What is the behavior difference of using a non-unique
index to enforce a unique/primary key constraint when
inserting a duplicate value ?
Index range scan ?
--- Brian MacLean <[EMAIL PROTECTED]> a �crit�: >
ahhhhhhhhhhh, mostly right. I found in v8.1.6 that
> if I use a non-unique
> index to enforce a unique/primary key constraint
> that the index does not
> drop when you drop the constraint.
>
> -----Original Message-----
> Sent: Friday, May 11, 2001 2:56 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hello, Cherie,
> Short note first - when you drop primary key the
> associated index will be
> dropped too.
> To partition the index you will create this index
> first and then
> alter table <table name> add constraint <index
> name> primary key(<column
> list>);
> HTH
> Vadim Gorbounov
> Brainbench Master Oracle DBA
> www.brainbench.com
>
>
> -----Original Message-----
> Sent: Friday, May 11, 2001 4:51 PM
> To: Multiple recipients of list ORACLE-L
>
>
>
> Oracle will automatically create an index for your
> primary
> key constraint.
>
> I have a lot of large partitioned tables in my data
> warehouse.
> All of my primary key indexes are non-partitioned.
> I would
> like them to be partitioned.
>
> When I drop the constraint and re-enable it, can I
> specify
> at that time that I want the index to be
> partitioned? Or do I
> need to drop my index and rebuild it to be
> partitioned after
> the fact?
>
> Is there any problem with having partitioned primary
> key indexes?
>
> Thanks,
>
> Cherie
>
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=====
St�phane Paquette
DBA Oracle, consultant entrep�t de donn�es
Oracle DBA, datawarehouse consultant
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