SQL & PL/SQL :: Mutating Trigger Error
Jun 13, 2012
I have created a trigger which gets executed whenever there is DML operation happens on it. I am getting the below error. ORA-04091: table RTS_SCHEMA.TBL1 is mutating, trigger/function may not see it...the tigger is on table tbl1 and the structure of the table is
CREATE TABLE TBL1
(
SLNO NUMBER NULL,
DES VARCHAR2(20 BYTE) NULL
)
LOGGING
NOCOMPRESS
NOCACHE
NOPARALLEL
MONITORING;
[code]...
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Jun 21, 2010
How can we overcome mutating trigger error using global temporary table.
Suppose if we use the following trigger we will get mutating trigger error.
CREATE OR REPLACE TRIGGER t1
AFTER INSERT ON emp
FOR EACH ROW
DECLARE
BEGIN
UPDATE emp SET sal=sal+100;
END;
/
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Jul 4, 2013
Table A basically has 4 rows of interest, an outside event changes/inserts let's say row 1.
Row 2 and 3 have to be changed in a trigger depending on the new value of 1.(or not if the value stays the same)
Row 4 is the reference for the update and will not be changed.
My first simple AFTER INSERT or UPDATE trigger obviously failed because of the mutating table error.
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Feb 18, 2013
I have a table EMPLOYEE with columns employee_id and status. I have a requirement that when an employee status is getting changed, then even its linked employee's status also should be changed to the same status value. For this, I need to handle the updating of linked employee's status using a trigger.
Since we get mutating trigger issue when try to update the originating table, I am trying to go with the approach of "in place of a single AFTER row trigger that updates the original table, resulting in a mutating table error, you may be able to use two triggers. The first is an AFTER row trigger that updates a temporary table, and the second an AFTER statement trigger that updates the original table with the values from the temporary table".
But however I am still facing the same issue.
Test case:
CREATE TABLE EMPLOYEE
(
EMPLOYEE_ID VARCHAR2(1),
STATUS NUMBER(9)
);
INSERT INTO EMPLOYEE VALUES ('A',1);
INSERT INTO EMPLOYEE VALUES ('B',1);
commit;
[code]....
Also, any alternate options (rather than using 2 triggers with temp table).
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Sep 2, 2005
What is Mutating error,have u faced it, I have faced this question so many time in interviews but i have not facing this problem till now.
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Oct 20, 2013
1.I have created table emp_log using structure of emp table
create table emp_log
as select * from emp
where 1=2;
2.Now I have added some new fields i.e
new_sal(updated salary) ,
upd_by (who updated),
upd_date (Salary update date)
alter table emp_log
add (new_sal number, upd_by varchar2(20),upd_date date);
3. I have made following trigger to insert old and new values (for salary,user and date) in emp_log table whenever I update sal for particular employee in emp table and at the same time i am selecting the updated value of sal into lv_sal variable which will cause mutating error.
create or replace trigger emp_trg
after update of sal on emp
for each row
declare
[code]...
4. Suppose sal of emp is 1000:-
update emp
set sal=sal+100
where empno=7369;
>select * from emp_log;
output:- sal= 1000 new_sal=1100
[code]...
Now the question starts if i commment pragma autonomous_tansaction and commit statement then it gives mutating error because at the same time i am updating and selecting value of sal from emp table.
create or replace trigger emp_trg
after update of sal on emp
for each row
declare
[code]...
Questions:-
1.Is pragma autonomous_transaction handling the mutating error and if yes then how?
2.How many ways are there to handle mutating error.
3.What is the exact definition of Mutating Error.
4.An example or query to use lv_sal variable for printing new updated sal.
5.What is Mutating Table , Is it similar to mutating error (Found this topic while searching for mutating error).
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May 16, 2011
Best solution to avoid mutating table error?
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Apr 11, 2013
Oracle version: 10g express.
case study: one class has many students, only one student has reward.
original design:
drop table student;
drop table class;
[Code]...
questions:
1. If I want insert into student values('stu2','cls1','yes'); I can put a trigger on student to check whether it has only one student in class has reward. This trigger should tell me error: I can not let 'stu2' has 'yes' on reward column. But it will lead Oracle error: ora-04091: mutating table. It seems use "after" or "instead of" trigger can solve this problem, so how to do it?
2. Another way to make sure only one student in a class has reward is change design as:
drop table student;
drop table class;
create table class(
clsid varchar2(9) primary key,
reward_stuid varchar2(9));
create table student(
stuid varchar2(9) primary key,
clsid varchar2(9)
not null references class(cid) on delete cascade);But the question is these two tables has foreign key from each other, is it a good design?.
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Feb 24, 2010
I am unable to understand why row level triggers cant be used in mutating tables.
If you need to update a mutating table, you could bypass these restrictions by using a temporary table, a PL/SQL table, or a package variable. For example, in place of a single AFTER row trigger that updates the original table, resulting in a mutating table error, you might use two triggers--an AFTER row trigger that updates a temporary table, and an AFTER statement trigger that updates the original table with the values from the temporary table.
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Jul 20, 2011
I just create a trigger to fire whenever the quantity on hand for a books table has been updated.when the quantity on hand become zero ,it should call 'insert_reorder' procedure and pass the ISBN for the books. This is my code
CREATE OR REPLACE TRIGGER books_qty_on_hand_trg
AFTER UPDATE OF on_hand_quantity ON books
FOR EACH ROW
BEGIN
IF :NEW.on_hand_quantity = 0 THEN
insert_reorde_pp (:NEW.isbn)
END IF;
END;
But i m getting this error
LINE/COL ERROR
4/3 PLS-00103: Encountered the symbol "END" when expecting one of the following: := . ( % ; The symbol ";" was substituted for "EN D" to continue.
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Jan 17, 2011
I have a trigger that is called from an update on the table, this trigger performs the procedure and this procedure update the Same record in the table That shot the trigger. this situation returns error ORA-0060 - DEADLOCK DETECTED WHILE WAITING FOR RESOURCE. Is there any way that this works?
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Oct 4, 2008
I am trying to create a Database event trigger called as ErrorTrap that will fire every time a server error occurs. The error refers to any Oracle error. This trigger can serve as a notification mechanism to an administrator, by populating an error log table.Thus I must create an error lag table before handed and once an error happens, the error code and details must be written back to this table.
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Mar 30, 2012
How to overcome this error
SQL> create or replace trigger trig_insert
2 before insert on insuredpersons for each row
3 begin
4 insert into sms_icare(insuredid)values(:new.id);
5 end;
when i am trying to insert it is throwing error is
ORA-04098:trigger "marbke.trig.sms' is invalid and failed re-validation
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Apr 11, 2013
I am created a trigger to raise the error if the any one try to enter data in one column that is attached a sequence number .This trigger is working but with errors, these error are getting after try to insert values into the table.The errors are:
insert into test2 values(24,'horse','hyderabad',30);-- here 30 is the value trying to enter into the regid column
Error report:
SQL Error: ORA-20101: inserting the regid value not allowed.. it will take auto number
ORA-06512: at "SCOTT.TRI_UNQID", line 11
ORA-04088: error during execution of trigger 'SCOTT.TRI_UNQID'
My trigger is
<code>
create or replace
trigger tri_unqid
before insert on test2
for each row
[code]....
Output:
this is executing and throwing my exception along with other and one more point is if inserted sucessfully with out errors then it is inserting values in the table in the front not in the end of records.
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Nov 28, 2012
I am getting error while creating a trigger. I am not yet find any wrong statement. See the following code and comments.
SQL> CREATE OR REPLACE TRIGGER shclog_in before update on shclog for each row
WHEN (to_number(new.MSGTYPE) = 210)
2 3 declare
4 PRAGMA AUTONOMOUS_TRANSACTION;
5 begin
6 insert into starcas.transaction_log values(:new.PAN,
[code].......
Warning: Trigger created with compilation errors.
SQL> show error
Errors for TRIGGER SHCLOG_IN:
LINE/COL ERROR
-------- -----------------------------------------------------------------
4/1 PL/SQL: SQL Statement ignored
4/21 PL/SQL: ORA-00942: table or view does not exist
SQL>
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May 10, 2013
We have the following trigger in database, whenever we try to insert the record in WIP_OPERATIONS , NO DATA FOUND exception has been thrown, when we debugged, we did not find any issue. The first select statement is getting failed even though there is the value coming for :NEW.wip_entity_id and when we execute the query separately in database with the :NEW.WIP_ENTITY_ID, its getting the value. What could be the reason? Can't we use SELECT Statement in AFTER or BEFORE INSERT trigger?why its throwing NO_DATA_FOUND Exception?
CREATE OR REPLACE TRIGGER sdm_brasil_wj_ops_iface_trg
BEFORE INSERT OR DELETE
ON WIP_OPERATIONS
REFERENCING
[code...
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Jul 19, 2011
I'm trying to create trigger:
CREATE OR REPLACE TRIGGER TBI_ID
BEFORE
INSERT
ON zoo.risk_eval#ctypein
[code]...
Here is error message:
ORA-24344: success with compilation error
2/14 PLS-00201: identifier 'ZOO.RISK_EVAL_CTYPEIN#ID_SEQ' must be declared
2/3 PL/SQL: Statement ignored
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Sep 13, 2011
I created one Update or Insert trigger on a table.When I executing the update statement it is giving error
Ora-04091 : Table gtest is mutating, trigger/function may not see it.
ORA-04088: error during execution of trigger test_email_change
ORA-04091: "table %s.%s is mutating, trigger/function may not see it"
Cause: A trigger (or a user defined plsql function that is referenced in this statement) attempted to look at (or modify) a table that was in the middle of being modified by the statement which fired it.
Action: Rewrite the trigger (or function) so it does not read that table.
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Jun 21, 2011
I have created a trigger in a different server and is working fine. But then when I implemented the same trigger in a different server (secured) then I'm encountering this error:
PLS-00049: bad bind variable
Below is the code for the trigger for reference:
create or replace
TRIGGER TRG_ROLE_RIGHT_HISTORY
BEFORE INSERT OR UPDATE OR DELETE ON MAS_BPI.LOS_SEC_ROLE_RIGHT_MAPPING
FOR EACH ROW
DECLARE
[code]....
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Aug 9, 2011
I create this trigger:
CREATE OR REPLACE TRIGGER T_HST AFTER INSERT
On HST
FOR EACH ROW
DECLARE
Begin
INSERT INTO HST (EMP_NO, START_DATE )
SELECT EMP_NO, SYSDATE
FROM HST
WHERE EMP_NO = :NEW.EMP_NO;
End T_HRS_SAL_PERIOD_HSTY_UPD_PRI;
/
when I insert a new record in table HST I get this error:
ORA-04091: table HST is mutating, trigger/function may not see it
ORA-06512: at "T_HST", line 3
ORA-04088: error during execution of trigger 'T_HST'
What I wrong in this trigger?How can I modify it?
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Apr 4, 2011
I got this error on the code below when i insert for example a record in a table "pedidos_teste" (insert into sgc_supergestor.pedidos_teste select * from sgc_supergestor.pedidos where IDPC=181 and IDPEDIDO=48 )
Below is the error: ORA-1403: ORA-01403: no data found
CREATE OR REPLACE TRIGGER SGC_SUPERGESTOR.pedidos_teste_I_U_D
after INSERT OR DELETE OR UPDATE ON SGC_SUPERGESTOR.PEDIDOS_TESTE
REFERENCING NEW AS NEW OLD AS OLD
FOR EACH ROW
[code]....
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May 2, 2006
My layout is working well enough triggers though are causing me some problems. I am getting the following error message just about every time I write a trigger so I am getting the feeling I am doing something fundamentally wrong. Like there is something I am just not getting because I am getting this error on the simplest of actions.
The error:
FRM-40735: WHEN-VALIDATE-ITEM trigger raised unhandled exception ORA-06502.
--------------------------------------------------------------
ORA-01403: no data found
The trigger is this:
cs3_prog.set_date_mode;
this calls the following procedure in the package cs3_prog:
procedure set_date_mode IS
BEGIN
:cs3_data.street := 'something';
end;
this in the past did a lot more but I kept throwing stuff out to see what could have been causing the problem. This does actually work if I ok through the first error message and then try entering data again into the field the trigger is tied to. On this second firing of the trigger is does successfully alter the value.
Just the fact that this is happening every time I create a trigger and it seems to happen regardless of what I have the trigger doing leads me to believe I have something fundamentally wrong and I would love to have it set straight.
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Apr 30, 2013
i create this trigger to lock inserting transaction for any data greater than 30-04-2013 on a certain table
CREATE OR REPLACE TRIGGER INVALID_DATE_VALUE BEFORE INSERT or UPDATE on ra_cust
FOR EACH ROW
BEGIN
IF :NEW.TRX_DATE >'30-APR-2013'
THEN
-- RAISE_APPLICATION_ERROR('ora-0000','DATE CANNOT FALL IN RANGE...Invalid Date');
RAISE_APPLICATION_ERROR(-20000, 'IT IS NOT ALLOWED TO INSET DATE VALUE GREATER THEN ''30-04-2013''');
END IF;
END;
and this trigger created successfully
when i try to insert data in the table ra_cust even in a range less than 30-apr-2013
i got this error
ORA-20000: IT IS NOT ALLOWED TO INSET DATE VALUE GREATER THEN '30-04-2013'
ORA-06512: at "ARASK_HAGAR.INVALID_DATE_VALUE", line 5
ORA-04088: error during execution of trigger 'ARASK_HAGAR.INVALID_DATE_VALUE'
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Aug 29, 2012
I have getting error will insert into table i.e
i have a trigger as below
create or replace trigger INS_ERRORS
before insert on MIG_STG_ERRORS
for each ROW
declare
V VARCHAR2(22);
[code]........
when i insert into MIG_STG_ERRORS getting error message like 00036. 00000 - "maximum number of recursive SQL levels (%s) exceeded"
*Cause: An attempt was made to go more than the specified number of recursive SQL levels.
*Action: Remove the recursive SQL, possibly a recursive trigger.
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Dec 10, 2012
Here are the relevant tables to the triggers I'm having trouble with.
create table profile
(
userID number(10),
uname varchar2(64),
email varchar2(32),
password varchar2(32),
date_of_birth date,
[code]...
Here's the triggers I currently have that doesn't work.
create or replace trigger DropAccount
after delete on profile
FOR EACH ROW
BEGIN
delete from groupMembership where (userID = :old.userID);
END;
The DropAccount trigger's purpose is to delete all the records from groupMembership that contains the userID of the person deleting his/her own account. It appears to work when I run the following statements in sqlplus:
delete from profile where (userID = '1');
select * from groupMembership where (userID = '1');
But when I try to delete an account through a java interface using JDBC I get the following error:
Machine Error: java.sql.SQLException: ORA-04091: table *****.GROUPMEMBERSHIP is mutating, trigger/function may not see it
ORA-06512: at "*****.DROPACCOUNT", line 2
ORA-04088: error during execution of trigger '*****.DROPACCOUNT'
The java function basically just executes a delete statement.
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Jul 8, 2011
I am trying to build one custom 10g form from TEMPLATE.fmb. when i try to compile my form in desktop it is giving error as Error FRM-40735: ON-ERROR trigger raised unhandled exception ORA-6508.
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Aug 7, 2012
when ever the developer connecting to database to generate froms or While trying to create inventory categories below error is appearing.
FRM-40735: On-error trigger raised unhandled exception ora-06508..
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Dec 21, 2010
I am using forms 10g developer suite, AIX in appl server.
When I run the form on my local drive through web I am getting error that,FRM-40735:ON-ERROR trigger raised unhandled exception ORA-06508.
My fmbs & fmxs are in e:fmb, libraries are in d:applicationlib.
FORMS_PATH in Registry is C:DevSuiteHome_1cgenf61admin;C:DevSuiteHome_1forms;e:fmb;d:applicationlib
I have set the same path in default.env also.What should I update, to run the form successfully.
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Mar 4, 2010
create table test123 as (unit varchar2(5),qty varchar2(25));
insert into test123('ABC','10,40,50');
insert into test123('PQR','20,30,40,10');
insert into test123('XYZ','20,10,70');
I have a table called test123 which qty field. if the sum of qty is entered more than 100 or less than 100, it should throw error.
I wrote this trigger..but it is not working.
create or replace restrict_sum
after insert or update of qty on test123
for each row
declare
v_sum number;
[code].........
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Feb 9, 2011
I am facing a post trigger problem.No error while compiling.
DECLARE
mYPACCT VARCHAR2(10);
mTRNNO NUMBER; mVNO NUMBER; mSR NUMBER; mNARRATION VARCHAR2(200); mCHCODE VARCHAR2(10); mPARTY VARCHAR2(200);
mBRAND VARCHAR2(200); mYARN VARCHAR2(200);
BEGIN
BEGIN
SELECT YPACCT INTO mYPACCT FROM CONFIG;
EXCEPTION WHEN NO_DATA_FOUND THEN NULL;
END;
[code].....
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