SQL & PL/SQL :: Partition Keys Has To Be Changed To Dept From The Existing Version
Aug 9, 2011
table was defined as below & indexes are also created on name /dept columns, data is also available :
create table test (
name varchar2(10),
version NUMBER(12),
dept varchar2(10)
[code].....
Now the requirement is that the parition keys has to be changed to 'dept' from the existing 'version' . How to accomplish this without any implication on the indexes and other constraints.
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Jun 14, 2011
i want to create a new partition for version 2
existing table is as below
create table test
(
name varchar2(100),
version NUMBER(12)
)
[Code]....
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Sep 25, 2012
I am experimenting with the 4.2 version of Apex at URL.....
I have created a tabular form (based on a view with an instead of trigger) and have restricted this form to "Update only" mode. Whenever I modify a field value and submit the change I get the error "Current version of data in database has changed since user initiated update process".
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Nov 30, 2011
We have a transaction table and has 30 million rows. The table is not partitioned till date. We need to create partition on this table. We had an idea of moving this data to a temporary table and create partition[range]on the original table and move the data back.
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Jul 17, 2010
I have a partitioned table in which at the first level it is been partitioned based on date column(C1) and within in each partition it is again sub-partitioned based on a column(C1) which is a numeric value now at first level(C1 column level) there are 6 partitions and in the last partition i want to add another partition how can i do that.
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Aug 13, 2010
I need to create partition on the non partition table without dropping a table.
Range partition on stage tables and hash partition on fact tables.
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Jan 23, 2011
I recently started working with legacy code and noticed that some huge tables (5 years worth of data, don't have more details on me right now but can post later if needed) are partitioned based on time sequence number column while majority of queries are done based on time (different column). Queries performance is degrading and I'd like to try to modify partitioning and run some tests to evaluate performance improvement.
My only concern is with so much live data I have to come up with solution on how to switch partitioning with the least impact on applications running 24 x 7. Something you have done in the same situation and it worked?
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Oct 13, 2011
I need to partition a existing table based on varchar2 field (which is actaully date value but storing as character in the table). Using below statement for creating table, but getting error.
create table TST_CUST_ARC
(
interact_id NUMBER(10),
extrn_id VARCHAR2(38),
src_cd VARCHAR2(25),
full_nm VARCHAR2(45),
run_control_date VARCHAR2(13)
[code]....
Getting error : ORA-00907: missing right parenthesis
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Dec 14, 2012
We have a table which is already partitioned by list and now we would like to add a subpartition.
Create table Item_mst
(
ccn varchar2(10),
Flag varchar2(1),
Item varchar2(10),
status varchar2(1)
)
[Code]..
Now I could like to alter the above table for adding a new subpartition on each partition on status.
ALTER TABLE Item_mst
MODIFY PARTITION Item_mst_Test
ADD SUBPARTITION Item_mst_Test_A VALUES ('A');
Above alter gives ORA-14253: table is not partitioned by composite range method.
However dropping and recreating the table with subpartitions is working fine.
But Dropping and recreating the table in production is very cumbersome as it has huge data and many indices.
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Jul 7, 2010
I have to convert some existing materialized views (fast refresh) to partition materialized views.
Database version is oracle 10.1.0.4. I have decided to use on prebuilt table option to do the partitioning as it minimizes the time to transfer from the master site.
1) stop replication
1) create interim tables with similar structure as the materialized views
2) transfer all data from the materialized views to the interim tables
4) script out the materialized views structure and add in on prebuilt table option in the scripts
5) drop the materialized views
6) rename the interim tables with the same name as the materialized views
7) run the scripts to create the materialized views with on prebuilt table option
8) refresh the newly created materialized views -> it should take a short time since I am using on prebuilt table option
But I am facing one major issue. That is if I drop the materialized views, the materialized view logs of the master tables are purged. When the materialized views are refreshed fast, there are some data missing. the data that are purged out when the materialized view are dropped.
Do you happen to know other ways that existing materialized views can be converted to partitioned materialized views? Do you have any workaround to prevent the materialized view logs from being purged?
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Dec 4, 2006
What is the structure and the values of the default EMP and DEPT table in oracle 9i....i accidentally dropped those 2 tables .... and i don't remember the structure of it.
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Oct 15, 2010
We are planning to upgrade a database from 9.2.0.8.0 to 10.2.0.4.0.We have a lot a PRO*C programs pre compiled using 9.2.0.8.0 (and most likely even 9.2.0.7.0) compiler.
if we could upgrade the database without having to re-compile all the programs.We have tested this approach against some of our programs. Most of them executed fine - but in 2 cases we are getting "ORA-01001 invalid cursor". I suspect, that the case is that Pre compiler version 9 is not supported against 10g databases - but I am not sure.
Would it be a better option to upgrade Pre compiler/client as the first step and the db as the second step (and would that be supported) ? We definitely don't want to upgrade both Pre compiler/Client and the Database in one goal - that would be too risky.
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Jun 3, 2010
I have a report of version 10g . I want to run this report in oracle reports 6i version.
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Jul 24, 2013
I want TO find out FIRST two employee joined IN A particular department WITH department information.THE relation IS basically FROM THE scott SCHEMA.I tried LIKE AS follows. IS there ANY other way FOR best PERFORMANCE.
SELECT deptno,dname,loc,
Max(Decode(rn, 1, hiredate))hiredate1,
Max(Decode(rn, 1, ename)) employee1,
Max(Decode(rn, 2, hiredate))hiredate2,
Max(Decode(rn, 2, ename)) employee2
FROM (SELECT d.deptno,dname,loc,hiredate,ename,Row_number() over(PARTITION BY e.deptno ORDER BY hiredate) rn
FROM dept d, emp e
WHERE d.deptno = e.deptno(+))
GROUP BY deptno,dname,loc;
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Aug 1, 2013
How to select Name and Department name from dept and emp table using parametrized cursor . Provide only Cursor declaration part.
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Mar 30, 2012
I am using Oracle 11g version, I wanted to check if a particular function is available in the earlier version of Oracle (Say 9i). Oracle optimizer to run the query only using the features available in the 9i version?
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May 28, 2010
i have table with range partition and list sub-partition..can i add one more list sub-partition if it is not possible , i have to drop first sub-partition.
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Aug 21, 2012
I want to update the names of employees by concatenating with A for DEPT 20. For that I have written the following PL/SQL block. But instead of one A the ename are concatenating with five AAAAA s.
DECLARE
TYPE lt_emp_arr IS TABLE OF t_emp.deptno%TYPE;
l_emp_arr lt_emp_arr;
BEGIN
SELECT deptno
BULK COLLECT INTO l_emp_arr
[code].......
I got the following out put.
EMPNOENAME SAL DEPTNO
7566JONESAAAAA200020
7788SCOTTAAAAA300020
7902FORDAAAAA300020
7369SMITHAAAAA800020
7876ADAMSAAAAA 130020
But I want the output like this
EMPNOENAMESAL DEPTNO
7566JONESA200020
7788SCOTTA300020
7902FORDA300020
7369SMITHA800020
7876ADAMSA 130020
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Jun 23, 2013
In dept table there is deptno=10,20,30,40
in emp table there is deptno=10,20,30
i want to find the deptno which present in dept table but not
present in emp table.
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Aug 21, 2012
I want to update the names of employees by concatnating with A for DEPT 20. For that I have writteh the following PL/SQL block. But instead of one A the ename are concatinating with five AAAAA s.
DECLARE
TYPE lt_emp_arr IS TABLE OF t_emp.deptno%TYPE;
l_emp_arr lt_emp_arr;
BEGIN
SELECT deptno
[Code]...
/I got the following out put.
EMPNO ENAME SAL DEPTNO
7566 JONESAAAAA 2000 20
7788 SCOTTAAAAA 3000 20
7902 FORDAAAAA 3000 20
7369 SMITHAAAAA 8000 20
7876 ADAMSAAAAA 1300 20
But I want the output like this
EMPNO ENAME SAL DEPTNO
7566 JONESA 2000 20
7788 SCOTTA 3000 20
7902 FORDA 3000 20
7369 SMITHA 8000 20
7876 ADAMSA 1300 20
how to achieve this.
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Jan 21, 2013
I WANT to RETRIEVE all the INFORMATION of DEPT ALONG with TWO EMPLOYEES of each DEPARTMENT.is any OTHER WAY to DO THIS due to performance in Oracle 10g
SELECT *
FROM DEPT D,
(SELECT DEPTNO,
MAX(DECODE(RN,1,ENAME,NULL)) ENAME1,
MAX(DECODE(RN,2,ENAME,NULL)) ENAME2
[code]......
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Dec 19, 2011
I'm am getting an error that says that a role doesn't exist when I can cleary see it in DBA_ROLES. I can successfully grant other roles in this session. I am using Oracle 11.1 on RAC.
GRANT "CONNECT" TO BAKERD
Error at line 1
ORA-01919: role 'CONNECT' does not exist
select * from dba_roles where role = 'CONNECT'
[code]....
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Mar 17, 2011
I Know we can create dynamic partitions on table in oracle 11g. Is it possible to create normal partition and sub partition both dynamically.I have to create Normal partition range on date and sub partition list on Batch ID (varchar).
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Jun 26, 2010
I have a table that partitioned into six partitions. each partitions placed in different table space and every two table space placed it on a different hardisk
when I will do query select with the non-partition keys condition, how the search process ? whether the sequence (scan sequentially from partition 1 to partition 6) or partition in a hardisk is accessed at the same time with other partition in other hardisk. ( in the image, partition 1,4 accessed at the same time with partition 2,5 and 3,6)
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Apr 3, 2013
At present we have a non partitioned table.
Can we apply redefinition and create range partition and hash sub partition on it?
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Jul 3, 2008
Trying to delete duplicate rows from a table. The problem is, they aren't exactly duplicate rows. Let me explain.
I am migrating data from a Oracle 8.1.7 db to a 10.2.1 db. In the older db, this certain table does not have a PK/Unique Index, but in the new db there is a unique index. The fields that the index is unique on are:
SUBSCR_NO, SUBSCR_NO_RESETS, EXTERNAL_ID, EXTERNAL_ID_TYPE, ACTIVE_DATE.
In the old db, when I run this query I get 1229 rows. With a count of 2 each.
select SUBSCR_NO, SUBSCR_NO_RESETS, EXTERNAL_ID, EXTERNAL_ID_TYPE, ACTIVE_DATE, count(*)
from customer_id_equip_map
group by SUBSCR_NO, SUBSCR_NO_RESETS, EXTERNAL_ID, EXTERNAL_ID_TYPE, ACTIVE_DATE
having count(*)>1;
They are duplicates on those fields, but they are not totally duplicate rows because there is a field called is_current that has 0 in one row and has 1 in the other. What I need to do, is delete the 1229 rows with is_current=0.
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Oct 7, 2010
In my sql developer I have created a table. Created primary keys. Using alter table I have also created the foreign key. Now I need to add one more foreign key to the same table. Do I have to drop the existing foreign key and then create the 2 new foreign keys using the alter table condition or can I retain the existing FK and just use alter table to add another FK.
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Feb 24, 2007
the relationship on my script.What I want to do is make it possible to assign many courses to a student.But I have read a few books on foreign keys and primary keys, and I still dont get how to go on doing this....
This is how the table creation with the keys looks right now...
CREATE TABLE CAMPUS (
CAMPUSID NUMBER(4) NOT NULL,
NAME VARCHAR2(80) NOT NULL,
CONSTRAINT CAMPUS_PK PRIMARY KEY (CAMPUSID));
[code]...
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Sep 10, 2010
I have few BDs replicated using Advanced Replication, some tables are read only (Basic Replication) and another ones are Updatable (Advanced Replication).
The infraestucture is Materialized View Replication, my trouble is, I do not know how to should treat the updatable tables that have foreign keys, I read in another FAQs that you should replicate the indexes using the same way to replicate tables (dmbs_repcat.create_master_repobject)
Which is the correct manner to treat the foreign keys with this kind of updatable snapshots,
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Feb 19, 2013
I need to copy the changed and deleted data in an other table. I have searched this site ,asktom and other sites also. I found the following solution from asktom website. But it gives me the changed columns data only and i need the primary key with changed data and deleted rows also.
DROP TABLE emp;
CREATE TABLE emp AS (SELECT * FROM scott.emp);
CREATE TABLE audit_table
[Code].....
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