Estinamted time for enabling constraints

Just curious, does any one know how long it would take for enabling one disabled constraint on a 166gb table? The table has 34 columns and 2 primary keys.
i did a "alter table <table_name> enable constraint <constraint_name>" and this statement has been running for 50 mins now.
Thanks

969224 wrote:
Just curious, does any one know how long it would take for enabling one disabled constraint on a 166gb table? The table has 34 columns and 2 primary keys.
i did a "alter table <table_name> enable constraint <constraint_name>" and this statement has been running for 50 mins now.
Thanksenabling CONSTRAINT will take longer than disabling the same constraint.
The exact answer is that "It depends".

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Problem in enabling constraint - after disabling and truncation of table .

Hello Friends,
I have a table called DRR_TABLES that has list of table names . The requirement is to truncate the tables present in DRR_TABLES except KEY_IDS table and table_name like '%TYPE%' table.
written a procedure . successfullly truncating the tables from DRR_TABLES but while enabling constraints after truncation , I am getting problem in enabling constraints .
ERROR at line 1:
ORA-02270: no matching unique or primary key for this column-list
ORA-06512: at "schema123.TRUNCATE_DRR_TABLES ", line 49
ORA-06512: at line 1
Heres is the code .
PROCEDURE TRUNCATE_DRR_TABLES is
x varchar2(200);
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FETCH c INTO x ;
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end loop;
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DBMS_OUTPUT.PUT_LINE('TABLE TRUNCATED :'|| x );
END LOOP ;
DBMS_OUTPUT.PUT_LINE (' TOTAL TABLES TRUNCATED ' || v_tablecount );
CLOSE c;
OPEN c ;
LOOP
FETCH c INTO x ;
EXIT WHEN c%NOTFOUND;
for c2 in (select table_name, constraint_name from user_constraints where TABLE_NAME = x and status = 'DISABLED' ORDER BY CONSTRAINT_TYPE)
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LINE 49 is the line corresponding to enable constraint statement.
Edited by: kumar73 on 3 Sep, 2012 11:44 PM

It is such a pity that a user having 321 posts till date is unaware of basics of Posting a Question.
1. You need to provide us with your Oracle version
select * from v$version;2. You need to understand and get accustomed to using tags before and after Code or SQL's for better readability.
3. You need to provide us with the Table Structure and the Constraints Definition.
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<font face="Times New Roman" size=2>
1. Avoid RBAR (Loops).
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7. What is the need to use a NULL statement after every Execute Immediate?
8. What is the Need to surround each execute Immediate with Begin .. End block?
9. Where is your Exception handling Block? Forgot to write?
</font>
What has been your effort in finding which Constraint/Table is causing you the trouble?

ENABLE CONSTRAINT

Hello All,
version details :
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
OS :
SunOS 107 5.10 Generic_125100-10 sun4u sparc SUNW,Sun-Fire-V890
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i have 2 databases d01 and d02. i have same no and same objects on both the databases.
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XFK12PORTFOLIO_TYPE2ATTRIBUTE
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v_sql varchar2(30);
begin
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execute immediate v_sql;
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Oracle Database Version: 11.1.0.7
1) Is there any time difference between enabling constraint on a Non-partitioned table and enabling constraint on a partitioned table, both tables having same no. of records?
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Edited by: Ishan on May 12, 2012 3:54 PM

>
Hi,
1) Is there any time difference between enabling constraint on a Non-partitioned table and
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=====================
Partitions and subpartitions of a table or index all share the same logical attributes. For example, all partitions (or subpartitions) in a table share the same column and constraint definitions, and all partitions (or subpartitions) of an index share the same index options. They can, however, have different physical attributes (such as TABLESPACE).
======================
2) Suppose, we have 3 tables A, B and C.
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either enabled or it's not.
Are you enabling this on a production server while updates are taking place? You might wish to consider
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Googling "enable constraint partitioned table" and "constraint deferrable oracle partitioned table" gave several
interesting pages which may be of interest, but I don't know enough about your case to help further.
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Estinamted time for enabling constraints

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