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1answer
60 views

DBMS_REDEFINITION with WHERE clause

I wanted to know if DBMA_REDEFINITON package allows a WHERE clause to filter contents before migration. I have a partitioned table and wants to copy data and constraint to another table using ...
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1answer
53 views

Package DBMS_REDEFINITION missing from Oracle 11g?

I'm trying to partition an existing table in Oracle and the research I've done seems to say that using the DBMS_REDEFINITION package seems to be the best way to do this. The problem is I doesn't seem ...
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2answers
130 views

DBMS_REDEFINITION don't copy data?

Is there an option to use Oracles online table redefinition feature but only copy a subset of the data from the source table? I mean - the source table has 2M records and I want to only copy those ...
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0answers
166 views

TEMP Tablespace Exceeded when DBMS_REDIFINITION

Oracle Environment. Table size is 500Gb. Free space left on hard drive - 300Gb. TEMP Tablespace is currently 20GB Task: do the DBMS_Redefinition for the table (partition by month) and optimize ...
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0answers
197 views

Performance degradation after partioning tables using DBMS_REDEFINITION package

We have created partitions on per-existing tables in my application using DBMS_REDEFINITION package. just for the sake of improving performance. Now , We are facing an issue in the performance ...
0
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2answers
7k views

Moving a table to a different tablespace in Oracle using Online Redefinition Vs Alter table move tablespace

I have a table with 1 Billion records with size 300GB to move to different tablespace. My question here is - What is the advantage of using DBMS_REDEFINITION (Online redefinition) package over Alter ...
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0answers
283 views

Redefining a table with a user-defined type using DBMS_REDEFINITION

The application which we developed has one schema, USER1, which has tables, types, packages etc. I have to move some of the user-defined types to a different schema, The reason for doing this is to ...
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1answer
1k views

Why is SQL*Plus' desc table not showing not null constraints after using dbms_redefinition

I have the following table that I want to redefine: create table tq84_redefinition ( id number primary key, ts1 timestamp not null, ts2 timestamp ); Please note the not null constraint on the ...