Problem while dropping partitions

Hi All,
I'm using oracle 11g. I have 2 tables A and B. A is the master table and B is the child table. Both the tables are partitioned based on month. Now when i have to drop partition for previous month, i first drop partition from table B then from table A. With table B the partition is getting dropped successfully. But when i try to drop partition for A it gives an error as it is a master table. Table A does not have any data in the partitioned to be dropped that is being referenced by table B. How do i drop the partition for master table.
Thanks in Advance

Hi,
There may be Chance of Have some rows .. just find out the rows existing in the partition of master table with existence of records in Child table that makes it clear clarificaiton...
- Pavan Kumar N

Similar Messages

Problem while dropping a table

Dear All,
I am facing a problem while dropping a table in Oracle 10g.
I am able to find the number of records in the table but unble to delete it.
SQL> select count(*) from merchant_audit;
COUNT(*)
30028278
SQL> drop table merchant_audit;
drop table merchant_audit
ERROR at line 1:
ORA-00942: table or view does not exist
I have to drop this table from the database. Please help.
regards,
Santhosh

Hi,
IS it a table ? Is it your table ?
Read this example :
sqlplus scott/*****
SQL> create table merchant_audit(col1 number);
Table created.
SQL> create public synonym merchant_audit for merchant_audit;
Synonym created.
SQL> grant select on merchant_audit to merchant;
Grant succeeded.
SQL> conn merchant/merchant
Connected.
SQL> select count(*) from merchant_audit;
COUNT(*)
0
SQL> drop table merchant_audit;
drop table merchant_audit
ERROR at line 1:
ORA-00942: table or view does not exist
SQL>
See owner into the dba_tables, and if synonym into dba_synonyms.
Nicolas.
Message was edited by:
Nicolas Gasparotto

Problem while dropping snapshot

Dear sir
I am a junior dba, now I have a problem while I drop a customerinfo snapshot from Oracle 9.2.0.4 database. It seem to be the snapshot has been dropped correctly. But I found it's still remained in user's schema and looks like normal table.
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It could be that the MV was created on a prebuilt table.
If that is the case, the table must be dropped separately.
First make sure that you actually want to drop the table and lose the data.
Look for 'PREBUILT' under 'CREATE MATERIALIZED VIEW' in the docs.

Problem while dropping tablespace

Hi all,
I am getting following error while i am trying to drop tablespace
ORA-02449: unique/primary keys in table referenced by foreign keys.
I am using followin statement to drop tablespace;
drop tablespace QAREF430 including contents and datafiles;
wat might be the problem?
Thanks.

wat might be the problem?You have some referential integrity constraints, outside QAREF430 tablespace, pointing to a table inside QAREF430 tablespace. Try
drop tablespace QAREF430 including contents and datafiles cascade constraints;

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Hi All,
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select * from user_constraints where constraint_type='C' AND TABLE_NAME='xyz'
It will return multiple rows.
when i do
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its throwing error : ORA-00997 illegal use of long datatype
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Please help me to sort out above problem.
Thanks n advance.
Anwar

1) Rather than dropping and recreating a constraint, you're better off disabling and re-enabling it. Depending on what you're trying to do, you could also make the constraint deferrable and defer validation to the end of the transaction.
2) Do you name your constraints? If not, could you? The easiest way to be able to uniquely identify a constraint is generally to give it an informative name.
Justin

Partitioned nested table error while dropping one partition

All,
I created a partitioned table which is also a nested table as you can see below. I got FK constraint error while attempting to drop a partition, however, I could not find the FK in order to disable it since it's underlying table emp_list_p which is not visiable to applications. How could I drop the partition in this case?
Thanks,
Jianhui
SQL>desc emp_t
Name Null? Type
ENO NUMBER
ENAME VARCHAR2(30)
SAL NUMBER
SQL>desc emp_list_t
emp_list_t TABLE OF EMP_T
Name Null? Type
ENO NUMBER
ENAME VARCHAR2(30)
SAL NUMBER
SQL>l
1 create table dept_p
2 (dno number,
3 dname varchar2(30),
4 emplist emp_list_t )
5 NESTED TABLE emplist store as emp_list_p
6 partition by range (dno)
7 (
8 partition p1 values less than (2),
9 partition p2 values less than (3)
10* )
SQL>/
Table created.
SQL>insert into dept_p (select * from dept);
2 rows created.
SQL>select * from dept_p;
DNO DNAME
EMPLIST(ENO, ENAME, SAL)
1 HR
EMP_LIST_T(EMP_T(1, 'scott', 1000), EMP_T(2, 'brain', 2000))
2 SALES
EMP_LIST_T(EMP_T(3, 'frank', 800))
2 rows selected.
SQL>alter table dept_p drop partition p1;
alter table dept_p drop partition p1
ERROR at line 1:
ORA-02266: unique/primary keys in table referenced by enabled foreign keys
SQL>l
1 select constraint_name, constraint_type, table_name
2 from user_constraints
3 where r_constraint_name=(select constraint_name
4* from user_constraints where table_name='DEPT_P' and constraint_type in ('P','U'))
SQL>/
no rows selected

SQL> create type emp_t as object(
2 ENO NUMBER,
3 ENAME VARCHAR2(30),
4 SAL NUMBER)
5 /
Type created.
SQL> create type emp_list_t as table of emp_t;
2 /
Type created.
SQL> desc emp_list_t
emp_list_t TABLE OF EMP_T
Name                                      Null?    Type
ENO                                                NUMBER
ENAME                                              VARCHAR2(30)
SAL                                                NUMBER
SQL> create table dept_p
2 (dno number,
3 dname varchar2(30),
4 emplist emp_list_t )
5 NESTED TABLE emplist store as emp_list_p
6 partition by range (dno)
7   (
8   partition p1 values less than (2),
9   partition p2 values less than (3)
10   )
11 /
Table created.
SQL> insert into dept_p values(1, 'HR',
2 EMP_LIST_T(EMP_T(1, 'scott', 1000), EMP_T(2, 'brain', 2000)));
1 row created.
SQL>
SQL> insert into dept_p values(2, 'SALES',EMP_LIST_T(EMP_T(3, 'frank', 800)));
1 row created.
SQL> select * from dept_p;
       DNO DNAME
EMPLIST(ENO, ENAME, SAL)
         1 HR
EMP_LIST_T(EMP_T(1, 'scott', 1000), EMP_T(2, 'brain', 2000))
         2 SALES
EMP_LIST_T(EMP_T(3, 'frank', 800))
SQL> alter table dept_p drop partition p1;
alter table dept_p drop partition p1
ERROR at line 1:
ORA-02266: unique/primary keys in table referenced by enabled foreign keys
SQL> select constraint_name,table_name,constraint_type from user_constraints
2 where table_name = 'DEPT_P';
CONSTRAINT_NAME                TABLE_NAME                     C
SYS_C008224                    DEPT_P                         U
SQL> select index_name from user_constraints
2 where table_name = 'DEPT_P';
INDEX_NAME
SYS_C008224
SQL> select index_name,column_name from user_ind_columns
2 where index_name = 'SYS_C008224';
INDEX_NAME                     COLUMN_NAME
SYS_C008224                    EMPLIST
SQL>
SQL> disconnect
Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production
With the Partitioning, OLAP and Data Mining options
If you look closely, there is a unique index on dept_p. Oracle does not advertise it.
One of the options is that you may have to delete the rows in the partition first,
then drop the partition.

Problem in truncate/drop partitions in a table having nested table columns.

Hi,
I have a table that has 2 columns of type nested table. Now in the purge process, when I try to truncate or drop a partition from this table, I get error that I can't do this (because table has nested tables). Can anybody help me telling how I will be able to truncate/drop partition from this table? IF I change column types from nested table to varray type, will it help?
Also, is there any short method of moving existing data from a nested table column to a varray column (having same fields as nested table)?
Thanks in advance.

>
I have a table that has 2 columns of type nested table. Now in the purge process, when I try to truncate or drop a partition from this table, I get error that I can't do this (because table has nested tables). Can anybody help me telling how I will be able to truncate/drop partition from this table?
>
Unfortunately you can't do those operations when a table has a nested table column. No truncate, no drop, no exchange partition at the partition level.
A nested table column is stored as a separate table and acts like a 'child' table with foreign keys to the 'parent' table. It is these 'foreign keys' that prevent the truncation (just like normal foreign keys prevent truncating partions and must be disabled first) but there is no mechanism to 'disable' them.
Just one excellent example (there are many others) of why you should NOT use object columns at all.
>
IF I change column types from nested table to varray type, will it help?
>
Yes but I STRONGLY suggest you take this opportunity to change your data model to a standard relational one and put the 'child' (nested table) data into its own table with a foreign key to the parent. You can create a view on the two tables that can make data appear as if you have a nested table type if you want.
Assuming that you are going to ignore the above advice just create a new VARRAY type and a table with that type as a column. Remember VARRAYs are defined with a maximum size. So the number of nested table records needs to be within the capacity of the VARRAY type for the data to fit.
>
Also, is there any short method of moving existing data from a nested table column to a varray column (having same fields as nested table)?
>
Sure - just CAST the nested table to the VARRAY type. Here is code for a VARRAY type and a new table that shows how to do it.
-- new array type
CREATE OR REPLACE TYPE ARRAY_T AS VARRAY(10) OF VARCHAR2(64)
-- new table using new array type - NOTE there is no nested table storage clause - arrays stored inline
CREATE TABLE partitioned_table_array
     ( ID_ INT,
      arra_col ARRAY_T )
     PARTITION BY RANGE (ID_)
     ( PARTITION p1 VALUES LESS THAN (40)
     , PARTITION p2 VALUES LESS THAN(80)
     , PARTITION p3 VALUES LESS THAN(100)
-- insert the data from the original table converting the nested table data to the varray type
INSERT INTO PARTITIONED_TABLE_ARRAY
SELECT ID_, CAST(NESTED_COL AS ARRAY_T) FROM PARTITIONED_TABLENaturally since there is no more nested table storage you can truncate or drop partitions in the above table
alter table partitioned_table_array truncate partition p1
alter table partitioned_table_array drop partition p1

GG replication for interval partitioned tables while issuing drop partition command

Hi all, we have golden gate replication between two databses 1 and 2. table A in 1 and 2 is interval partitioned but the partition names are different. whats the best way to achieve GG replication using drop partition. We want to drop partition automatically in DB 2 if done in DB 1.

Hi,
In this scenario ypu would better to drop manually on both the database, especially for drop you could filter based on operation type and do it manually.

Primary Key Causing Problem in Interval Partition Exchange

DB : 11.2.0.2
OS : AIX 6.1
I am getting the problem while exchanging data with interval partitioned table. I have a interval partitioned table and a normal staging table having data to be uploaded.
Following are the steps i am doing.
SQL> CREATE TABLE DEMO_INTERVAL_DATA_LOAD (
                ROLL_NUM        NUMBER(10),
                CLASS_ID        NUMBER(2),
                ADMISSION_DATE DATE,
                TOTAL_FEE       NUMBER(4),
                COURSE_ID       NUMBER(4))
                PARTITION BY RANGE (ADMISSION_DATE)
                INTERVAL (NUMTOYMINTERVAL(3,'MONTH'))
                ( PARTITION QUAT_1_2012 VALUES LESS THAN (TO_DATE('01-APR-2012','DD-MON-YYYY')),
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                 PARTITION QUAT_3_2012 VALUES LESS THAN (TO_DATE('01-OCT-2012','DD-MON-YYYY')),
                 PARTITION QUAT_4_2012 VALUES LESS THAN (TO_DATE('01-JAN-2013','DD-MON-YYYY')));
Table created.
SQL> ALTER TABLE DEMO_INTERVAL_DATA_LOAD ADD CONSTRAINT IDX_DEMO_ROLL PRIMARY KEY (ROLL_NUM);
Table altered.
SQL> SELECT TABLE_OWNER,
           TABLE_NAME,
           COMPOSITE,
           PARTITION_NAME,
       PARTITION_POSITION,
          TABLESPACE_NAME,
       LAST_ANALYZED
FROM DBA_TAB_PARTITIONS
    WHERE TABLE_OWNER='SCOTT'
   AND TABLE_NAME='DEMO_INTERVAL_DATA_LOAD'
   ORDER BY PARTITION_POSITION;
TABLE_OWNER                    TABLE_NAME                     COM PARTITION_NAME                 PARTITION_POSITION TABLESPACE_NAME                LAST_ANAL
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_1_2012                                     1 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_2_2012                                     2 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_3_2012                                     3 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_4_2012                                     4 USERS
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD VALUES (10,1,'12-MAR-2012',1000,90);
1 row created.
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD VALUES (11,5,'01-JUN-2012',5000,80);
1 row created.
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD VALUES (12,9,'12-SEP-2012',4000,20);
1 row created.
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD VALUES (13,7,'29-DEC-2012',7000,10);
1 row created.
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD VALUES (14,8,'21-JAN-2013',2000,50); ---- This row will create a new interval partition in table.
1 row created.
SQL> commit;
SQL> SELECT TABLE_OWNER,
        TABLE_NAME,
        COMPOSITE,
        PARTITION_NAME,
        PARTITION_POSITION,
        TABLESPACE_NAME,
        LAST_ANALYZED
FROM DBA_TAB_PARTITIONS
     WHERE TABLE_OWNER='SCOTT'
   AND TABLE_NAME='DEMO_INTERVAL_DATA_LOAD'
   ORDER BY PARTITION_POSITION;
TABLE_OWNER                    TABLE_NAME                     COM PARTITION_NAME                 PARTITION_POSITION TABLESPACE_NAME                LAST_ANAL
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_1_2012                                     1 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_2_2012                                     2 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_3_2012                                     3 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_4_2012                                     4 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO SYS_P98                                         5 USERS
SYS_P98 partition is added to table automatically.
SQL> CREATE TABLE DEMO_INTERVAL_DATA_LOAD_Y (
                ROLL_NUM        NUMBER(10),
                CLASS_ID        NUMBER(2),
                ADMISSION_DATE DATE,
                TOTAL_FEE       NUMBER(4),
                COURSE_ID       NUMBER(4));
Table created.
SQL> INSERT INTO DEMO_INTERVAL_DATA_LOAD_Y VALUES (30,3,'21-MAY-2013',2000,12);
1 row created.
SQL> commit;
Commit complete.
Since, i need a partition in DEMO_INTERVAL_DATA_LOAD table, which can be used in partition exchange, so i create a new partition as below:
SQL> LOCK TABLE DEMO_INTERVAL_DATA_LOAD PARTITION FOR (TO_DATE('01-APR-2013','DD-MON-YYYY')) IN SHARE MODE;
Table(s) Locked.
SQL> SELECT TABLE_OWNER,
           TABLE_NAME,
           COMPOSITE,
           PARTITION_NAME,
           PARTITION_POSITION,
           TABLESPACE_NAME,
           LAST_ANALYZED
FROM DBA_TAB_PARTITIONS
    WHERE TABLE_OWNER='SCOTT'
   AND TABLE_NAME='DEMO_INTERVAL_DATA_LOAD'
   ORDER BY PARTITION_POSITION;
TABLE_OWNER                    TABLE_NAME                     COM PARTITION_NAME                 PARTITION_POSITION TABLESPACE_NAME                LAST_ANAL
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_1_2012                                     1 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_2_2012                                     2 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_3_2012                                     3 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO QUAT_4_2012                                     4 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO SYS_P98                                         5 USERS
SCOTT                          DEMO_INTERVAL_DATA_LOAD        NO SYS_P102                                        6 USERS
SQL> ALTER TABLE DEMO_INTERVAL_DATA_LOAD
EXCHANGE PARTITION SYS_P102
WITH TABLE DEMO_INTERVAL_DATA_LOAD_Y
INCLUDING INDEXES
WITH VALIDATION;
ALTER TABLE DEMO_INTERVAL_DATA_LOAD
ERROR at line 1:
ORA-14097: column type or size mismatch in ALTER TABLE EXCHANGE PARTITIONNow, if i disable/drop the primary key constraint, it works without any problem.
SQL> alter table DEMO_INTERVAL_DATA_LOAD disable constraint IDX_DEMO_ROLL;
Table altered.
SQL> alter table DEMO_INTERVAL_DATA_LOAD drop constraint IDX_DEMO_ROLL;
Table altered.
SQL> ALTER TABLE DEMO_INTERVAL_DATA_LOAD
EXCHANGE PARTITION SYS_P102
WITH TABLE DEMO_INTERVAL_DATA_LOAD_Y
INCLUDING INDEXES
WITH VALIDATION;
Table altered.
SQL> select * from DEMO_INTERVAL_DATA_LOAD partition (SYS_P102);
ROLL_NUM   CLASS_ID ADMISSION TOTAL_FEE COURSE_ID
        30          3 21-MAY-13       2000         12
SQL> select * from DEMO_INTERVAL_DATA_LOAD_Y;
no rows selectedPlease suggest.

First, thanks for posting the code that lets us reproduce your test. That is essential for issues like this.
Because the primary key is global you will not be able to use
INCLUDING INDEXES
WITH VALIDATION;And you will need to add the primary key to the temp table
ALTER TABLE DEMO_INTERVAL_DATA_LOAD_Y ADD CONSTRAINT IDX_DEMO_ROLL_Y PRIMARY KEY (ROLL_NUM);The the exchange will work. You will need to rebuild the primary key after the exchange.

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Hi gurus,
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Thanks in advance

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Hi,
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Hi All,
I have parent and child table.
Parent table
create table parent_1
(id number,
create_date date,
constraint parent_1_pk001 PRIMARY KEY (id))
PARTITION BY RANGE (create_date)
INTERVAL (NUMTODSINTERVAL(1,'DAY'))
(PARTITION parent_1_part VALUES LESS THAN ('01-JAN-2010'));
Child Table
create table child_1
(id number,
create_date date,
constraint child_1_fk001 FOREIGN KEY (id)
REFERENCES parent_1 (id))
PARTITION BY RANGE (create_date)
INTERVAL (NUMTODSINTERVAL(1,'DAY'))
(PARTITION create_date_part VALUES LESS THAN ('01-JAN-2010'));
I am having problems dropping partition.
Parent_1
1     26-JUL-12
2     26-JUL-12
Child_1
1     26-JUL-12
alter table CHILD_1 drop partition SYS_P274;
table CHILD_1 altered.
ON DROPPING PARENT PARTITION
alter table parent_1 drop partition SYS_P273;
Error report:
SQL Error: ORA-02266: unique/primary keys in table referenced by enabled foreign keys
02266. 00000 - "unique/primary keys in table referenced by enabled foreign keys"
*Cause:    An attempt was made to truncate a table with unique or
primary keys referenced by foreign keys enabled in another table.
Other operations not allowed are dropping/truncating a partition of a
partitioned table or an ALTER TABLE EXCHANGE PARTITION.
*Action:   Before performing the above operations the table, disable the
foreign key constraints in other tables. You can see what
constraints are referencing a table by issuing the following
command:
SELECT * FROM USER_CONSTRAINTS WHERE TABLE_NAME = "tabnam";
PLEASE CAN I KNOW IF THERE IS ANY WAY TO DROP PARENT PARTITION WITHOUT DISABLE/ENABLE FOREIGN CONSTRAINTS
Thanks

SQL Error: ORA-02266: unique/primary keys in table referenced by enabled foreign keys
02266. 00000 - "unique/primary keys in table referenced by enabled foreign keys"
*Cause: An attempt was made to truncate a table with unique or
primary keys referenced by foreign keys enabled in another table.
Other operations not allowed are dropping/truncating a partition of a
partitioned table or an ALTER TABLE EXCHANGE PARTITION.
*Action: Before performing the above operations the table, disable the
foreign key constraints in other tables. You can't do that until you disable the foreign key constraint
http://jonathanlewis.wordpress.com/2006/12/10/drop-parent-partition/
Hope this helps
Mohamed Houri
www.hourim.wordpress.com

Problem while dropping partitions

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