-10043 Cannot Open File
Scope and Application
Developer
Troubleshooting FRM-10043 Cannot Open File
General Error Description
FRM 10043 Cannot Open File
A.) Migration & Upgrade Problems
1.) Upgrading SQL*Menu 5.0 menus to Oracle Forms 4.5 menus and am receiving FRM-10043 "Cannot Open File" using f45gen.
Solution Description
Make sure Version to Upgrade = 50 is specified in addition to "Upgrade 3.0 Form, 5.0 Menu ..." when using f45gen.
2.) FRM-10043 Cannot Open File when upgrading Designer generated Files
Problem Explanation
The upgrade process does not correctly handle recursive procedures or stacked canvases with right justified fields residing in libraries. The procedure which was appearing twice was mutually recursive with a second procedure.This was not supported / allowed in Forms 3.0 but it worked and isn't supported and allowed in higher formsversions.
Solution Description
The solution was to strip out all the procedures from libraries, upgrade, and copy the procedures back over a block at a time, padding any right justified fields on stacked canvases.
3.) FRM-10043: Cannot open file when upgrading SQL*Forms 2.3 to Oracle Forms 4.5 using f45gen .
Solution Description
Make sure the 'Upgrade 3.0 Form, 5.0 Menu, or 4.0 Module to 4.5 Module?' Forms 4.5 Generator option is checked. This corresponds to the 'Upgrade' keyword used on the f45gen command line.
Example
Use the following Oracle Forms 4.5 Generator Options to upgrade the 2.3 Form: FILE: < Name of Forms 2.3 .INP File > USERID: < Database User Name > PASSWORD: < Database Password for User Name > DATABASE: < Database Connect String > MODULE TYPE: FORM MODULE ACCESS: FILE UPGRADE 3.0 FORM: [X] CHECKED VERSION TO UPGRADE 23 From the command line, use: f45gen form23name.INP scott/tiger upgrade=yes version=23 module_type=form module_access=file
4.) FRM-10043: CANNOT OPEN FILE when upgrading a Sql*forms 3.0 to Forms 5.0 or 6.0
SOLUTION Description
This feature is not supported in Oracle Forms 5.0 and 6.0. The Forms 5.0 online help says: ""Note: To upgrade a version 3.0 or 4.0 form, you must first convert the form to version 4.5, and then convert the version 4.5 form to version 5.0."
5.) FRM-10043 Cannot Open File when upgrading Menus within Forms 4.5 to Forms 5.0.
Problem Explanation
By setting the flag: Upgrade to PL/SQL from V1 to V2, it caused the upgrade to fail and get the 'FRM-10043 Cannot open file' error.
Solution Description
When you are upgrading from the command line or using Forms Compiler, you should have the menu name in all lower case, and if you do this, make sure you have the extension in the same case.
Example
cl_info_menu.mmb NOT.... CL_INFO_MENU.mmb 6.) FRM-10043 Cannot open file ORA-00600: internal error code, arguments: [17289], [1041], [0x402F44C0], ORA-00600: internal error code, arguments: [17281], [1041], [0x402F44C0], ORA-21779: duration not active when compiling a menu
Problem Explanation
Usage of PLSQL deprecated feature in menu trigger or you are upgrading a 5.0 SQL*Menu menu module to Forms9i/10g created this error.
SOLUTION Description
While compilling use UPGRADE_PLSQL=YES
Example
f90genm.sh module=mymenu.mmb module_type=Menu userid=scott/tiger@cs upgrade_plsql=Yes
B.) Problems Opening Modules
1.) ORA-12203 TNS: unable to connect to destination and/or FRM-10043: Cannot open file and/or ORA-1005: null password given; logon denied by double clicking (opening) the file.
Solution Description
Windows File associations if created automatically by the OS do not enclose a command correctly in quotes. This means that any spaces that are included in your filename or path are interpreted by the OS when passed as parameters. Remove any spaces from the path or filename.
Example
c:/Dependency Analysis/mylib.pll change to c:/DependencyAnalysis/mylib.pll
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Solution Description
Don't use umlauts/vowels in the directory name
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This error occurs when you attempt to open an Oracle Forms form, menu "executable file"
Solution Description
You must open the Binary ( Design ) format of the module. You can open the Form .FMB, Menu .MMB and Library .PLL binary files using the Oracle Forms Designer. If you have a text version of the module, you must first convert the text format back to binary format to open the module using the Oracle Forms Designer. The following shows the file extensions for each type of module and storage format.
Text: FMT,MMT, PLD
Designtime: FMB, PLL, MMB
Runtime: FMX, PLL or PLX, MMX
4.) FRM-10043 : Cannot open file in formbuilder if binary file may be corrupt
Solution Description 1
Transfer the .FMB, .MMB or .PLL file again in BINARY mode, and you will be able to open the file using the Oracle Forms Designer.
Solution Description 2
A module which has been worked on before, but suddenly cannot be opened in the Oracle Forms Designer may indicate that the file is corrupt.
Tests
1. Revert to a backup copy of the Oracle Forms file
2. Open the module from the database, if the module had been saved to the database. You can then use FILE->SAVE AS to save the form to the filesystem.
3. Convert from Binary format to Text Format, and then back to binary format.
Reasons
A form can get corrupted due to a number of reasons, including: A series of changes made to the module in the Oracle Forms Designer could have corrupted the form as a result of some bug The file system might not have had enough disk space to save the module The module could have been transferred over a network, and corruption occurred
5.) FRM-10043 : Cannot open file in formbuilder for upgrade .pld files
Solution Description
Upgrading .PLD files is not supported. When upgrading PL/SQL libraries created in Developer/2000 release 1.X, you must convert all .PLD files to .PLL format before you attempt to open them in Developer/2000 Release 2.0.
6.) FRM-10101 : Cannot generate module or FRM-10043 : Cannot open file for modules saved in the database.
Problem Explanation
FRM-10101 occurs when you try to generate a module that is saved in the database and specify extract=yes, or select "Extract module from database into file?" in the Generate Options dialog window. FRM-10043 occurs when you try to generate a module that is saved in the database, but do not specify extract=yes.
Solution Description
The module name is case-sensitive. When modules are saved to the database, the module name is saved in uppercase.
Example
You have saved a form with module name "mm" to the database.
Using Generate from the command line:
f45gen module=MM userid=scott/tiger extract=yes not f45gen module=mm userid=scott/tiger extract=yes
Using the "Generate Options" dialog window:
File: MM Userid: scott/tiger Module type is FORM,MENU or LIBRARY? Select FORM from poplist Module Access is FILE or DATABASE? Select DATABASE from poplist not File: mm Userid: scott/tiger Module type is FORM,MENU or LIBRARY? Select FORM from poplist Module Access is FILE or DATABASE? Select DATABASE from poplist
Problem Description
This error occurs when you attempt to open a form from the database. Access to the form was granted to the user by the form's creator through: FILE->GRANT->MODULE ( Oracle Forms 4.0.x ) or FILE->ADMINISTRATION->MODULE ACCESS ( Oracle Forms 4.5.x ) and the user name given was public.
Solution Description
Run the grant script to grant access to the Oracle Forms 4.x base tables. Grant access to either the user who is unable to open the form, or to PUBLIC. PUBLIC will allow all users access to the Oracle Forms 4.x base tables.
Examples
Forms 4.5.x (run the script frm45grt.sql as SYSTEM and Forms 4.0.x (run the script frm4grnt.sql as SYSTEM).
7.) FRM-10043 CANNOT OPEN FILE for modules attached libraries or subclassed objects from other modules
Solution Description
- Remove the hard coded path. (For libraries: reattache libraries without path, delete the non portable path). - Check if the library or the other modules are in FORMSNN_PATH. - Check if the env variable for FORMSNN_PATH contains more than 255/512 characters. If yes you can use ORACLE_PATH additional for searching files. (NN could be 40,45,50,60,90)
References
Bug:1317608 WEBFORMS FORMS60_PATH LONGER 512 BYTES DOESN'T RETRIEVE THE FMX
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Problem Description
Form refers to OLB library with full path. Forms Builder stores full path of opened Object Library in preferences file and will ignore FORMS60_PATH
Solution Description
1. Open Developer preferences file file in any text editor. On Windows preferences file name is CAUPREFS.ORA and is located direcly in ORACLE_HOME folder. On Unix, preferences file is prefs.ora and is in unix user's home folder. 2. Find "Forms.obj_lib_file" entries and remove path info from library file names. 3. Next time Forms Builder starts, it will search for OLB files using FORMS60_PATH.
9.) FRM-10083 : Cannot find/open module for referenced objects. FRM-10043 : Cannot open file.
Problem Explanation
You receive this error trying to open a form in the Oracle Forms designer. The form you are trying to open has referenced objects. The Oracle Forms designer cannot find the source module in the filesystem that contains the definitions of the referenced objects.
Solution Description 1
FRM-10083/FRM-10043 occur because Oracle Forms cannot find the source module in the filesystem that contains the definitions of the referenced objects. If the source module is saved in the filesystem, Oracle Forms uses the following default search path to find the source .fmb file:
1. If the Full Pathname is specified, use that and no other. If you chose Keep Path when you created the referenced object, the complete directory path of the source module would be in the Reference Source Information in the target module. Thus, you must ensure that the source .fmb file can be found in that directory.
2. If Remove Path was chosen, no directory path is specified in the Reference Source Information in the target module. When Oracle Forms needs to locate the source module to read the definition of a referenced object, it looks for the module in the default search path. Oracle Forms will search for the source .fmb file in the following order: a. The Working/Current Directory ( In the icon property for the application on Microsoft Windows ). b. Sequentially in each of the directories named by the value of the environment variable FORMS45_PATH c. Sequentially in each of the directories named by the value of the environment variable ORACLE_PATH
Solution Explanation
When you create the referenced object, Oracle Forms informs you "It is recommended that the fully qualified path be removed."
Solution Description 2
If you have upgraded from a previous version of Oracle Forms, make sure the Reference source form has also been upgraded, before trying to open the referencing form.
Solution Explanation
All applications that are used as the source for references must be upgraded first, followed by upgrading any applications that make references to these source forms.
10.) ROS Error : -200 FRM-10043 : Cannot open file. FRM-11009 : Failed to load color palette.
Solution Description
Make sure that the directory path for the color palette file name is specified, and the file extension is .pal. Also make sure that this file still exists in the file system, and is readable. To check the color palette name and mode that the designer/builder is using: EDIT->PREFERENCES menu or TOOLS->OPTIONS menu The Color Palette field specifies the name of the Oracle Forms color palette that is automatically loaded when you create a new form. If there is any information typed in this field, Oracle Forms will interpret this as a .pal color palette file that must exist in the file system. If this field is blank, the Oracle Forms default color palette is loaded. Thus, if you are not using a custom color palette, this field should be blank.
Solution Explanation
The Oracle Forms designer/builder uses the color palette as specified in the designer preferences or options field to set the visual attributes for the form you are trying to open. If this color palette file is not found or cannot be read, then the ROS and FRM-10043 errors will occur when you try to open form.
11.) Using f60genm to regenerate a form, you get frm-10043: Cannot open file in the .err file and: X Error of failed request: BadPixmap (invalid Pixmap parameter) Major opcode of failed request:54 (invalid Pixmap parameter)
Problem Explanation
You are using AIX 4.3.1 or higher, and the libXt.a file from that OS version is not compatible with Oracle Forms 6.0.
Solution Description
Copy the library file libXt.a (generally in /usr/lpp/X11/lib/R5) from a pre-AIX 4.3.1 O/S (such as 4.3.0) to a directory that won't overwrite your current OS libXt.a file. The $ORACLE_HOME/lib directory is a good place. Set environment variable $LIBPATH to point to that directory. If the customer does not want to copy single file, have them install the following file set from their IBM vendor: X11.compat.lib.X11R5 4.3.0.0 COMMITTED AIXwindows X11R5 Compatibility Library, and set $LIBPATH to include /usr/lpp/X11/lib/R5 instead of the default OS motif libraries.
12.) FRM-10043 : Cannot open file on Apple
Problem Description
see Note:38213.1
13) FRM-10043 : Cannot open file and Form not created If you try to compile a .pll in frmcmp.exe or frmcmp and use the default moduletype=FORM you receive the error.
Solution Description
You have to use Module Type = LIBRARY for .pll or MENU for .mmb or FORM for .fmb

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Uneven Core usage on dual core processor

Hi there
I noticed today whilst doing some video encoding (.TS files to .MP4) that my Mac Mini is not spreading the load over both of the cores in my dual core processor. Whilst Core 1 is showing nearly 100% Core 2 is hardly being used. Also I noticed that when the load on Core 1 dips then Core 2 will peak but as soon as the load goes back to Core 1 it will equally dip on Core 2 so essentially in Activity Monitor it looks like the core usage is a negative image of each other. The total CPU usage never peaked above 54%.
Could this an indication of a failing CPU or is it a case of poor core management? The software I've been using is VLC Player and also iMagiConverter.
Cheers
Jonty

What I don't understand is why software developers make software (especially video encoding that is all about CPU number crunching) that only utilises 50% of the CPU resources!
There are any number of possible reasons, from an application using a cross-platform code base that doesn't lend itself well to mulitiprocessor optimization for a particular platform, to inexperienced programmers who don't well understand programming for parallel threads, to developers who just want to crank out an application as quickly as they can (iMagiConverter seems to sort of fall into that category, given the number of applications of a similar nature that the "company" has produced). You'd have to get involved in the project development to know for sure.
Regards.

Usage or advantage of Dual Gigabit Ethernet

Just for my curiosity and knowledge, what is the advantage and usage of having a Dual Gigabit Ethernet behind the Mac Pro?
Any examples? or Articles I can read?
thank you

You can use the first one for Internet-bound and local traffic, the second for a local File Server.
IF you have a device that explicitly supports the required bonding protocol, you can bond the two links for even faster transfers.
The speed of even a single Gigabit Ethernet link exceeds almost every Internet connection, so the main benefit is in local file transfers (to other computers or servers).

Dual disk usage, 32 bit and 64 bit

Heres what I have. I bought a dual disk Windows 7. One disk is 32 bit the other 64 bit. I have the 64 bit (disk-1), on my desktop and all is well. I have a laptop with windows Vista, it's a proprietary computer, an Acer. What I want to find
out is can I install The Windows 7 -32 bit (disk-2) on my laptop, and run the 64 bit on my desktop. Is it legal to do this over top of the Vista 32 bit laptop.
Thank you,
Steve

No, it's not legal to use a single license in two different PCs at the same time. A product key is considered as a license. Even though two disk are provided, only a single product key will be provided, meaning, only one license but can be used with different
architectures.Two disks are provided for 32-bit and 64-bit architectures. These two releases can be used in a single PC only, and can even be at the same time as dual boot, but not in two different PCs.
Balaji Kundalam

Usage of dual processor

I'm curious Macromedia are charging CFMX7 per-server, not
per-CPU. So the question is, if you have a dual CPU box, does CFMX7
take advantage of the second CPU? It's particulary important for CF
as it's really CPU-hungy.
Anyone has any experience or tips on this?

SomebodySilly wrote:
> I'm currious, on the Macromedia site it's obvious they
are charging per-server,
> not per CPU. So the question is, if you have a dual CPU
box, does CFMX7 take
> advantage of the second CPU? It's particulary important
for CF as it's really
> CPU-hungy.
1 server install = 2 CPUs (physical), beyond that you need
more licenses.

CiscoWorks how many switches in stack + dual Power supply usage

Hi,
Please tell me that is it possible to see in CiscoWorks that device with dual power supplies is using both or just one. e.g 6500
Also I need to count the total number of physical switches in the company but I am only able to generate a inventory report that only shows logical devices, but it do not show if the switch is stack then how many physical switches are in stack.
Is it also possible to count the total number of physical devices in the company instead of just logical devices.
I am using the
LMS: 1.2.0
RME: 4.3.0
CS:    3.3.0
CM:   5.2.1
DFM: 3.2.0
Thanks.

Thanks for reply.
In the detailed device view I am able to see that switch has 2 power supply, but but unable to see that its using either only one or both. But I understand your point that if its not visible here then its not possible.
Explainantion of my second query: My company want to know that how many physical switches has been installed. We manage over 2500 logical switches in the company and management want to have a report showing that how many total physical switches exist.
Is it possible to generate a report which shows that each logical switch contains how many physical swithes and/ or total number of physical switches in the company.
e.g MLS001 (logical switch) contains sw1 (physical switch), sw2 (physical switch), sw3 (physical switch), sw4 (physical switch)
     MLS002 (logical switch) contains sw1 (physical switch), sw2 (physical switch)
CiscoWorks generate a report shows that 6 physical switches exist.
Please reply ASAP. Thanks

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