Regarding logical and virtual

Hello,
can any one tell me the differences between logical and virtual.

The meaning depends upon the context in which the terms are used.

Similar Messages

Difference between logical and virtual terms

Hello,
This is not purely oracle question; but in documentation so many times we find 2 terms:
A. Logical
B.Virtual.
So what is the principle difference between logical and virtual? As I know physical is that which I can see and touch; while logical/virtual is that is imaginary. We say tablespace is logical not virtual; while Java Virtual Machine; not Java Logical Machine. So I want to know; what is the principle difference; why two words for an imaginary thing. Before posting question; I searched in google as “Difference between virtual and logical” but I couldn’t found the answer.
Please quote your comments.
Thanks & Kind Regards
Girish Sharma

Girish,
I wont say that I am correcting you as this is like that half glass full/empty thing.May be what I see is half empty , you would see the same as half full.
Well now coming to the explanation.I am saying honestly , I got more confused after reading your definitions.What do you mean by saing that tablespace is not virtual.I see it as purely virtual.We don't say it as virtual tablespace or logical tablespace but it is actualy logical/virtual, having no existance but just the definition right?
How can you say that the size of virtual is larger than logcial?The size of tablespace is actualy the sum total of size of datafiles.So it actualy becomes very larger right?Much larger than JVM which is of few megs only.
The point 3 totally knocked me out.I have no idea what you said.
Ok I tell you this.Just remember the definition that Hans gave already.If you ask me than its the best definition that we can have. Just remember this and if some one asks you more further than give them your point 3 definition and tell them understand this ;-).Please don'tmind I am just kidding. Its just semantics.Don't get lost into it.You will find many people using both the terms interchangibly. So its ok.I shall stick with Hans's defintion,simple and concise.There are lot more other topics to dig upon in oracle.I can mail you lots of them.Spend time on those.Don't think that I am demotivating you.I understand you asked only because you have a doubt.But we got a good resolution of it and beyond that, its not of much use to dig it atleast not in the technial terms.
Cheers
Aman....
PS:Are you on oraclecommunity.net?

What is a Logical and Physical file path in sap?

what is a Logical and Physical file path in sap?

Hi,
Physical file is what you see from the OS level.
Logical file is what ABAP code can call certain functions to read/write.
Transaction FILE would link them together. Typically the logical path ends with "<FILENAME>", and the logical file refers to the logical path.
To extract the physical path from the logical path name
DATA: lf_mandt TYPE sy-mandt,
        lf_opsys TYPE sy-opsys.
lf_mandt = sy-mandt.
lf_opsys = sy-opsys.
To extract the physical path from the logical path name
CALL FUNCTION 'FILE_GET_NAME'
    EXPORTING
      client           = lf_mandt
      logical_filename = p_unix
      operating_system = lf_opsys
    IMPORTING
      file_name        = gwa_input
    EXCEPTIONS
      file_not_found   = 1
      OTHERS           = 2.
IF sy-subrc EQ 0.
Concatenating the physical path and the input unix file name
    CONCATENATE gwa_input p_file INTO gf_file .
ENDIF.
Reward if helpful.
Regards,
Ramya

How to Install Physical and Virtual Host

I am getting licensing issues after I installed Essentials 2012R2 on a physical machine and then used the same license to virtualize it. It's saying my physical machine needs to hold all the FSMO roles in which my virtual machine is hosting those roles.
I read that Microsoft allows you to use the Essentials license for the physical and virtual server. Is that correct?
Is there a specific service I need to remove on the physical machine in order for these errors to stop? I still have the Windows Server Essentials Experience service installed. Is that what needs to be removed?
Thanks,
Doug

Hi Doug,
There is an article that provide details of licensing for Windows Server 2012 R2 Essentials. Please refer to and check if can help us to understand licensing for Windows Server 2012 R2 Essentials better.
Understanding Licensing for Windows Server 2012 R2 Essentials and the Windows
Server Essentials Experience role
Please also refer to following article and check if can help you.
Customize Deployment - Windows Server Essentials
If any update, please feel free to let me know.
Hope this helps.
Best regards,
Justin Gu
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Question regarding Dashboard and column prompt

My question regarding Dashboard and column prompt:
1) Dashboard prompt usually work with only for columns which are in subject area. In my report I've created some of the columns which are based on other columns. Like I've daysNumber column that is based on two other columns, as it calculates the difference of two dates. When I create dashboard prompt I can't find this column there. I need to make a prompt on this column.
2)For one of the column I've only two values 1 and 0. When I create prompt for this column, is it possible that in drop down list It shows 'Yes' for 1 and 'No' for 0 and still filter the request??

Hi Toony,...
I think there was another way of doing this...
In the dashboard prompt go to Show option > select SQL Results from dropdown.
There you need to write your Logical SQL like...
SELECT CASE WHEN 1=0 THEN PERIODS.YEAR ELSE difference of date functionality END FROM SubjectAreaName
Here.. Periods.Year is the column which is already exists in repository's presentation layer..
and difference of date functionality is the code or formula of column which you want to show in drop-down...
Also write the CASE WHEN 1=0 THEN PERIODS.YEAR ELSE difference of date functionality END code in fx of that prompt.
I think it helps you in doing this..
Just check and inform me if it works...
Thanks & Regards
Kishore Guggilla
Edited by: Kishore Guggilla on Oct 31, 2008 9:35 AM

PLEASE HELP ME TO FIND THE SOLUTION REGARDING "LOGICAL SYSTEM CHANGED"

HAI EVERYBODY,
PLEASE HELP ME TO FIND THE SOLUTION REGARDING "LOGICAL SYSTEM CHANGED" during the material master replication by using middleware parameters.
step1 : i have taken SRM client 810 and named it as CHINNISRM
step2 : i have taken r3 client 810 and named it as CHINNIR3
step3: During material master replication i maintained tables like crmconsum,crmrfcpar,crmparoltp in r3 and smofparsfa in srm client and filtered the objects and loaded the objects through r3ac3,r3ac1,r3as.
step4 : And later i have checked in r3 queues to activate the objects,but i have seen a message like "LOGICAL SYSTEM CHANGED:SEE 588701".according to the oss instructions i have checked in CRMPRLS table in se16 in R3 .there i found out there is one logical client named with T90CLNT810.
oss :588701
Solution
There are different cases in which different forms of processing are
required or where several options exist:
- The logical system name of an R/3 Backend client was changed in
current operation. In this case, the data hangs in the outbound
queues of the R/3 Backend system as specified under point 1 of
the symptom. In this case, the logical system name must be
changed back to the original value. Then the outbound queues
can be reactivated. If no data was transferred to the EBP/CRM
server before the change, also a correctioin of the check table
is possible.
- The same logical system name was used again in a new client of
an R/3 Backend system that was linked to the EBP/CRM server. In
this case, the data is in the inbound queue of the EBP/CRM
server with the exception GUID_FOR_LOGSYS_CHANGED. In this
case, the queue entries which have status SYSFAIL must be rejected, however, not the entire queues. If the new client of the R/3 Backend system you have linked has exactly the same
data as the old client and if it is meant to replace the old
client (that is, this was deactivated), also a correction of
the check tables is possible. In this case, the inbound queues
can be reactivated after the correction.
oss:765018
1. If the situation in your system corresponds to the situation described
under "Reason and Prerequisites" and if symptom 1 occurs, you can
delete the table entry from table CRMPRLS table (there is just one
entry). Since there is no maintenance dialog for this table and you
cannot maintain it using transaction SE16, you must use a report to
delete it. This report is attached to this note as correction
instructions.
Create the report ZZ_DELETE_CRMPRLS in your system and copy the source
code from the correction instructions. You cannot implement this
source code using transaction SNOTE.
You can use the report in every plug-in or plug-in basis system, even
if it is not specified in the validity section.
After you have run the report, you can trigger existing queues again
in transaction SMQ1.
2. If the situation in your system corresponds to the situation described
under "Reason and prerequisite" and if symptom 2 occurs, you can
delete the entry from table CRMMLSGUID (there is just one entry).
Since there is no maintenance entry for this table and you cannot
maintain it using transaction SE16, you must use a report to delete
it. This report is attached to this note as correction instructions.
If they do not yet exist, add the following messages to message class SMOF in your logon language:
Message Message short text
303 User &1 is not allowed to change table &2.
304 User &1 IS not allowed to display table &2.
305 Logical system &1 was not found in table &2.
306 System error! The current client was not
found in table T000.
Create the report ZZ_DELETE_CRMMLSGUID in your system and copy the
source code from the correction instructions. You cannot implement
this source code using transaction SNOTE.
You can use the report for every release of the CRM system, even if it
is not specified in the validity section. The only exceptions are CRM
releases with Support Package versions that are too low such as CRM
Release 3.0 with Support Package 12.
After you have run the report, you can trigger existing queues again
in transaction SMQ1 of the R/3 back-end system or transaction SMQ2 of
the CRM system.
so what should i do to do the replication.please suggest me .untill and unless i solve my problem i cant move to the further activity.i hope you people can solve my problem.thanks in advance.
thanks and best regards,
n.chakradhar

Hi chakradhar,
Did you find a solution to your issue? We are facing a similar issue and looking to figure out how this can be resolved.
BR// 420

Diff between logical and physical file path

Hi ,
Could you please explain difference between logical and physical file path's and their importance in ABAP.
Thanks and regards,
shyla

Hi
The function module FILE_GET_NAME convert a logical path into its corresponding physical path.
The advantage of using logical pathes within your applications is obivous:
If you need to change the physical path you just adjust it within transaction FILE yet no changes are required to your application.
http://help.sap.com/saphelp_erp2005vp/helpdata/en/25/ab3a57df3b11d189fc0000e829fbbd/frameset.htm
The file names that you use in ABAP statements for processing files are physical names. This means that they must be syntactically correct filenames for the operating system under which your R/3 System is running. Once you have created a file from an ABAP program with a particular name and path, you can find the same file using the same name and path at operating system level.
Since the naming conventions for files and paths differ from operating system to operating system, ABAP programs are only portable from one operating system to another if you use the tools described below.
To make programs portable, the R/3 System has a concept of logical filenames and paths. These are linked to physical files and paths. The links are created in special tables, which you can maintain according to your own requirements. In an ABAP program, you can then use the function module FILE_GET_NAME to generate a physical filename from a logical one.
Maintaining platform-independent filenames is part of Customizing. For a full description, choose Tools ® Business Engineer ® Customizing, followed by
Implement. projects ® SAP Reference IMG. On the next screen, choose Basis Components System Administration ® Platform-independent File Names.
For a more detailed description of the function module FILE_GET_NAME, enter its name on the initial screen of the Function Builder and choose Goto Documentation. On the next screen, choose Function module doc.
Another way of maintaining platform-independent filenames is to use the Transaction FILE. The following sections provide an overview of the transaction.
To create a logical filename, choose Logical filename definition, client-independent from the Navigation group box in Transaction FILE, then choose New entries. You define logical filenames
You can either define a logical filename and link it to a logical path (as displayed here), or you can enter the full physical filename in the Physical file field. In the latter case, the logical filename is only valid for one operating system. The rules for entering the complete physical filename are the same as for the definition of the physical path for the logical file. To display further information and a list of reserved words, choose Help.
If you link a logical path to a logical file, the logical file is valid for all syntax groups that have been maintained for that logical path. The filename specified under Physical file replaces the reserved word in the physical paths that are assigned to the logical path. To make the name independent of the operating system, use names that begin with a letter, contain up to 8 letters, and do not contain special characters.
Save your changes.

Diff between logical and physical page ?

hi
what exactly difference between logical and physical pages?
where to set page size in report designer?
after seting paper size in report designer can i readjust in print dialogue box?
which is will be effected?
please explain

A logical page can contain several physical pages. Assume you want to create a format which is larger then your printer is able to print, then you can define a logical size, which contains n pages horizontally and m pages vertically.
To set the page size for your report have a look at the properties in the main section of your paper layout.
Regards
Rainer

Clarification Regarding Logical System Names

HI all,
I read the blogs regarding Logical System Name, even I am having the some problems in my system.
For PI system client is 100.
R/3 System Client is 100 is created.
IN PI when I checked the sale->basic setting-> LOgical Settings-> Assign Logical Systems
I found there is only one client 100, and it is having the same logical system name as 'PICLNT100'.
In SLD one Business System is created for Client 100 and having the Logical System Name is 'PICLNT100'.
When I checking in the R/3 system that logical system Name ('PICLNT100') is not there and for r/3 client 100 having the different logical system name.
IN ID when I found the Goto ID->File Buinsess system and Menu ->Services->Adapter Specific Identifiers->Logical Ssytem,
It is different from the SLD logical System Name.
How Can I know in PI, that Logical System is belongs to r/3 or PI client 100,
when I running the sceanrio it is giving error as ATTRIBUTE_INV_SND_SERV while doing the file to Idoc scenario.
How I have to maintain the logical system names in this case?
please help me in this.
Regards,
Sree

hi.
each r3 system has his own SLN (PI,BI,ECC,etc). this name identify each R3 sytem.
http://help.sap.com/saphelp_nw04/helpdata/en/78/217dc151ce11d189570000e829fbbd/frameset.htm
IN ID when I found the Goto ID->File Buinsess system and Menu ->Services->Adapter Specific Identifiers->Logical Ssytem,
to export data of your R3 system to SLD, just do it from TCODE RZ70 in your r3 system, not PI.
once you configure it all data from r3 system is exported to SLD.
if the SLN does not match in Adapter Specific Identifiers->Logical Ssytem, edit the Bussines System (press in the little pencil) go to Adapter Specific Identifiers->Logical Ssytem and prees in the little hand icon. in the SLN in not refresh, go to menu enviroment--> CLEAR SLD DELTA CACHE. and repeat the steps before.
each time you send data to an R3 system and the sender system is a legacy. in your receiver communication channel>header mapping>sender system--> select the PI Bussines system and try again.
hope its helps
Rodrigo
PD: rewards points if useful

How to enable diagnostics in cloud services and virtual machine

Hi All,
I need to enable diagnostics for cloud services and virtual machine in our
cloud environment. I referred the below link.
https://convective.wordpress.com/2014/06/27/using-azure-monitoring-services-api-with-azure-cloud-services/
Installed azure SDK 2.5 and cloud services instance is not displayed for cloud services in Visual studio 2013. Please provide the steps to enable at run time.
1) How to enable this diagnostics at run time.
2) How to enable event logs for cloud and Virtual machine
3) How to get the event log data's from REST API.
Please help to resolve this.
Thanks.
Regards,
Rathidevi

hi Rathidevi,
In addition, you could enable diagnostics feature on VM from this blog:
http://azure.microsoft.com/blog/2014/09/02/windows-azure-virtual-machine-monitoring-with-wad-extension/
Please refer to it.
Regards,
Will
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BadRequest: Virtual machines with secondary network interfaces and virtual machines with no secondary network

I'm trying to create an "ExtraLarge" VM with multiple NICs. The New-AzureVM returns the following error:
BadRequest: Virtual machines with secondary network interfaces and virtual machines with no secondary network
interfaces are not supported in the same deployment, also a virtual machine having no secondary network interfaces
cannot be updated to have secondary network interfaces and vice-versa.
But I have no other VMs. Or at least I did and then deleted them and all their disks. The service has no deployments (either staging or production).
Why is New-AzureVM complaining about a mismatch of VMs with and without secondary network interfaces when no other VMs exist?
I have tried many things to fix this, including the deletion of ALL of my resources. I have deleted and created the service many times, both with an affinity group and without. I have a screen print of the -debug output if your interested.
Thanks for the outstanding help.

Hi Ron,
IMPORTANT NOTE: Please do not post the CONFIDENTIAL DETAILS ever on the public forums, this is HIGH RISK action.
Please send an email with your contact details to my email
[email protected] so that I guide you on steps which help you come out of the current scenario. Thank you for understanding.
I suggest you to create a new VNET and new VM with cloud services. Create Multiple NIC VM. Let us know the results.
Ref:
http://azure.microsoft.com/blog/2014/10/30/multiple-vm-nics-and-network-virtual-appliances-in-azure/
http://blogs.technet.com/b/canitpro/archive/2014/11/04/step-by-step-create-a-vm-with-multiple-nics-in-azure.aspx
If you are unable to create a VM with multiple NIC, please open a support case as it requires more confidential information which is out of scope of FORUM support offerings.
Regards,
Girish

Template UI Logic and backingbean

Hi,
I'm new to adf and i'm trying to build a sample project with jDevelopper 11.1.2.1.0 for my company to know if we can switch to it.
I've go a use case to implement but i've got some issues to understand how i can do it.
I must create a view with :
1) a top zone with a toolbar (and other stuff)
2) a center zone with a panel tabbed
2.a) In the first tab, a bounded table with some columns
2.b) In the second tab a splitter
2.b.i ) In the first facet of the splitter a second bounded table with some other columns (but linked to the same iterator)
2.b.ii) In the second facet of the splitter a form (to edit the data)
3) a bottom zone with a statut toolbar.
I've created my toolbar with a declarative component following the adf corner [079. Strategy for implementing global buttons in a page template|http://www.oracle.com/technetwork/developer-tools/adf/learnmore/79-global-template-button-strategy-360139.pdf], my toolbar have 5 buttons (create, edit, save, cancel and delete).
I then created a template for placing panel, and table splitter ui components with a backingbean used for binding the ui components (in backingbean scope, its' important cause the template could be on the same page with nested template tag)
I've created a taskflow following the adf corner [007.How to cancel an edit form, undoing changes with ADFm savepoints|http://www.oracle.com/technetwork/developer-tools/adf/learnmore/007-cancelform-savepoint-169126.pdf] for the edit form
I created a page that inherits my template, placed the declarative component toolbar at the top, placed the two bounded datatable in the facets of the template, and finally created a normal region calling the taskflow.
When i click on the create button, the template backing bean receive the "event" and handle it, changing a task flow parameter.... (updating the region)
My taskflow update and show me the create form... no problem....
But if the user is on the first tab, he sees nothing. So i would like to change the disclosed property of the showDetailItems of the panelTabbed.
I then created a variable in the pageDef of the template that would store a boolean value if the page is in EditMode or not. (create and edit is edit mode. save, cancel and delete is not)
I created a contextual event to listen when that variable change, like that a datacontrol from a bean with a single public method could handle that change :
onIsEditModeChanged(boolean newValue){
getGUI().swicthShowDetailItem(newValue);
}The method try to get the backingbean of the template (with a el expression), and then call a updatePanel(Boolean newValue) for changing the disclosed property of the showDetailItems :
public BackingBeanTemplate001 getGUI()
FacesContext context = FacesContext.getCurrentInstance();
ELContext eLContext = context.getELContext();
ExpressionFactory expressionFactory = context.getApplication().getExpressionFactory();
ValueExpression createValueExpression =
expressionFactory.createValueExpression(eLContext, "#{backingBeanScope.backingBeanTemplate001}", BackingBeanTemplate001.class);
return (BackingBeanTemplate001)createValueExpression.getValue(eLContext);
public void swicthShowDetailItem(Boolean newValue) {
if (newValue) {
  if(!showDetail2.isDisclosed()){
   showDetaill1.setDisclosed(false);
   showDetaill2.setDisclosed(true);
}Here's my issue :
When the onIsEditModeChanged method is called the backingbean of the template doesn't exist in the context.
So adf create a new instance of it but doesn't fill the ui component references of the page so i can't change the properties cause i get a NPE.
of course showDetail2 and showDetail1 have their binding property set :
<af:showDetailItem text="showDetail1" id="pt_sdi1" stretchChildren="first" binding="#{backingBeanScope.backingBeanTemplate001.showDetail1}">
And
<af:showDetailItem text="showDetail2" id="pt_sdi1" stretchChildren="first" binding="#{backingBeanScope.backingBeanTemplate001.showDetail2}">the backingBeanScope.backingBeanTemplate001 is referenced in adfc-config.xml :
<managed-bean id="__5">
    <managed-bean-name>backingBeanTemplate001</managed-bean-name>
    <managed-bean-class>org.darkink.test.backingbean.template.BackingBeanTemplate001</managed-bean-class>
    <managed-bean-scope>backingBean</managed-bean-scope>
</managed-bean>If i put a button IN the template that change my attribut value :
public void switchAction(ActionEvent actionEvent) {
        BindingContext bindingContext = BindingContext.getCurrent();
        DCBindingContainer bindingContainer = (DCBindingContainer)bindingContext.getCurrentBindingsEntry();
        AttributeBinding binding = (AttributeBinding)bindingContainer.getControlBinding("isEditModeAttr");
        binding.setInputValue(true);
}I dont have the NPE, at the "JSF Invoke Application" the bean already exists in the context (it is created at the "JSF Restore View") and all the ui component are NOT null.
BUT if a place my button in the page that inherits the template and i call that method :
public void switchAction(ActionEvent actionEvent) {
        BindingContext bindingContext = BindingContext.getCurrent();
        DCBindingContainer bindingContainer = (DCBindingContainer)bindingContext.getCurrentBindingsEntry();
        DCBindingContainer bcPtb1 = (DCBindingContainer)bindingContainer.get("ptb1");
        AttributeBinding binding = (AttributeBinding)bcPtb1 .getControlBinding("isEditModeAttr");
        binding.setInputValue(true);
}everything works the same BUT at the "JSF Invoke Application" the bean doesn't exist in the context (so adf create it, BUT doesn't fill the ui component bindings).
The strange thing is that at the "JSF Restore View" the backingbean is well created and filled with the ref of the ui components....
So here's my questions :
1) Why there is a difference when my button is on the template and when it's on the page ??? (with the backingbean)
2) Why the backingbean is not fully created (only the constructor is called and not the ui components bindings)
3) How can i realise my use case ?
4) Is there another method to implement UI Logic with template ?
5) Is there a better way to do this ?
6) How to get the context of the template ?
Thanks a lot for all of you who had the patience to read all of this, i know it's a lot
but i didn't know how to explain my problem without all thoses explanations.
I've read all the adf corner and all the given pdf books on the site (that i've found) trying to search for a solution and
didn't find one. So please don't tell me read the books, or the solution is already documented...
It would be a lot more helpfull to explain me why it's not working or why what a did is not a good solution.
Sorry for my poor english too.
Thanks a lot....
Angle
P.S 1:
In the swicthShowDetailItem method i've tried to change for using this :
if (newValue) {
RichShowDetailItem c = (RichShowDetailItem)getComponent("pt1:pt_pt1:pt_sdi2");
if (!c.isDisclosed()) {
  ((RichShowDetailItem)getComponent("pt1:pt_pt1:pt_sdi1")).setDisclosed(false);
  c.setDisclosed(true);
}It's working... but ugly and not efficient... so for me it's not a good answer....
P.S 2:
Another solution that i've found is that i could create an hidden button on the template
that call the change event and in the page create a button that queue a click event
on that button but for me it's not a solution.
P.S 3:
I dont like a JavaScript solution neither. for me, if a can bind my ui components to a backingbean
i want to be able to use them !!!
Edited by: 915518 on 19 févr. 2012 12:04
Edited by: 915518 on 19 févr. 2012 12:10

Hi,
There will not any performance issue as such as all the code will be executed by the same Dialog workprocess in the application server.
But it is alwys good to keep you flow logic and application logic seperated, so flow logic just calls the methods and the methods are in a different component like a static method of a class or function module in a function group.
Best thing is Function Group as you can have screens in a Function pool.
Regards,
Sesh

Run Oracle Web Logic and Oracle Application Server 10g on same server

Since oracle has chosen to release adf faces 11g, before the SOA suite 11g is released, we are facing the challenge to run both Oracle Web logic and Oracle Application Server 10g on the same server.
If anyone have any experience in this setup or has knowledge of other feasable setups please let me know.
Regards.
Jan

What version of Oracle Application Server 10g are you installing?
If you are installing 10gR2 (v10.1.2.x) have you taken a look at point #70 in "Table 2 Additional Information for Certified Platforms" section here?
http://www.oracle.com/technology/software/products/ias/files/as_certification_r2_101202.html
Thanks
Shail

HOW TO USE LOGICAL AND OR CONDITION TOGETHER

Please do not post subject in ALL CAPITALS
Hi All there,
How to use logical and or condition together
I wanted to use logical AND OR condition together in where clause of Select Query.
eg where xyz and or abc
Regards
Sagar
Edited by: Matt on Mar 17, 2009 1:05 PM
Edited by: Matt on Mar 17, 2009 1:05 PM

hi,
You cannot use the logical and or condition together at the same time in SQL statement. Sachin is correct while using the and and or in the same condition. You can get the data using or condition in SQL statement, and then use the delete statement of internal table using the end condition. please find the following code for the same.
select *
from dtab
where cond1 eq 'A1'
or cond2 eq 'A2'.
if sy-subrc eq 0.
delete itab where cond1 eq 'A1' and 'A2'.
endif.
regards,
Veeresh

How to get a column by applying logical AND operator on two column ?

All column are VARCHAR2 data type.
I have table output in this way :
col1 col2
True True
True False
False FalseBut i want a additional column in this way :
col1 col2 result
True True True
True False False
False False FalseAs the output indicates its clear that resut column is logical AND operator
on col1 and col2. How to achieve this ?

try this
WITH logic AS
     (SELECT 'TRUE' col1, 'TRUE' col2
        FROM DUAL
      UNION ALL
      SELECT 'TRUE' col1, 'FALSE' col2
        FROM DUAL
      UNION ALL
      SELECT 'FALSE' col1, 'TRUE' col2
        FROM DUAL
      UNION ALL
      SELECT 'FALSE' col1, 'FALSE' col2
        FROM DUAL)
SELECT col1, col2,
       CASE
          WHEN 'FALSE' IN (col1, col2)
             THEN 'FALSE'
          ELSE 'TRUE'
       END AS log_and,
       CASE
          WHEN 'TRUE' IN (col1, col2)
             THEN 'TRUE'
          WHEN 'FALSE' IN (col1, col2)
             THEN 'FALSE'
       END AS log_or
FROM logic
Explain complete.
PLAN_TABLE_OUTPUT
| Id | Operation        | Name | Rows | Bytes | Cost (%CPU)|
|   0 | SELECT STATEMENT |      |     4 |    32 |     8   (0)|
|   1 | VIEW            |      |     4 |    32 |     8   (0)|
|   2 |   UNION-ALL      |      |       |       |            |
|   3 |    FAST DUAL     |      |     1 |       |     2   (0)|
|   4 |    FAST DUAL     |      |     1 |       |     2   (0)|
|   5 |    FAST DUAL     |      |     1 |       |     2   (0)|
|   6 |    FAST DUAL     |      |     1 |       |     2   (0)|
Note
   - 'PLAN_TABLE' is old version
16 rows selected.regards,
friend

Regarding logical and virtual

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