Reading maintaianace View

Hi all,
I want to select data from a maintainance view. Can anybody tell me how to do that as the select statement is not working with manitainance view.
Thanks,
Mungala.

Praveena,
u can't fetch data from maintenance view...if it is there, there must be database view or table for that view...search for that view.
Maintenance views offer easy ways to maintain complex application objects.
Data distributed on several tables often forms a logical unit, for example an application object, for the user. You want to be able to display, modify and create the data of such an application object together. Normally the user is not interested in the technical implementation of the application object, that is in the distribution of the data on several tables.
see the different types of views and the difference
The followings are different types of views:
- Database View (SE11)
Database views are implement an inner join, that is, only records of the primary table (selected via the join operation) for which the corresponding records of the secondary tables also exist are fetched. Inconsistencies between primary and secondary table could, therefore, lead to a reduced selection set.
In database views, the join conditions can be formulated using equality relationships between any base fields. In the other types of view, they must be taken from existing foreign keys. That is, tables can only be collected in a maintenance or help view if they are linked to one another via foreign keys.
- Help View ( SE54)
Help views are used to output additional information when the online help system is called.
When the F4 button is pressed for a screen field, a check is first made on whether a matchcode is defined for this field. If this is not the case, the help view is displayed in which the check table of the field is the primary table. Thus, for each table no more than one help view can be created, that is, a table can only be primary table in at most one help view.
- Projection View
Projection views are used to suppress or mask certain fields in a table (projection), thus minimizing the number of interfaces. This means that only the data that is actually required is exchanged when the database is accessed.
A projection view can draw upon only one table. Selection conditions cannot be specified for projection views.
- Maintenance View ( SE54 )
Maintenance views enable a business-oriented approach to looking at data, while at the same time, making it possible to maintain the data involved. Data from several tables can be summarized in a maintenance view and maintained collectively via this view. That is, the data is entered via the view and then distributed to the underlying tables by the system.
Please have a look at below link. It will help you.
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ed06446011d189700000e8322d00/frameset.htm
for more detailed info look on:
http://www.sap-img.com/abap/what-is-the-different-types-and-usage-of-views.htm
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/abap+dictionary&
Don't forget to reward if useful....

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Hi,
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try RowSetIterator instead,
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Thanks guy, it was helpful:)
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Entity objects are used to update/delete/insert data to the database.
If all your base DB object offers is read then just create a read only view object.

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>
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>
>
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user12191713 wrote:
I have a case where a select against a view that has the read only option caused TM contention. I realize that the TM can be fixed by indexing the unindexed foreign key which I plan to do. The user only has select privilege so the locking must have come from select for update, but when I checked the query it was a select against a read only view from Toad. Has anyone seen the case where Toad does a select for update behind the scenes which causes locking issues. I am thinking this must be the case otherwise I do not know how a select against a readonly view could hold a lock.using sqlplus post the same SQL & results
Handle:     user12191713
Status Level:     Newbie
Registered:     Aug 4, 2011
Total Posts:     40
Total Questions:     25 (19 unresolved)
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Hi,
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Thanks

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Thank You so much! Will try that.
Erik
Skickat från min iPhone
4 nov 2014 kl. 22:48 skrev DdeGannes <[email protected]>:
Cannot read pre-view cache
created by DdeGannes in Photoshop Lightroom - View the full discussion
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https://forums.adobe.com/servlet/JiveServlet/downloadImage/2-6899669-691558/900-719/Previe wsCacheLightroom.jpg
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Reading maintaianace View

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