Anyone know setting primary key deferred help in the bulk loading

Hi,
Anyone know by setting primary key deferred help in the bulk loading in term of performance..cos i do not want to disable the index, cos when user query the existing records in the table, it will affect the search query.
Thank You...

In the Oracle 8.0 documentation when deferred constraints were introduced Oracle stated that defering testing the PK constraint until commit time was more efficient than testing each constraint at the time of insert.
I have never tested this assertion.
In order to create a deferred PK constraint the index used to support the PK must be created as non-unique.
HTH -- Mark D Powell --

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How to set primary key of the VO.

I have a problem with the master detail search. The search works fine on the first search, all details can be seen fine, but in the second search I get this error.
The number of displayed records, 1, exceeds the actual number of records, 0, in view object EgoItemAdvancedSearchAM.MYACCESSOR001_MYLINK001_DetailsOrderLinesVO. Some of the displayed records may have been deleted.
Somwhere in another thread, someone had the same problem and the soultion was to set primary key of the master VO. I am not sure how to set primary key of a VO. In my case the master VO is dynamic. Is there a way I can set PK of a dynamic VO.
Any help greatly appreciated.

Hi
Thanks for your reply...
am seting the primary key to VO attribute in my controller(PR)...but its not mapping to the VO attribute..
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Regards
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How can i set primary key after creating a table ?

hi friends
thank you for all the support you have given me . i have doubt ,can we set primary key for a column after creating the table
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table name = address
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how does the other users know which is the primary key for this table?....the other user needs to execute this query...and modify the query accordingly
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What is the most logical place to automatically set primary key fields from
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jdoPrestore seems to be a little late - my instance will not have id till
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time Kodo needs to construct an instance. What other options do I have for
automatic pk assignment except do it in my code (hate it)?
I wish I could use store managed OIDs but I need access to OID underlying
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Please also see my previous message "Application Identity Extention"

I came up with following pattern:
public class OrgUnit implements InstanceCallbacks {
private long orgUnitId = -1;
private transient long tempOrgUnitId = -1;
public long getOrgUnitId() {
if (orgUnitId < 0) {
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return tempOrgUnitId;
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I use -1 as an indicator that ID has not been assigned yet. If you use Long
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"Alex Roytman" <[email protected]> wrote in message
news:9q27co$r35$[email protected]..
What is the most logical place to automatically set primary key fieldsfrom
sequence?
jdoPrestore seems to be a little late - my instance will not have id till
it's committed. I can not do it in constructor because it gets calledevery
time Kodo needs to construct an instance. What other options do I have for
automatic pk assignment except do it in my code (hate it)?
I wish I could use store managed OIDs but I need access to OID underlying
data
Please also see my previous message "Application Identity Extention"

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hello experts .,
i need to set primary key for a column consists of the datatype date. how to solve this..?

1008318 wrote:
its my personal need..then it is a very bad personal need. DATE is not an appropriate type to be using for a primary key, as it cannot be guaranteed to be unique, especially when inserting multiple rows at once.
You would be better working to business needs and implementing correct technical solutions to those needs, than to just do things based on your personal needs.

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Error when i set primary key to a field in table

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http://sqlblog.com/blogs/uri_dimant/
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sandyzotz wrote:
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Anyone know setting primary key deferred help in the bulk loading

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