Possible To Create Sequence Inside DML Trigger
Apr 12, 2013
i would like to create a sequence inside a dml trigger. Is it possible? I created a trigger and it is compiled sucessfully.
create or replace trigger tri_update_test
after delete on test
declare
pragma autonomous_transaction;
begin
execute immediate 'create sequence t_unqid
start with 1
increment by 1
nocache '
end ;trigger created successfully. And i try to delete data from the test delete from test where id=5;
Output:
ERROR at line 1:
ORA-01031: insufficient privileges
ORA-06512: at "SCOTT.TRI_UPDATE_TEST", line 4
ORA-04088: error during execution of trigger 'SCOTT.TRI_UPDATE_TEST'
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Apr 12, 2013
i would like to create a sequence inside a dml trigger. Is it possible? I created a trigger and it is compiled sucessfully.
create or replace trigger tri_update_test
after delete on test
declare
pragma autonomous_transaction;
[code]...
trigger created sucessfully.And i try to delete data from the test
delete from test where id=5;
Output:
ERROR at line 1:
ORA-01031: insufficient privileges
ORA-06512: at "SCOTT.TRI_UPDATE_TEST", line 4
ORA-04088: error during execution of trigger 'SCOTT.TRI_UPDATE_TEST'
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Nov 26, 2012
I am switching database from access to oracle 11g. I have create all the required tables, but I am stuck at one point. The previous person who created access database had auto increment with SG0101, SG0102,........ In oracle I know we can auto increment primary keys but only with the numbers not with characters.
So I have customerid which is a primary key and it automatically increments the number, but I have one more column with memberid where I am inserting all the ids that start with SG0101 bla bla.....
I already have 800 member ID's that start with SG, but that value doesnt automatically increment because I dont have any sequence or trigger to do that.
So how do I create a sequence and trigger that will automatically start value with SG and keeps auto incrementing?
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Aug 8, 2011
I am trying to call procedure inside trigger.. but i get error ora-04098 ..
create table emp_hstry
as
select * from emp
where
1= 2 ;
create or replace procedure emp_del_hstry(v_empno NUMBER ,
v_ename VARCHAR2,
v_job VARCHAR2)
is
insert into emp_hstry (empno,ename,job)
values (v_empno,v_ename,v_job);
COMMIT;
end;
create or replace trigger emp_del_hstry1
after insert or delete
on emp
for each row
begin
if deleting then
emp_del_hstry(:old.empno,:old.ename,:old.job);
end if;
end;
delete from emp
where
empno = '7369'
AFTER delete statement run i get ora-04098 message i also check show error command ,but still i am not getting solution of this error ..
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Oct 10, 2013
I would like to execute an external batch file in Windows using DBMS_SCHEDULER in an Oracle database (10g or a higher version). I intend this to be done through a trigger, which would be called on encountering specific errors in Oracle.
The problem is that I can't create triggers on SYS objects, but DBMS_SCHEDULER is owned by (and as far as I understand, supposed to be used with) SYS user. what permissions need to be granted to which user? Also, can this be done on creating a new user and not using the default SYS and SYSTEM users?
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Apr 15, 2011
CREATE TABLE TBL_LTEST
(
ID NUMBER,
MYPO NUMBER
);
alter table tbl_ltest add constraint pk_tbl_ltest primary key (id, mypo);
I want the data in this table to be like this:
ID MYPO
1000 401
1000 402
1000 403
2000 401
2000 402
2000 403
Rule of MYPO column population:
1. It should always start with 401 (I can handle that with Oracle check constraint that mypo should be > 401)
2. For each Id, the first insert has to be 401, then it should add one from there within the Id
(something like, mypo is a sequence within the ID.)
I am trying to populate mypo inside the trigger in this way:
CREATE OR REPLACE TRIGGER trigTBL_LTEST
BEFORE INSERT OR UPDATE
ON TBL_LTEST
REFERENCING NEW AS NEW OLD AS OLD
[code]...
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Jan 11, 2012
I need to find out the exact DML statement which invoked a particular trigger inside a trigger body.
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May 5, 2011
I hit a bottleneck where my insert trigger won't execute the insert statement (with subquery). See illustration below:
Step# 1 - Table definition:
Table_A(a1 number, a2 varchar(10), a3 varchar(10))
Table_B(b1 number, b2 varchar(10), b3 varchar(10))
Table_C(c1 number, c2 varchar(10), c3 varchar(10))
Step# 2 manipulated the tables:
Inserted 3 records in Table_C.
Then I created an Insert Trigger to Table_A with an insert statement into Table_B and a subquery to Table_C. Please see below:
CREATE OR REPLACE TRIGGER TABLE_A_TR
after INSERT OR UPDATE OR DELETE ON TABLE_A
FOR EACH ROW
DECLARE
[code]......
Step# 3 compiled the created trigger and I've successfully compiled it.
Step# 4 Tested the trigger (TABLE_A_TR) using an insert statement to TABLE_A.
Insert into TABLE_A values (1,'testa','testb')
I've successfully insert the values into TABLE_A however I've observed that the trigger didn't execute the insert statement because TABLE_B has an empty rows. I tried to manually execute the insert statement just to see if there's an issue in my insert statement but I've successfully populated the values into TABLE_B. So I'm wondering why the trigger didn't execute the insert statement.
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Feb 17, 2010
Am trying to use the SYS_CONTEXT variables inside a trigger. After reading the documentation I found that the below query when used inside the trigger code will return the trigger owner.
Select Username from User_Users
Will any of the below variables return the trigger owner when used inside the trigger code
sys_context('USERENV','CURRENT_USER')
or
sys_context('USER','CURRENT_SCHEMA')
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Jan 3, 2013
Im using the following oracle database.
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for Linux: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
I have one problem in trigger execution. I have a small plsql block in trigger and, I want to execute it as a dynamic way. but it is giving the error. Please find the trigger code. Here my intension is that, the column name used in trigger should be dynamic. In future, if I want to switch the column name, I have to do without modification in trigger.
The error im getting is "ORA-01008: not all variables bound".
CREATE OR REPLACE TRIGGER ETM_AR_IU
AFTER UPDATE ON
EXTERNAL_MAPPING
REFERENCING NEW AS NEW OLD AS OLD
FOR EACH ROW
[code]...
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Jun 1, 2009
I have created a trigger for after insert which updates a table when there is a row inserted in that table. The update is on a column which stores the application description along with the sequence number. Now my requirement is that sequence number should be unique only with in an application but not with in the table.Say the row entry can be as follows:
App_Desc Request_ID
-----------------------
DEV 100 1
DEV 101 2
STG 100 3
STG 101 4
Here Request_ID is unique But the sequqnce thats created for DEV (100,101) should take an entry of 102 for the next entry for DEV and same applies for STG. So I have to use the same sequqnce for all the application.
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Apr 16, 2007
I have 3 tables whose structure is as follows:
1) Invoice
Invoice_no number(8),
Debtor varchar2(35),
Invoice Date Date,
Print Date Date,
Currency varchar2(3),
Total Amount Ex Number(11,2),
Total Amount Vat Number(11,2),
Total Amount Number(11,2),
Status Varchar2(15),
2) Invoice Line
Invoice_no number(8),
Invoice_Line_No number(8),
Description_1 varchar2(35),
Description_2 varchar2(35),
Line_Quantity Number(11,2),
Currency varchar2(3),
Line_Amount Number(11,2),
Vat Code number(1),
Status Varchar2(15),
3) vat code
vat code number(1),
Description varchar2(35),
Vat Percentage number(11,2)
Here invoice no and invoice line no are automatically generated fields?
How to generate invoice line no corresponding to invoice no and how to satisfy the following conditions:
1) total vat amount in invoice table should be automatically filled . total vat amount=(line_quantity* line_amount*vat percentage)/100
2) invoice cannot be printed, changed when status is 'closed'.
3) invoice lines cannot be added,changed or removed when status of invoice is closed
4) when any of invoice line no is changed,added, removed or invoice is changed the status of invoice should be changed to 'new'.
5) invoice date of a new invoice cannot be of the past
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Dec 27, 2010
The below trigger is running fine without any error ,but i wasn't able to perform the exact logic by the below trigger.IF, inserting multiple row then the SIVNUM field gets the same sequence number for each row , without incrementing the value for the next row.
Only the sequence value increases on the next set of row ow's inserted
Example (inserting 2 rows ) based on the below trigger:
item , refwo , sivnum
1234 , 55555 , 00001
6352 , 77777 , 00002
i want to achieve :
item , refwo , sivnum
1234 , 55555 , 00001
6352 , 77777 , 00001
CREATE OR REPLACE TRIGGER siv_mat_insert
BEFORE INSERT
ON MATUSETRANS
REFERENCING OLD AS old NEW AS new
for each row
[code]....
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Oct 15, 2010
CREATE OR REPLACE TRIGGER audit_emp AFTER
INSERT OR UPDATE OR DELETE ON Employee FOR EACH ROW
declare
my emp_audit%ROWTYPE;
begin
if inserting then my.action := 'I';
[code].......
It works alright but i need to enter a sequenced value to a column audit_id which is a column in the emp_audit table when a change takes place, but when i define the variable it gives be an error as bad bind variable so where can i define this column in this trigger so get a sequenced value every time i d or u occurs .
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Jun 10, 2013
I've to create a table every time a procedure is run, initially the table should be dropped and then created every time. From this procedure, the table is neither created nor dropped.
I cant track the error. Why is it so?
CREATE OR REPLACE PROCEDURE TESTPROC IS
S_SQL VARCHAR2(1000);
BEGIN
S_SQL := 'DROP TABLE MYTEST PURGE';
EXECUTE IMMEDIATE S_SQL;
[code]........
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Feb 25, 2013
I am using Oracle 10G version. I need a code base for new Sequence Trigger.
Requirement : As per the request, before INSERT trigger will generate the sequence ID from AA001 to AA999 value. But once the sequence is reached to AA999, the next sequence value will be generated normal (start from AB001 etc..).
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Mar 25, 2010
i have an understanding about Integrity constraint checking and the trigger execution sequence, which i decsribe below.
Integrity constraint are restiction on DML operation performed by the user. When a user deletes or updates or inserts a rows in a table then oracle performs certain checking to see that the data which is effecting the row abide certain rules. There are certain per-defined set or rules that can be applied on a table such as PRIMARY KEY, FORIEGN KEY, UNIQUE, CHECK, NOT NULL etc, user-defined rules can be applied on tables by using Triggers.
In both the cases the Integrity Constraint Checking is deferred until the complete execution of the statement. All rows are inserted first, then all rows are checked for constraint violations.
So when i see the trigger execution model the following steps are performed by oracle, Oracle uses the following execution model to maintain the proper firing sequence of multiple triggers and constraint checking..This is what the Oracle Documentation Library says [extract from Oracle Database Concepts 10g Release 1 (10.1)].
1. Run all BEFORE statement triggers that apply to the statement.
2. Loop for each row affected by the SQL statement.
a.Run all BEFORE row triggers that apply to the statement.
b.Lock and change row, and perform integrity constraint checking. (The lock is not released until the transaction is committed.)
c.Run all AFTER row triggers that apply to the statement.
3.Complete deferred integrity constraint checking.
4.Run all AFTER statement triggers that apply to the statement.
As for step 3 here the checking of the constraints for the statement is performed which where defered till the complete execution of the statement, then what is done in step 2b? what constraints are checked there?
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Sep 11, 2010
Create a sequence E_SQ which start with the (current max empno + 1) and increment by 1.
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Jul 8, 2008
CREATE sequence customer_id start with (select max(customer_id) from customer) increment by 1
i am trying to do that, can it be done or should i just find the max id myself and replace that select with a no?
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Jul 16, 2011
Every time sequence should be start from 1.can i know how to create sequence? for ex:-once i have uploaded 100 records this time sequence is generating from 1 to 100.next time i will upload again 100 records this time sequence is generating(Starting) from 200 to 300.but it should be generate from 1. how? i have created like this
CREATE SEQUENCE XX_SEQUENCE
MINVALUE 1
MAXVALUE 99999999999
START WITH 1
INCREMENT BY 1
CYCLE
NOCACHE;
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Jan 13, 2013
I know how to create sequence in the database.But I want to create this sequence from the form by giving the name of the sequence from a filed in the form.
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Oct 23, 2012
create table t (a varchar2(20),b number(8));
insert into t values ('aa',4);
insert into t values ('ba',6);
insert into t values ('ca',7);
insert into t values ('da',8);
in place of 8 there can be any number between 1 to 100
if in place of 8 number is <10
insert into t values('ea',10); ---- this i need dynamic insert
if in place of the number between 11-19 then
insert into t values('ea',20); ---- this i need dynamic insert
and so on
i tried as below
select case when max(b) <10 then 10 when max(b) between 10 and 20 then 20 end from t;
but i cant write case for again and again upto nth
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Dec 14, 2012
Is it possible to create sequence using EXECUTE IMMEDIATE statement. The sequence name will be the bind variable.
DECLARE
TEMP VARCHAR2(20);
BEGIN
TEMP := :P2_INFO;
EXECUTE IMMEDIATE 'CREATE SEQUENCE' TEMP;
END;
This creates a sequence named TEMP, but i want the name :P2_INFO entered by user.
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Mar 14, 2005
I'm trying to create a sequence for a primary key to simply auto-increment by the default of 1. I have a sql script written to generate mt tables, and I'm not sure how to modify the script to include the sequence. I also just want the sequence for a specific column, ie, PK, not the PK in all tables.
Here's a snippet from my script:
create table image
(
image_id int NOT NULL,
source_id int NOT NULL,
CONSTRAINT image_id_pk PRIMARY KEY (image_id),
CONSTRAINT fk_source_id FOREIGN KEY (source_id) REFERENCES source(source_id)
);
Would I add the create sequence statement right after the create table, and if so, how do I apply the sequence to only 1 table and a single column?
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Jan 28, 2013
how to create the trigger that count the last 7 day about from sale table if the last 7 day amount is greater then 10000 then update the commission 2% other wise do nothing
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May 9, 2013
I cant create a trigger for the following problem "write a trigger to change the "hiredate"(in emp tale) in the default format even if the user enters it in some other format, say year/mon/date..."
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Feb 11, 2010
is it possible to change the forms trigger sequence.
for example, i am writing 'when_validate_item' in item level,block level,form level.First item level will fires and then block level and at last form level. But i want to fire the trigger first at form level then block level and at last item level.
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Aug 13, 2010
Create a trigger that stamps the date_created and the date_updated column with current date on new and updated records?
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Apr 16, 2010
How do I create a trigger for the age. I want an alert to appear when the date of birth field is less than the age of 17. The formula is age=sysdate-dateofbirth
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May 11, 2010
I'm trying to create a trigger and procedure to go along with my DDL. Everything is created just fine, but when I try to execute an update on the table monitored by the trigger I get the following error:
update housing set group_num = 1 where room_num = 10
ERROR at line 1:
ORA-00937: not a single-group group function
ORA-06512: at "YANKEEFAN146.VIOLATION_CHK", line 6
ORA-04088: error during execution of trigger 'YANKEEFAN146.VIOLATION_CHK'
/* DDL */
create table violation_type
(violation_num number(1) primary key,
violation_def varchar2(100) not null)
organization index
tablespace mi257_data;
[code]....
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