Oops, meant to say "you can RESIZE the
datafile down to 1 Meg after the truncate"
-----Original Message-----
Sent: Thursday, July 26, 2001 11:01 AM
To: Multiple recipients of list ORACLE-L
You would need to drop any foreign key constraints pointing to that table
before truncating and then recreate them after reloading the data.
If I remember correctly, simply disabling them won't work since Oracle
treats Truncate Table the same as Drop Table in many ways.
Other constraints (NOT NULL, etc) won't be affected.
Also, depending on the size of your initial extent and the amount of data
you have remaining, you might be able to resize the one remaining datafile
down after you truncate the table. (e.g., if your initial exent is 5 Meg and
you don't anticipate ever having more than 1 Meg of data, you can RESIZE the
datafile down to 5 Meg after the truncate).
Jay Miller
-----Original Message-----
Sent: Thursday, July 26, 2001 8:36 AM
To: Multiple recipients of list ORACLE-L
This can be done . But what about the constraints ?
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, July 26, 2001 5:41 PM
> I think this is happening because when you DELETE data the High Water
> Mark(HWM) is not lowered. Essentially
> you have not gained any freespace. If possible you could export remaining
> data truncate table then re-import.
>
> Correct me if I am wrong here.
>
> Rick
>
> -----Original Message-----
> Sent: Thursday, July 26, 2001 7:41 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi All,
> I have deleted 3 lakhs records from a large table. But there is no
effect
> on tablespace i.e. before I delete the data freespace in TS is 100MB ,
after
> deletion also it is showing 100MB. What could be the reason ? How to get
the
> freespace after deleting the data ?
> Thanks
> rukmini
>
>
>
>
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> Author: Rukmini Devi
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