SQL & PL/SQL :: Primary Key Violation Error
Jun 25, 2013
In my application I am facing peculiar error. For easy understanding I am considering emp table. In my package P1 I have two procedures Proc1,Proc2.
Proc1 : It is receiving employee details and for checking if employee already exists it is calling Proc2.
Proc2 : Here it checks if employee exists. If exists it deletes old record, commit and inserts new record in sequence.
But however in few instances Proc2 is returning unique constraint (CONSTRAINT_NAME) violated. I am very much confused why this error is coming.
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Sep 5, 2012
I am trying to handle PK violation error on a certain table, on INSERT, my best guess is I should use a trigger. The basic idea is this:
The table consists of 7 columns, and 6 of them are PK, and the seventh one is "amount". I want to handle PK violation in such way that, if it occurs during INSERT, then instead of inserting a new row, it should just update the "amount".
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Jun 2, 2008
What i have to do to overcome the following error..whenever im using toad im getting this error since start writing and executing procedures and functions.
access violation at address 006b5b1b in module 'toad.exe' read of address 0000011d
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Jan 15, 2013
Using apex 4.2. I have created form item on page and item attribute DISABLES IN SETTINGS , set value as YES and SESSION STATE value as YES.
SETTINGS->DISABLES-> SESSION STATE
by doing this i am getting the error. Error is
Session state protection violation: This may be caused by manual alteration of protected page item P98_CHECK_AMOUNT. If you are unsure what caused this error, please contact the application administrator for assistance.
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May 10, 2011
I have the search screen in my form so after searching if i select the row by using the button it will navigate the first tab page that is "gas" screen here if i tried to change the value like update and save the form it is not allowing me to update the value raising the error message "oracle unable to insert the record". if i see the "display error" in menu it is having the select statement with error "unique key violation error ora-00001".
In save button containe "commit_form"
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Aug 5, 2010
Is there a way to get around the "cannot insert NULL" error when inserting a row with an empty string.
For example:
create table t (
col1 varchar2( 8 ),
col2 varchar2( 8 ),
...,
PRIMARY KEY (col1, col2)
);
insert into t (col1, col2, ...) values ('Hi', '', ...);
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Mar 11, 2011
I have a table called table 1 and I am trying to insert a few values in this table and i am constantly getting bogged down by a primary key error. Strange thing is this primary key called "ID" on the table is a system generated sequence value number. The error is
"ORA-00001: unique constraint (Schema1.LICN_PK) violated"
Table structure:
*****************************************
CREATE TABLE schema1.table1
(
ID NUMBER(12),
LITM_ID NUMBER(12),
PROG_PROGRAM_CD VARCHAR2(2 BYTE),
SCHED_NBR VARCHAR2(3 BYTE),
SCHD_VERSION_YR NUMBER(4),
SCHD_VERSION_NBR NUMBER(3),
[code]........
****************Insert statement*************
insert into table1
(id,
litm_id,
prog_program_cd,
sched_nbr,
schd_version_yr,
[code].......
why the error is coming up and any way to resolve it. I checked the max sequence number value and kept running it for a while and then tried to run my insert statement but no luck yet.
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Aug 23, 2011
Our RMAN backup failed because of the error:
starting full resync of recovery catalog
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 08/22/2011 22:19:07
RMAN-03014: implicit resync of recovery catalog failed
RMAN-03009: failure of full resync command on default channel at 08/22/2011 22:19:07
ORA-00001: unique constraint (ODBA.DF_U2) violated
Searching metalink, its related to bug 6014994 and the proposed workaround is to delete the constraint:
Cause:
Dropping a datafile from a tablespace followed immediately by adding
another datafile to the same tablespace will cause this Unique Key violation.
Taking a RMAN debug trace will show the file# related to the error
This is reported as bug <<6014994>> Unpublished on Metalink and fixed in 11g
RMAN RESYNC catalog signals DF_U2 violated constraint when a file# is reused in
the same tablespace
Solution
WORKAROUND: Drop df_u2 constraint
where can I delete the constraint, is it possible to do in RMAN or in the target instance?
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Feb 5, 2013
I've set up Oracle Streams replication between multiple N-way zones like this:
CODE------------------------------
Nway1 |Intersect| Nway2
DB1 --|-- DB3 --|-- DB5 DB1, DB2, DB3, DB4 - N-way1
| | | | | DB3, DB4, DB5, DB6 - N-way2
DB2 --|-- DB4 --|-- DB6 DB3, DB4 - intersection zone
| |
-------------------------------
Physically DB1 .... DBN connected sequentially, so I want to prevent segmentation if some DB is unaccessible, but at the same time fight unneeded redundancy which uses too much link bandwidth to send N-1 LCR-s to all members of a single N-way group (so I want to split one big N-way zone into smaller ones and sequentially connect them into chain - it significantly reduces load on link if N is big enough (>10)). Also I want to have 2 DB in intersection zone to prevent single point of failure.
This scheme has one drawback - if change originated on DB3 or DB4, then it will be propagated (more correctly - applied and captured again) to DB5 and DB6 by both DB1 and DB2 (and, as far as I know, I have no means in capture rules to detect state of DB2 from DB1 and vise versa), so on DB5 and DB6 I get:
CODEORA-00001: unique constraint (DUMMYUSR.UNIQUE_RECORDS) violated error
I've set up standard conflict handler for apply process:
CODE
declare
cols DBMS_UTILITY.NAME_ARRAY;
begin
cols(1) := 'no';
cols(2) := 'name';
cols(3) := 'ddate';
dbms_apply_adm.set_update_conflict_handler(
object_name => 'DUMMYUSR.DUMMYTBL',
method_name => 'DISCARD',
resolution_column => 'no',
column_list => cols
);
end;
but it seems that it does not handle uniqueness conflicts. What is the best way to handle uniqueness conflict (is there a better way than to write custom error handler) and how serious is the impact on insert performance of having unique constraint and corresponding error handler. (In real world I will have to deal with tables with metainformation and without any keys).
Also, how to proceed with no error or raise exception from apply error handler with error that caused this handler to run? In oracle docs I can find only example that modifies LCR and runs lcr.EXECUTE(TRUE), but what to do if I don't want to reexecute LCR, but merely check error code and propagate error if it is not ORA-00001?
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Nov 5, 2012
drop table t1
/
create table t1
(
id int PRIMARY KEY
)
/
insert into t1
select 1
from dual
union all
select 2
from dual
union all
select 2
from dual
union all
select 3
from dual
/
ERREUR à la ligne 1 :
ORA-00001: violation de contrainte unique (SYSTEM.SYS_C0011990)
how to get the rows that produced the constraint violation ?
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Jan 14, 2012
I am using the Toad10.After i enter the user, Pwd it displays the Toad error that""Access violation at address 6761CB21 in module 'ORA805.dll'. Read of address 00000010 ""
while i try to use the F4 functionality, it again displays the above msg and Object not found...After i execute the query, all the characters data displays in chinees.
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Nov 21, 2012
I have upgraded from APEX 4.1 to 4.2.all read only items with dynamic action are arising below error:
session state protection violation: this may caused by manual alteration of protected item P2_IDACCSET.
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Nov 16, 2010
We are trying to import data into existing tables in a schema using data pump
However the foreign key tables are being imported first and then the master table data thus violating the constraints
Apparently it seems larger tables are being imported first regardless of referential integrity constraints thus causing constraint violation (contrary to my understanding)
Is it a normal behaviour during data pump import?
Is it possible that the keys being sequence generated are causing this?
As I understand import will commit after each table In that case can we defer commit at all at the expense of large undo, set constraints to deferrable and try the import?
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Apr 4, 2013
I am using RAC to RAC data guard environment. Os hp-unix. during primary(old standby) to standby(old primary) switchover I am ussing:
SQL>ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY WITH SESSION SHUTDOWN;
I have 11.2.0.1 environment with standby and when performing switch over - it was hanging for more than 2 hours and i had to cancel it. This is what all i see in the database alert.log:
Errors in file /u02/app/oracle/diag/rdbms/drpdb/drpdb1/trace/drpdb1_m000_15160.trc:
ORA-01155: the database is being opened, closed, mounted or dismounted
Thu Apr 04 17:44:03 2013
Errors in file /u02/app/oracle/diag/rdbms/drpdb/drpdb1/trace/drpdb1_m000_15780.trc:
ORA-01155: the database is being opened, closed, mounted or dismounted
Thu Apr 04 17:59:03 2013
Errors in file /u02/app/oracle/diag/rdbms/drpdb/drpdb1/trace/drpdb1_m001_16373.trc:
[code]....
ORA-01155: the database is being opened, closed, mounted or dismounted.
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Dec 20, 2011
While making a view.
1. Is it advisable to have primary key in a view.
2. Why can't we have a primary key in a view, what are its advantages. I mean one cannot search a view by index.
3. Is it because of hibernate, but again i have used distinct keyword in a view declaration which means i cannot insert via view.
Here is my code for view to make a primary key in a view.
CREATE OR REPLACE FORCE VIEW VU_NAME
PRIMARY_KEY, NAME_ID, ADDRESS_ID
)
[Code]....
alter view VU_NAME add constraint vemp_pk primary key (PRIMARY_KEY) disable
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Jul 13, 2012
I have a table called Order_Mstr
order_id order_Desc
-------- ----------
1 Order1
2 Order2
3 Order3
4 Order4
Child tables referring Order_id are:
Order_child1
Order_child2
Order_child3
Order_child4
Order_child5
Order_child6
.
.
.
Order_child50
I have to update Order_id with some 8 digit number generated by some algorithm. And i have to update that value in child tables as well. In how many ways i can do this task. for example..
1) Disabling the constraint and updating Master value and child value.
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Jul 10, 2012
primary key should be
W1
W2
W3 like this.
1,2,3 are sequence numbers.
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Apr 17, 2013
what is the difference between these two and in where we use Primary key and where we choose Surrogate Key.How to understand the difference between these two keys.
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Jun 26, 2012
understanding composite primary key.
I know what is composite key and how it stores the data.. but i am not able to find when i have to choose the columns to be composite keys.
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Oct 4, 2007
Whats the command to show the name of the primary key in a table using oracle sql plus?
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Feb 19, 2011
I have set up a schema using a DDL script in Oracle 10g. I am linking this through to a Visual Basic 2008 fron end. The connection is fine. My database of is for a car hire company project.
I need to know how to create an auto increment for a primary key field, like Access does.
For example here is my table structure for my Rental_Payment table.
-- TABLE RENTAL_PAYMENT
CREATE TABLE RENTAL_PAYMENT (
PAYMENTNO NUMBER NOT NULL,
CARDNO NUMBER NOT NULL,
[Code]....
So for example the first record would appear as:
PAYMENTNO CARDNO AMOUNT CARD_TYPE
======== ===== ====== =======
01
I would then enter values and the next payment number would be 02 etc.
PAYMENTNO CARDNO AMOUNT CARD_TYPE
======== ===== ====== =======
01 123412 £40.00 VISA
02
Visual Basic will usually have a star (*) beside a new entry field so 02 will be
* 02
etc........
I have about creating a sequence. So how can I tie this to my table?
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May 2, 2012
I am trying to establish PK-FK relationship between 2 tables. Table 1 has VACC_ID as a primary key. Table 2 has VACC_ID and SCH_ID as the primary keys. I am trying to add VACC_ID from Table 2 as a FK to Table 1. This is the code I used
ALTER TABLE Table_1
ADD CONSTRAINT FK_VACC_ID
FOREIGN KEY (VACC_ID)
REFERENCES Table_2(VACC_ID)
I also tried to add it without writing the query and editing the Table 1. By default, I am getting 2 columns(both VACC_ID) in the local column being referenced to the 2 primary keys(VACC_ID and SCH_ID) of table 2. I also uploaded the screeshot of the error, when I run the query.
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Jul 12, 2012
What is the default key created when a primary key is created in a table ?
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May 20, 2010
I have the following 3 columns in my VERSIONS table.
MAJOR
MINOR
MICRO
The MAJOR,MINOR and MICRO columns create a unique composite primary key. I need to query out the last version by doing the following 3 queries and combine them.
select max(major) as max_major from versions
select max(minor) as max_minor from versions where major = :max_major
select max(micro) as max_micro from versions where minor = max_minor and major = max_major
Is there any way I can query out max(major),max(minor),max(micro) in a single query.
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Jan 24, 2013
we apply partitioning concept on a table which don't have any primary key ?
I just want to add one more field as primary key with some sequence generated values while partitioning ? Is it possible ?
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Jul 13, 2010
On my system 2 oracles are installed for different applications one having version 8.0 & other 10.0.
The oracle 10.0 is required for Windchill application. When I am trying to access the sqlplus by windchill shell it access the Oracle 8.0 sqlplus. how to set one oracle as primary on system so i am able to access the oracle 10 sqlplus in windchill shell.
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Oct 8, 2012
PM_KEY.. PCN....... JOBNO...PM_VERNO
20......... 137....... XX23..... 0
21......... 137....... XX24..... 1
22......... 137....... XX17..... 2
23......... 137....... XX81..... 3
22......... 137....... XX90..... 2
I have a dilemma......the constraint was disable somehow in my table of about 900,000 records which allowed the insertion on duplicate primary keys as well as duplicate records. I've managed to get rid of the duplicate records, but I haven't quite figured out how to update the primary key and version number. I've tried the following but
UPDATE TABLE
SET PM_PM_KEY=(MAX(PM_KEY)+1), PM_VERNO=(MAX(PM_VERNO)+1)
WHERE TBLDATE= MAX(TBLDATE)
ORDER BY TBLDATE ASC
GROUP BY PCN;
The query is failing with
Error at Command Line:2 Column:19
Error report:
SQL Error: ORA-00934: group function is not allowed here
00934. 00000 - "group function is not allowed here"
*Cause:
*Action:
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Jul 5, 2011
what is the difference between primary key and natural key ?
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Jan 19, 2010
I have a table called TRANS, and a primary key field tran_id. How would i check if there is a record matching tran_id 'DUP7927' ?
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May 28, 2013
i need to set primary key for a column consists of the datatype date.
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