Database trigger code size

Hi all,
We have Oracle 7.3.4.0.1, I am creating a "before insert" trigger , the code size is large, I am getting error when creating the trigger, when commenting some text, the trigger gets compiled. Is there a limit on the trigger size , and how work around if there is such a limit.
Regards,
Ayman

Move the code into a procedure and call it from the trigger.

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* WELCOME TO EVENT-BASED-REPORTING API *
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How to Create a trigger code for turning on light bulbs in flash and animate images professional cs6

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How can I obtain an specific message raised by a database trigger

Dear friends,
if I have a database trigger and I want to show an error message which was raised from a database trigger to a form, I can do it by raising an application error inside database trigger, and by showing DBMS_ERROR_TEXT inside ON-ERROR trigger. This is ok for me.
But how can I do if I want to show a specific message? Let's say I have a BEFORE INSERT table trigger, and I want to verify whether data was correctly informed (for example, "user name must be entered"). If I raise an application error, I see a very big error message which includes both my personal error message and database message.
Surely I can do a SUBSTR in this message, but can't I do something easier? Let's say I put all error messages in a variable:
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raise_application_error will be used for raise errors on form.here i'm providing u the example
CREATE TRIGGER at AFTER UPDATE OR DELETE OR INSERT ON emp
for each row
declare
v_1 number
begin
select empno into v_1 from emp where empno=7369 ;
exception when no_data_found then
RAISE_APPLICATION_ERROR(-20001,'No data found'||sqlerrm);
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now when you insert data on emp table through form. if value does not found of selected empno then No data found will be shown on form
Edited by: SKYNIAZI on Mar 20, 2009 12:19 PM
Edited by: SKYNIAZI on Mar 20, 2009 12:56 PM

Primary Key - Generated by database TRIGGER

Hi,
I have a form with a block that is attached to a table. So far, nothing fancy :-)
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Another solution is to use both a database trigger and a PRE-INSERT trigger in Forms.
The database trigger should be something like
CREATE TRIGGER INS_TABLENAME BEFORE INSERT ON TABLENAME
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BEGIN
SELECT TABLENAME_SEQ.nextval INTO :new.ID FROM DUAL;
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SELECT TABLENAME_SEQ.nextval INTO :blockname.ID FROM DUAL;
This way one solves the problem of DML RETURNING VALUE not working in Forms with Oracle version > 8 (does it work on version 8 as it is said to be? - i have not tested it anyway) and the use of other applications (SQL*Plus, JAVA, etc) without writing any code.

SQLDeveloper 3.2 - I can't see trigger code

Hi people
In some cases, I can't see trigger code.
I didn't find a pattern to determine what kind of trigger has an invisible code.
For example, in my instance I can't see code of SCOTT.AFTER_INS_UPD_ON_EMP trigger, but I see it in SQL tab for SCOTT.EMP table.
I had to copy from there and recreate trigger. Now is visible
I work with EBS R12, and a list of some triggers with that problem follows:
AR_RECEIVABLE_APPLICATIONS_BRI
AS_JTF_RS_GROUP_MEM_BI
FND_FLEX_VAL_RULE_LINES_T1
FND_FLEX_VALIDATION_RULES_T1
FND_SECURITY_GROUPS_IL
HR_LOCATIONS_ALL_OVN
PAY_TEMPLATE_EXCLUSION_RUL_WHO
PER_ALL_PEOPLE_F_OVN
PER_PERSON_ANALYSES_OVN
PER_PSV_OVN
WIP_DISCRETE_JOBS_BRD
My info:
SQL Developer 3.2.09.30
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
Thanks
Oscar

Hi Oscar,
Possibly your issue may be the same as this very recently logged and fixed bug:
Bug 14530780 - TRIGGERCODE IN OTHER SCHEMA NOT VISIBLE IN BROWSER, HOWEVER QUERIABLE IN SQLWORK
But the bug narrative never claims it is a regression, so presumably it also would have been a problem in prior releases.
Regards,
Gary

Column name as a variable in a database trigger

I am trying to code a pre-insert database trigger to format all varchar2 columns entered into the triggering table. I am using a cursor to get all the relevant column names from all_tab_columns, but do not know how to refer to these values in combination with the ":new" construct within my code. The example below is a very simplified version of what I am trying to do ( it obviously will not work as it is):
declare
cursor column_cur is
select column_name cn
from all_tab_columns
where table_name = 'TEMP_ASSESSMENT'
and data_type = 'VARCHAR2';
v_columnname varchar2(30);
begin
for column_rec in column_cur loop
v_columnname := column_rec.cn;
:new.v_columnname := upper(:new.v_columnname); declare
cursor column_cur is
select column_name cn
from all_tab_columns
where table_name = 'TABLE_X'
and data_type = 'VARCHAR2';
v_columnname varchar2(30);
begin
for column_rec in column_cur loop
v_columnname := column_rec.cn;
:new.v_columnname := upper(:new.v_columnname);
end loop;
end;

Seems to me like the problem in this thread:
http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:59412348055
C.

Issue in Database trigger for HZ_CUSTOMER_PROFILES PL/SQL: ORA-00936: miss

Hi
We are trying to create database trigger on update of table HZ_CUSTOMER_PROFILES when CREDIT_HOLD='Y'
If this update is done from certain operating unit we are inserting into another custom table when compiling trigger we are getting error as given below
LINE/COL ERROR
5/2 PL/SQL: SQL Statement ignored
17/2 PL/SQL: ORA-00936: missing expression
SQL> l 5
5*
SQL> l 17
17* COUNTRY,
Copying code used for creating trigger
CREATE OR REPLACE TRIGGER "APPS"."SDS_CREDIT_HOLD_ROW"
BEFORE UPDATE ON HZ_CUSTOMER_PROFILES
FOR EACH ROW
WHEN ( new.CREDIT_HOLD='Y')
BEGIN
IF FND_PROFILE.VALUE('ORG_ID')=3217 THEN
INSERT INTO SDS.SDS_CREDIT_HOLD
(CUSTOMER_NAME,
CUSTOMER_NUMBER,
ADDRESS,
CITY,
COUNTRY,
HOLD_BY,
MAIL_LIST1,
RESP_VALUE,
ORG_ID,
MAIL_LIST2)
VALUES
(select rc.customer_name,
rc.customer_number,
ra.address1,
ra.city,
ra.country,
fu.user_name,
fu.email_address,
TO_NUMBER(FND_GLOBAL.RESP_ID),
TO_NUMBER(fnd_profile.value('ORG_ID')),
SDS_EMAIL_ADD_FNC('KAMALAKAR.GUDAPAREDDI,BRIAN.MILLER')
from HZ_CUSTOMER_PROFILES hcp, ra_site_uses rsa,
ra_addresses ra, ra_customers rc, fnd_user fu,
(select distinct site_use_id from HZ_CUST_SITE_USES where site_use_code='BILL_TO'
and status='A') site_acct
where hcp.status='A'
and cust_account_id in (select distinct cust_account_id from HZ_CUSTOMER_PROFILES
where credit_hold='Y'
and status='A')
and hcp.site_use_id=rsa.site_use_id (+)
and rsa.address_id=ra.address_id (+)
and rsa.site_use_id= site_acct.site_use_id (+)
and hcp.cust_Account_id=rc.customer_id
and hcp.credit_hold='Y'
and hcp.last_updated_by=fu.user_id
and hcp.CUST_ACCOUNT_PROFILE_ID=:new.CUST_ACCOUNT_PROFILE_ID
and hcp.ROWID=:new.ROWID);
END IF;
-- commit;
END SDS_CREDIT_HOLD_ROW;
tried to search for fix in forums checked all columns in select clause and insert they appear to be fine attaching table structure also for reference
CREATE TABLE SDS_CREDIT_HOLD
(CUSTOMER_NAME VARCHAR(50),
CUSTOMER_NUMBER VARCHAR2(30),
ADDRESS VARCHAR2(240),
CITY VARCHAR2(60),
COUNTRY VARCHAR2(60),
HOLD_BY VARCHAR2(100),
MAIL_LIST1 VARCHAR2(240),
RESP_VALUE NUMBER,
ORG_ID NUMBER,
MAIL_LIST2 VARCHAR2(240))
if any hint for fixing this issue it will be highly appreciated
Thanks
Kamalakar.G

Problem is here:
WHEN ( new.CREDIT_HOLD='Y')
Should be using a colon in front of any new or old columns in your PL/SQL and SQL, thus try this:
WHEN ( :new.CREDIT_HOLD='Y')
FYI: when using triggers (unless you specify otherwise in the trigger definition itself):
old values are referenced via :old.column and new values via :new.column

STORED PROCEDURE & DATABASE TRIGGER

제품 : FORMS
작성날짜 : 1995-11-07
* STORED PROCEDURE
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것이 좋다.
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장소가 틀린 것이다.
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UPDATE, INSERT, DELETE 등의 행위에 의해 Fire된다.
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여 Error를 표시한다.
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Range를 가진다.
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Trigger를 직접 Create, Edit, Compile, Browse 할 수 있다.
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Drop Privilege
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- Database Trigger Editor에서 작성, compile한다.
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- 원하는 Table을 선택하고 Expand한다.
- 원하는 Trigger에서 Double-Click하면 Editor가 나타난다.
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not possible via forms
you can debug it on SQL Developer by using manual INSERT Updates commands

PROBLEM WITH A DATABASE TRIGGER

WHEN A USER ENTERS A STATUS CODE BETWEEN 70 AND 86 ON THE PAB_SUSP TABLE, THE COMPLETION DATE FIELD ON THE PAB_SUSP TABLE GETS UPDATED WITH THE SYSTEM DATE WHICH IS FINE. THE
COMPLETION DATE FIELD ON THE EREC_SUSP TABLE FOR THE SAME CORRESPONDING RECORD SHOULD ALSO GET UPDATED WITH THE SAME SYSTEM DATE. SOMETIMES THE COMPLETION DATE FIELD ON THE EREC_SUSP TABLE GETS UPDATED CORRECTLY WITH THE SAME SYSTEM DATE. OTHER TIMES IT DOES NOT. WHAT IS THE PROBLEM?
I AM ENCLOSING THE CODE IN THE DATABASE TRIGGER. NOTE ALSO THAT THE SUSP_DT FIELD ALSO GETS UPDATED.
DECLARE
cursor get_user is SELECT user_id, FROM oracle_user
WHERE username = USER;
user_number NUMBER(10,0);
num_recs NUMBER(10,0);
num_rec_recs2 NUMBER(10,0);
seq number(10,0);
ssn VARCHAR2(9);
nm VARCHAR2(27);
dob DATE;
pg VARCHAR2(2);
rank VARCHAR2(2);
act_cd VARCHAR2(3);
clk NUMBER(10,0);
recv_dt DATE;
susp_dt DATE;
cmpl_dt DATE;
ocll VARCHAR2(7);
tagd VARCHAR2(7);
chg_ind VARCHAR@(1);
BEGIN
open get_user;
fetch get_user into user_number;
close get_user;
IF (:new.lcl_pab_susp_stat_cd <> :old.lcl_pab_susp_stat_cd AND
:new.lcl_pab_susp_stat_cd >= '70' AND
:new.lcl_pab_susp_stat_cd <= '86') THEN
cmpl_dt := sysdate;
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chg_ind := 'Y';
susp_dt := :new.lcl_susp_dt;
else
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ssn := :new.ind_ssn;
nm := :new.ind_nm;
dob := :new.ind_dob;
pg := :new.ind_pg_cd;
rank := :new.mil_rank_cd;
act_cd := :new.lcl_act_cd;
clk := :new.lcl_act_clk_no;
recv_dt := :new.lcl_recv_dt;
ocll := :new.ocll_id;
tagd := :new.tagd_id;
SELECT COUNT(*) INTO num_recs2
FROM EREC_SUSP
WHERE SUSP_SEQ = :old.susp_seq;
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UPDATE erec_susp
SET pab_susp_seq = seq,
ind_ssn = ssn,
ind_nm = nm,
ind_dob = dob,
ind_pg_cd = pg,
mil_rank_cd = rank,
erec_ofc_act_cd = act_cd,
erec_of_clk_no = clk,
lcl_cmpl_dt = cmpl_dt,
lcl_recv_dt = recv_dt,
lcl_susp_dt = susp_dt,
ocll_id = ocll,
tagd_id = tagd,
lcl_chg_ind = chg_ind,
rec_tx_dt = SYSDATE,
rec_tx_user_no = user_number
where susp_seq = new.susp_seq;
END IF;
END;

S. Wolicki, Oracle wrote:
No, you cannot!!! NLS_CHARACTERSET is not a session parameter in Oracle.
Assuming IBM MessageBroker connects through OCI, setting the NLS_LANG variable in its environment to .EE8ISO8859P2 could help. You should also review MessageBroker's documentation, especially any configuration parameters for Oracle, to see if the character set is not configurable there. There is nothing to be done on the Oracle side.
By the way, can you name any particular characters that do not show up correctly and tell me what you see in place of them?
-- SergiuszHi Sergiusz,
I replace back and forth the accented characters, but for large queries, it takes a very long time:
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(c,'ő','&#x0151'),
'Ő','&#x0150'),'ű','&#x0171'),'Ű','&#x0170'),'é','&#x00E9'),'É','&#x00C9'),'á','á'),'Á','&#x00C1'),
'ú','&#x00FA'),'Ú','&#x00DA'),'ö','&#x00F6'),'Ö','&#x00D6'),'ü','&#x00FC'),
'Ü','&#x00DC'),'ó','&#x00F3'),'Ó','&#x00C3'),'í','&#x00ED'),'Í','&#x00CD');
(The semicolons let down for display.)I thought that I would change the nls_lang on the client side in a Java node but it is not sure that will work.
Thank you for your answer.
Sada
Edited by: 1002028 on 2013.04.24. 13:48
Edited by: 1002028 on 2013.04.24. 13:49

After Logon on Database Trigger Not Working From Client Terminal

Hi Every One
I Have a Problem, I'am Using Oracle 10g R2, I'd Written After Logon on Database Trigger, I'd Written The Trigger Under The Under The User With DBA Privileges, and it is work Fine, but it is work only when i Logon On The Database from The Server Terminal with any user, and If Logon From any Other Terminal It Is Not Work,
Can any One Know The Reason, Please Help me
Yasser Mokhtar

Please post the trigger code.

Need to call an application with in Database trigger

Dear all
I have created a database trigger that reads the new values inserted on my table and append the record on a text file on the operationg system.
I have a software that convert this text file to binary file.
I can call this software using a command prompt
I need to issue this command prompt from within the database trigger
I need to Know is there a package or plsql code that can call an application.
We can do this easly on the form builder using the comman HOST
But I need to issue this command from within SQL PLUS
is there a way
please help
thanks in advance

another simple way is to write a C program with an exec function that calls the external program.
The C function can be called by the Oracle server as an extproc (like a PL/SQL funtion call).
Check for the extproc Oracle documentation:
http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b15658/ldr_demo.htm
Sample programs you will find in your $ORACLE_HOME/plsql/demo directory.
Kind regards
Karsten

How to send error message to forms from Database Trigger

Hi, Please help me to send error message to forms from Database Trigger?
RgDs,
Madesh.R.M

You are correct, the On-Error trigger is a Forms trigger. However, if your Form is going to display the error generated by the database stored procedure or trigger - you might not see the database error in your Form unless you check the DBMS_ERROR_CODE in the On-Error trigger and manually display the Error Code and associated Text. I've see this happen with a co-worker. The Form she was working on was based on a table with an Before-Insert trigger. Because she was not explicitely handling the error from the Before-Insert trigger in the Forms On-Error trigger, her Form appeared to halt for no reason at all. Once she added code to the On-Error trigger in the Form to handle the DBMS_ERROR_CODE, she discovered the trigger was producing an error and was able to show the error to the user in the On-Error trigger.
I understand the desire to keep as much as possbile in the database, but with that comes some extra coding in your Forms to handle this. This extra coding could easily be placed in a Forms Library, attached to a Form and called in the On-Error trigger. Your code could look like this:
DECLARE
   /*This example assumes you have an Alert defined
      in your Form called: 'ERROR' */
   al_id    ALERT;
   al_text VARCHAR2(200); /* Max text of a Forms Alert message*/
   al_btn   NUMBER;
BEGIN
IF DBMS_ERROR_CODE != 0 THEN
   /* Error code is ORA-00000 Normal Successful completion
       So only handle non-zero errors */
   al_text := DBMS_ERROR_CODE||':'||DBMS_ERROR_TEXT;
   al_id := Find_Alert('ERROR');
   set_alert_property(al_id, alert_message_text, al_text);
   al_btn := show_alert(al_id);
END IF;
END;Your original question was "How to send error message to forms from Database Trigger?" The answer is you don't because Forms already gets the database error code and database message through the Forms DBMS_ERROR_CODE and DBMS_ERROR_TEXT functions. Look these up in the Forms help and it should clear things up for you.
Craig...
Edited by: CraigB on Jun 14, 2010 4:49 PM
Edited by: CraigB on Jun 14, 2010 4:49 PM
Edited by: CraigB on Jun 14, 2010 4:50 PM
Edited by: CraigB on Jun 14, 2010 4:51 PM
Edited by: CraigB on Jun 14, 2010 4:51 PM

Swapping and Database Buffer Cache size

I've read that setting the database buffer cache size too large can cause swapping and paging. Why is this the case? More memory for sql data would seem to not be a problem. Unless it is the proportion of the database buffer to the rest of the SGA that matters.

Well I am always a defender of the large DB buffer cache. Setting the bigger db buffer cache alone will not in any way hurt Oracle performance.
However ... as the buffer cache grows, the time to determine 'which blocks
need to be cleaned' increases. Therefore, at a certain point the benefit of a
larger cache is offset by the time to keep it sync'd to the disk. After that point,
increasing buffer cache size can actually hurt performance. That's the reason why Oracle has checkpoint.
A checkpoint performs the following three operations:
1. Every dirty block in the buffer cache is written to the data files. That is, it synchronizes the datablocks in the buffer cache with the datafiles on disk.
It's the DBWR that writes all modified databaseblocks back to the datafiles.
2. The latest SCN is written (updated) into the datafile header.
3. The latest SCN is also written to the controlfiles.
The following events trigger a checkpoint.
1. Redo log switch
2. LOG_CHECKPOINT_TIMEOUT has expired
3. LOG_CHECKPOINT_INTERVAL has been reached
4. DBA requires so (alter system checkpoint)

Database trigger code size

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