What are the oracle processes involved in Data Guard Operation

Hi All,
I have a Primary and secondary physical standby database.
I want to know what are the oracle processes involved in the synchrnization between primary and secondary.
Thanks
Santosh

The best place to get this information is Data Guard Concepts and Administration Guild
The link for 10g Release 2
http://download-east.oracle.com/docs/cd/B19306_01/server.102/b14239/concepts.htm#i1039416
The link for 10g Release 1
http://download-west.oracle.com/docs/cd/B14117_01/server.101/b10823/concepts.htm#1039415
The link for Oracle 9i
http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96653/concepts.htm#1027493

Similar Messages

What are the major process to transfer the data from legacy to sap system.

What are the major process to transfer the data from legacy to sap system using BDC at Real Time only?

hi,
BATCH DATA COMMUNICATION
main methods are:
1. SESSION METHOD
2. CALL TRANSACTION
3. DIRECT INPUT
Advantages offered by BATCH INPUT method:
1. Can process large data volumes in batch.
2. Can be planned and submitted in the background.
3. No manual interaction is required when data is transferred.
4. Data integrity is maintained as whatever data is transferred to the table is through transaction. Hence batch input data is submitted to all the checks and validations.
To implement one of the supported data transfers, you must often write the program that exports the data from your non-SAP system. This program, known as a data transfer program must map the data from the external system into the data structure required by the SAP batch input program.
The batch input program must build all of the input to execute the SAP transaction.
Two main steps are required:
To build an internal table containing every screen and every field to be filled in during the execution of an SAP transaction.
To pass the table to SAP for processing.
Prerequisite for Data Transfer Program
Writing a Data Transfer Program involves following prerequisites:
Analyzing data from local file
Analyzing transaction
Analyzing transaction involves following steps:
The transaction code, if you do not already know it.
Which fields require input i.e., mandatory.
Which fields can you allow to default to standard values.
The names, types, and lengths of the fields that are used by a transaction.
Screen number and Name of module pool program behind a particular transaction.
To analyze a transaction::
Start the transaction by menu or by entering the transaction code in the command box.
(You can determine the transaction name by choosing System Status.)
Step through the transaction, entering the data will be required for processing your batch input data.
On each screen, note the program name and screen (dynpro) number.
(dynpro = dyn + pro. Dyn = screen, pro = number)
Display these by choosing System Status. The relevant fields are Program (dynpro) and Dynpro number. If pop-up windows occur during execution, you can get the program name and screen number by pressing F1 on any field or button on the screen.
The technical info pop-up shows not only the field information but also the program and screen.
For each field, check box, and radio button on each screen, press F1 (help) and then choose Technical Info.
Note the following information:
- The field name for batch input, which youll find in its own box.
- The length and data type of the field. You can display this information by double clicking on the Data Element field.
Find out the identification code for each function (button or menu) that you must execute to process the batch-input data (or to go to new screen).
Place the cursor on the button or menu entry while holding down the left mouse button. Then press F1.
In the pop-up window that follows, choose Technical info and note the code that is shown in the Function field.
You can also run any function that is assigned to a function key by way of the function key number. To display the list of available function keys, click on the right mouse button. Note the key number that is assigned to the functions you want to run.
Once you have program name, screen number, field name (screen field name), you can start writing.
DATA TRANSFER program.
Declaring internal table
First Integral Table similar to structure like local file.
Declaring internal table like BDCDATA
The data from internal table is not transferred directly to database table, it has to go through transaction. You need to pass data to particular screen and to particular screen-field. Data is passed to transaction in particular format, hence there is a need for batch input structure.
The batch input structure stores the data that is to be entered into SAP system and the actions that are necessary to process the data. The batch input structure is used by all of the batch input methods. You can use the same structure for all types of batch input, regardless of whether you are creating a session in the batch input queue or using CALL TRANSACTION.
This structure is BDCDATA, which can contain the batch input data for only a single run of a transaction. The typical processing loop in a program is as follows:
Create a BDCDATA structure
Write the structure out to a session or process it with CALL TRANSACTION USING; and then
Create a BDCDATA structure for the next transaction that is to be processed.
Within a BDCDATA structure, organize the data of screens in a transaction. Each screen that is processed in the course of a transaction must be identified with a BDCDATA record. This record uses the Program, Dynpro, and Dynbegin fields of the structure.
The screen identifier record is followed by a separate BDCDATA record for each value, to be entered into a field. These records use the FNAM and FVAL fields of the BDCDATA structure. Values to be entered in a field can be any of the following:
Data that is entered into screen fields.
Function codes that are entered into the command field. Such function codes execute functions in a transaction, such as Save or Enter.
The BDCDATA structure contains the following fields:
PROGRAM: Name of module pool program associated with the screen. Set this field only for the first record for the screen.
DYNPRO: Screen Number. Set this field only in the first record for the screen.
DYNBEGIN: Indicates the first record for the screen. Set this field to X, only for the first record for the screen. (Reset to (blank) for all other records.)
FNAM: Field Name. The FNAM field is not case-sensitive.
FVAL: Value for the field named in FNAM. The FVAL field is case-sensitive. Values assigned to this field are always padded on the right, if they are less than 132 characters. Values must be in character format.
Transferring data from local file to internal table
Data is uploaded to internal table by UPLOAD of WS_UPLOAD function.
Population of BDCDATA
For each record of internal table, you need to populate Internal table, which is similar to BDCDATA structure.
All these five initial steps are necessary for any type of BDC interface.
DATA TRANSFER program can call SESSION METHOD or CALL TRANSACTION. The initial steps for both the methods are same.
First step for both the methods is to upload the data to internal table. From Internal Table, the data is transferred to database table by two ways i.e., Session method and Call transaction.
SESSION METHOD
About Session method
In this method you transfer data from internal table to database table through sessions.
In this method, an ABAP/4 program reads the external data that is to be entered in the SAP System and stores the data in session. A session stores the actions that are required to enter your data using normal SAP transaction i.e., Data is transferred to session which in turn transfers data to database table.
Session is intermediate step between internal table and database table. Data along with its action is stored in session i.e., data for screen fields, to which screen it is passed, the program name behind it, and how the next screen is processed.
When the program has finished generating the session, you can run the session to execute the SAP transactions in it. You can either explicitly start and monitor a session or have the session run in the background processing system.
Unless session is processed, the data is not transferred to database table.
BDC_OPEN_GROUP
You create the session through program by BDC_OPEN_GROUP function.
Parameters to this function are:
User Name: User name
Group: Name of the session
Lock Date: The date on which you want to process the session.
Keep: This parameter is passed as X when you want to retain session after
processing it or to delete it after processing.
BDC_INSERT
This function creates the session & data is transferred to Session.
Parameters to this function are:
Tcode: Transaction Name
Dynprotab: BDC Data
BDC_CLOSE_GROUP
This function closes the BDC Group. No Parameters.
Some additional information for session processing
When the session is generated using the KEEP option within the BDC_OPEN_GROUP, the system always keeps the sessions in the queue, whether it has been processed successfully or not.
However, if the session is processed, you have to delete it manually. When session processing is completed successfully while KEEP option was not set, it will be removed automatically from the session queue. Log is not removed for that session.
If the batch-input session is terminated with errors, then it appears in the list of INCORRECT session and it can be processed again. To correct incorrect session, you can analyze the session. The Analysis function allows to determine which screen and value has produced the error. If you find small errors in data, you can correct them interactively, otherwise you need to modify batch input program, which has generated the session or many times even the data file.
CALL TRANSACTION
About CALL TRANSACTION
A technique similar to SESSION method, while batch input is a two-step procedure, Call Transaction does both steps online, one after the other. In this method, you call a transaction from your program by
Call transaction <tcode> using <BDCTAB>
Mode <A/N/E>
Update <S/A>
Messages into <MSGTAB>.
Parameter 1 is transaction code.
Parameter 2 is name of BDCTAB table.
Parameter 3 here you are specifying mode in which you execute transaction
A is all screen mode. All the screen of transaction are displayed.
N is no screen mode. No screen is displayed when you execute the transaction.
E is error screen. Only those screens are displayed wherein you have error record.
Parameter 4 here you are specifying update type by which database table is updated.
S is for Synchronous update in which if you change data of one table then all the related Tables gets updated. And sy-subrc is returned i.e., sy-subrc is returned for once and all.
A is for Asynchronous update. When you change data of one table, the sy-subrc is returned. And then updating of other affected tables takes place. So if system fails to update other tables, still sy-subrc returned is 0 (i.e., when first table gets updated).
Parameter 5 when you update database table, operation is either successful or unsuccessful or operation is successful with some warning. These messages are stored in internal table, which you specify along with MESSAGE statement. This internal table should be declared like BDCMSGCOLL, a structure available in ABAP/4. It contains the following fields:
1. Tcode: Transaction code
2. Dyname: Batch point module name
3. Dynumb: Batch input Dyn number
4. Msgtyp: Batch input message type (A/E/W/I/S)
5. Msgspra: Batch input Lang, id of message
6. Msgid: Message id
7. MsgvN: Message variables (N = 1 - 4)
For each entry, which is updated in database, table message is available in BDCMSGCOLL. As BDCMSGCOLL is structure, you need to declare a internal table which can contain multiple records (unlike structure).
Steps for CALL TRANSACTION method
1. Internal table for the data (structure similar to your local file)
2. BDCTAB like BDCDATA
3. UPLOAD or WS_UPLOAD function to upload the data from local file to itab. (Considering file is local file)
4. Loop at itab.
Populate BDCTAB table.
Call transaction <tcode> using <BDCTAB>
Mode <A/N/E>
Update <S/A>.
Refresh BDCTAB.
Endloop.
(To populate BDCTAB, You need to transfer each and every field)
The major differences between Session method and Call transaction are as follows:
SESSION METHOD CALL TRANSACTION
1. Data is not updated in database table unless Session is processed. Immediate updation in database table.
2. No sy-subrc is returned. Sy-subrc is returned.
3. Error log is created for error records. Errors need to be handled explicitly
4. Updation in database table is always synchronous Updation in database table can be synchronous Or Asynchronous.
Error Handling in CALL TRANSACTION
When Session Method updates the records in database table, error records are stored in the log file. In Call transaction there is no such log file available and error record is lost unless handled. Usually you need to give report of all the error records i.e., records which are not inserted or updated in the database table. This can be done by the following method:
Steps for the error handling in CALL TRANSACTION
1. Internal table for the data (structure similar to your local file)
2. BDCTAB like BDCDATA
3. Internal table BDCMSG like BDCMSGCOLL
4. Internal table similar to Ist internal table
(Third and fourth steps are for error handling)
5. UPLOAD or WS_UPLOAD function to upload the data from the local file to itab. (Considering file is local file)
6. Loop at itab.
Populate BDCTAB table.
Call transaction <tr.code> using <Bdctab>
Mode <A/N/E>
Update <S/A>
Messages <BDCMSG>.
Perform check.
Refresh BDCTAB.
Endloop.
7 Form check.
IF sy-subrc <> 0. (Call transaction returns the sy-subrc if updating is not successful).
Call function Format_message.
(This function is called to store the message given by system and to display it along with record)
Append itab2.
Display the record and message.
DIRECT INPUT
About Direct Input
In contrast to batch input, this technique does not create sessions, but stores the data directly. It does not simulate the online transaction. To enter the data into the corresponding database tables directly, the system calls a number of function modules that execute any necessary checks. In case of errors, the direct input technique provides a restart mechanism. However, to be able to activate the restart mechanism, direct input programs must be executed in the background only. Direct input checks the data thoroughly and then updates the database directly.
You can start a Direct Input program in two ways;
Start the program directly
This is the quickest way to see if the program works with your flat file. This option is possible with all direct input programs. If the program ends abnormally, you will not have any logs telling you what has or has not been posted. To minimize the chance of this happening, always use the check file option for the first run with your flat file. This allows you to detect format errors before transfer.
Starting the program via the DI administration transaction
This transaction restarts the processing, if the data transfer program aborts. Since DI document are immediately posted into the SAP D/B, the restart option prevents the duplicate document posting that occurs during a program restart (i.e., without adjusting your flat file).
Direct input is usually done for standard data like material master, FI accounting document, SD sales order and Classification for which SAP has provided standard programs.
First time you work with the Direct Input administration program, you will need to do some preparation before you can transfer data:
- Create variant
- Define job
- Start job
- Restart job
Common batch input errors
- The batch input BDCDATA structure tries to assign values to fields which do not exist in the current transaction screen.
- The screen in the BDCDATA structure does not match the right sequence, or an intermediate screen is missing.
- On exceptional occasions, the logic flow of batch input session does not exactly match that of manual online processing. Testing the sessions online can discover by this.
- The BDCDATA structure contains fields, which are longer than the actual definition.
- Authorization problems.
RECORDING A BATCH INPUT
A B recording allows you to record a R/3 transaction and generate a program that contains all screens and field information in the required BDC-DATA format.
You can either use SHDB transaction for recording or
SYSTEM ? SERVICES ? BATCH INPUT ? EDIT
And from here click recording.
Enter name for the recording.
(Dates are optional)
Click recording.
Enter transaction code.
Enter.
Click Save button.
You finally come to a screen where, you have all the information for each screen including BDC_OKCODE.
Click Get Transaction.
Return to BI.
Click overview.
Position the cursor on the just recorded entry and click generate program.
Enter program name.
Click enter
The program is generated for the particular transaction.
BACKGROUND PROCESSING
Need for Background processing
When a large volume of data is involved, usually all batch inputs are done in background.
The R/3 system includes functions that allow users to work non-interactively or offline. The background processing systems handle these functions.
Non-interactively means that instead of executing the ABAP/4 programs and waiting for an answer, user can submit those programs for execution at a more convenient planned time.
There are several reasons to submit programs for background execution.
The maximum time allowed for online execution should not exceed 300 seconds. User gets TIMEOUT error and an aborted transaction, if time for execution exceeds 300 seconds. To avoid these types of error, you can submit jobs for background processing.
You can use the system while your program is executing.
This does not mean that interactive or online work is not useful. Both type of processing have their own purposes. Online work is the most common one entering business data, displaying information, printing small reports, managing the system and so on. Background jobs are mainly used for the following tasks; to process large amount of data, to execute periodic jobs without human intervention, to run program at a more convenient, planned time other than during normal working hours i.e., Nights or weekends.
The transaction for background processing is SM36.
Or
Tools ? Administration ? Jobs ? Define jobs
Or
System ? services ? Jobs
Components of the background jobs
A job in Background processing is a series of steps that can be scheduled and step is a program for background processing.
Job name. Define the name of assigned to the job. It identifies the job. You can specify up to 32 characters for the name.
Job class. Indicates the type of background processing priority assigned to the job.
The job class determines the priority of a job. The background system admits three types of job classes: A B & C, which correspond to job priority.
Job steps. Parameters to be passed for this screen are as follows:
Program name.
Variant if it is report program
Start criteria for the job: Option available for this are as follows:
Immediate - allows you to start a job immediately.
Date/Time - allows you to start a job at a specific name.
After job - you can start a job after a particular job.
After event - allows you to start a job after a particular event.
At operation mode - allows you to start a job when the system switches to a particular operation mode.
Defining Background jobs
It is two step process: Firstly, you define the job and then release it.
When users define a job and save it, they are actually scheduling the report i.e., specifying the job components, the steps, the start time.
When users schedule program for background processing, they are instructing the system to execute an ABAP/4 report or an external program in the background. Scheduled jobs are not executed until they are released. When jobs are released, they are sent for execution to the background processing system at the specified start time. Both scheduling and releasing of jobs require authorizations.
HANDLING OF POP UP SCREEN IN BDC
Many times in transaction pop up screen appears and for this screen you dont pass any record but some indication to system telling it to proceed further. For example: The following screen
To handle such screen, system has provided a variable called BDC_CURSOR. You pass this variable to BDCDATA and process the screen.
Usually such screen appears in many transactions, in this case you are just passing information, that YES you want to save the information, that means YES should be clicked. So you are transferring this information to BDCDATA i.e., field name of YES which is usually SPOT_OPTION. Instead of BDC_OKCODE, you are passing BDC_CURSOR.
BDC_CURSOR is also used to place cursor on particular field.
A simple transaction where you are entering customer number on first screen and on next screen data is displayed for the particular customer number. Field, which we are changing here, are name and city. When you click on save, the changed record gets saved.
Prerequisite to write this BDC interface as indicated earlier is:
1. To find screen number
2. To find screen field names, type of the field and length of the field.
3. To find BDC_OKCODE for each screen
4. Create flat file.
generally Batch Input usually are used to transfer large amount of data. For example you are implementing a new SAP project, and of course you will need some data transfer from legacy system to SAP system.
CALL TRANSACTION is used especially for integration actions between two SAP systems or between different modules. Users sometimes wish to do something like that click a button or an item then SAP would inserts or changes data automatically. Here CALL TRANSACTION should be considered.
2. Transfer data for multiple transactions usually the Batch Input method is used.
check these sites for step by step process:
For BDC:
http://myweb.dal.ca/hchinni/sap/bdc_home.htm
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/bdc&
http://www.sap-img.com/abap/learning-bdc-programming.htm
http://www.sapdevelopment.co.uk/bdc/bdchome.htm
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://help.sap.com/saphelp_47x200/helpdata/en/69/c250684ba111d189750000e8322d00/frameset.htm
http://www.sapbrain.com/TUTORIALS/TECHNICAL/BDC_tutorial.html
Check these link:
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://www.sap-img.com/abap/question-about-bdc-program.htm
http://www.itcserver.com/blog/2006/06/30/batch-input-vs-call-transaction/
http://www.planetsap.com/bdc_main_page.htm
call Transaction or session method ?
null

What are the sequence steps involved in MM FLOW

what are the sequence steps involved in MM FLOW?
please explain.

Process Flow
The typical procurement cycle for a service or material consists of the following phases:
1. Determination of Requirements
Materials requirements are identified either in the user departments or via materials planning and control. (This can cover both MRP proper and the demand-based approach to inventory control. The regular checking of stock levels of materials defined by master records, use of the order-point method, and forecasting on the basis of past usage are important aspects of the latter.) You can enter purchase requisitions yourself, or they can be generated automatically by the materials planning and control system.
2. Source Determination
The Purchasing component helps you identify potential sources of supply based on past orders and existing longer-term purchase agreements. This speeds the process of creating requests for quotation (RFQs), which can be sent to vendors electronically via SAP EDI, if desired.
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Pur info record is nothing but a master data like thing which will be maintained for different materials to determine the prices etc.It Specifies the number that uniquely identifies a record.
For Example: an info record is based on Plant Vendor and Material
Based on these three the Material Prices will be calculated
for different combinations different values are taken into consideration.
During pricing it brings these values automatically based on this info record.
Use ME11 Tcode to create this record.
Common Tables used by SAP MM
Below are few important Common Tables used in Materials Management Modules:
EINA Purchasing Info Record- General Data
EINE Purchasing Info Record- Purchasing Organization Data
MAKT Material Descriptions
MARA General Material Data
MARC Plant Data for Material
MARD Storage Location Data for Material
MAST Material to BOM Link
MBEW Material Valuation
MKPF Header- Material Document
MSEG Document Segment- Material
MVER Material Consumption
MVKE Sales Data for materials
RKPF Document Header- Reservation
T023 Mat. groups
T024 Purchasing Groups
T156 Movement Type
T157H Help Texts for Movement Types
MOFF Lists what views have not been created
A501 Plant/Material
EBAN Purchase Requisition
EBKN Purchase Requisition Account Assignment
EKAB Release Documentation
EKBE History per Purchasing Document
EKET Scheduling Agreement Schedule Lines
EKKN Account Assignment in Purchasing Document
EKKO Purchasing Document Header
EKPO Purchasing Document Item
IKPF Header- Physical Inventory Document
ISEG Physical Inventory Document Items
LFA1 Vendor Master (General section)
LFB1 Vendor Master (Company Code)
NRIV Number range intervals
RESB Reservation/dependent requirements
T161T Texts for Purchasing Document Types
Tcodes:
RFQ to Vendor - ME41
Raising Quotation - ME47
Comparison of Price - ME49
Creation of PO - ME21N
Goods Receipt - MIGO
Invoice (Bill PAssing) - MIRO
Goods Issue - MB1A
Physical Inventory - MI01( Create doc)
MI04 (Enter Count)
MI07 (Post)
regards,
srinivas
*reward for useful answers*

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null

Methods I tried,
Applet using SQLJ/JDBC with JDBC drivers thin or Oci8,
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HTP/HTF PL/SQL packages (if you have OAS 4.0)
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On the HPUX database, run this statement and look for the value for NLS_CHARACTERSET
SQL> select * from NLS_DATABASE_PARAMETERS;http://docs.oracle.com/cd/B19306_01/server.102/b14237/statviews_4218.htm#sthref2018
When creating the database on Windows, you have two options - manually create the database or use DBCA. If you plan to create the database manually, specify the database characterset in the CREATE DATABASE statement - http://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_5004.htm#SQLRF01204
If using DBCA, see http://docs.oracle.com/cd/B19306_01/server.102/b14196/install.htm#ADMQS0021 (especially http://docs.oracle.com/cd/B19306_01/server.102/b14196/install.htm#BABJBDIF)
HTH
Srini

What are the options for me for Data Mining tools?

I am new for data mining. I have a project for which we are asked to identify the relationships between variables we got and we were asked to come up with an algorithm from data mining. What are the options available for me as data mining tools and where
do I start from? How do I travel through this process. Please advice.
mayooran99

I think that Predixion Insight is the easiest tool to use and is very powerful.
All you need to have is Windows OS, Office 2010 or 2013 and internet connection. If you want to look at what you need to do before installing Predixion, I recommend you to take a look at the walkthroughs at
http://predixionsoftware.com/Help/webframe.html#Data%20Modeling%20Walkthroughs.html
To install Predixion, go to
http://predixionsoftware.com/Technology/Predixion-Insight-Download
Tatyana Yakushev [PredixionSoftware.com]

What are required Oracle products for moving data from IBM IMS/DB(mainframe) to Oracle environment?

I am z/OS system programmer, our company is using IMS as its main OLTP database. We are investigating moving data off the mainframe for data warehousing and online fraud detection. One option is using IBM InfoSphere CDC and DB2, another option is using IMS connect and writing our own program, I am wondering what is the oracle solution for this kind of issue?
I am not oracle technician but I googled and find out Oracle has some product like Oracle Legacy Adapters, OracleAS CDC Adapter and Oracle Connect on z/OS, however I didn't find them in Oracle site(https://edelivery.oracle.com/), I don't know whether these products are deprecated or not?!
I would very much appreciate any help or guidance you are able to give me

Thank you for responding.
I've considered dumping the data into a flat file and using SQL*Loader to import as you suggest but this would require some scripting on a per-table basis. Again: all I want to do is to copy the contents of a table from one database to another. I do not think I should have to resort to creating my own dump and load scripts in order to do that. However I agree with you that this type of solution may be my final solution.
I've tried the db link solution. It was just a slow as the 'imp' solution for some reason. Don't know why. The tables are rather large (3 tables of a few Gb each) and therefore require intermediate commits when loaded. Otherwise the rollback segment will run out of space. So the 'db link solution' is really a PL/SQL script with a commit for each x records.
I think Oracle is making it a bit difficult for me to copy the contents of a table from one database to another and to do it efficiently. Perhaps I'm missing something here?

What are the Oracle Home and GRID home directory locations for Oracle 12c (12.1.0.5) release

Hello All,
I plan to install and configure Oracle 12c Cloud Control console on a single standalone server and the version is Oracle 12.1.0.5. All the databases which are installed across in the entire farm/landscape are these versions:
Oracle 10.2.0.3 Enterprise Edition
Oracle 10.2.0.4 Enterprise Edition
Oracle 10.2.0.4 Active DataGuard Enterprise Edition
Oracle 10.2.0.5 Enterprise Edition
Oracle 11.2.0.1 Enterprise Edition
Oracle 11.2.0.1 Active DataGuard Enterprise Edition
Oracle 11.2.0.3 RAC Enterprise Edition
All Oracle databases across these versions will use the same version of Oracle Grid since ASM is used for all the Oracle database across Production/Test/Development databases. The OS is RHEL 5.8, RHEL 6.3, OEL 6.3 versions.
When installing the Oracle 12c Cloud Control what is the Oracle and Grid Home directory location need to set to. Please let me know if there are any other additional configurations needed?
Looking forward to hearing from you soon.
Regards,
Abhijit

First off, the only EM CC release out right now is 12.1.0.2, not sure where you got 12.1.0.5 (DB Plugin maybe?).
Second, you're confusing EM CC homes with DB/Grid homes.
EM CC will need it's own Oracle Home (i.e. /opt/oracle/product/em_12.1.0.2). You will need to provide repository database connection information, but EM does not care what home the db or grid is installed in.
I would recommend reviewing the documentation as well as the references on OTN -
http://www.oracle.com/technetwork/oem/install-upgrade/index.html

What are the apn settings for cellular data network on iphone 4 using straight talk

i have an iphone 4 and can not get the cellular data network to work unless connected to wifi and i am on the straight talk unlimited monthly plan.also can not send or recieve picture messages.what are the settings for the apn for straight talk for cellular data network?i have talked to several customer serv reps and tech support and supervisors working with straight talk ,but they all tell me sumthing difrent and none of them help.so they transfer me and then say they can only remain on a call a certain amount of time.Help?

Go here on your phone, see if you can add the correct APN settings to your phone:
http://www.unlockit.co.nz/unlockit/

What Are Those Oracle Processes Doing?

Hi,
I have a system using oracle as the database server.
Sometimes, the performance of my system would be very bad.
And when I check the CPU usage using the 'top' command,
it seemed that oracle process is taking up a lot of the resources.
Is there anyway for me to know what is oracle processing at that moment?
Thanks in advance.
Bye.

is it a generic oracle<instance> process that is running? Or does it have another name like ora_pmon_<instace> or ora_snpX_<instance>?
to find out you can take the Unix PID and figure out what session has spawned that process.
select usename,sid,serial# from v$session where paddr in (select addr from v$process where spid = 'UNIX PID HERE')
You can get more info from V$session than that if you like.

What are the oracle processes involved in Data Guard Operation

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