SQL & PL/SQL :: Triggers / Procedures / Functions Used As Prompts To Update And Modify Database
Apr 16, 2013
I have my database structured to where i have my tables, constraints, and Rows populated in each table which is 4 tables in particular. for one I want to be able to List all four tables with its content and constraints all at once. What i want to with the PL/SQL is to be able to program a prompt to where the user can just enter the individual order information and the data goes to what ever appropriate column or Table it needs to go to. Now should I be mostly be using procedures, functions or triggers to make this possible.
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Jul 2, 2010
I'm trying to determine which procedures (in or out of packages), triggers or functions insert to or update particular tables in Oracle 10.2.0.4.I've got a far as looking at user_dependencies, and have written the following sql based on that:
CODEselect o.name, decode(o.type#, 0, 'NEXT OBJECT', 1, 'INDEX', 2, 'TABLE', 3, 'CLUSTER',
4, 'VIEW', 5, 'SYNONYM', 6, 'SEQUENCE', 7, 'PROCEDURE',
8, 'FUNCTION', 9, 'PACKAGE', 10, 'NON-EXISTENT',
11, 'PACKAGE BODY', 12, 'TRIGGER',
13, 'TYPE', 14, 'TYPE BODY', 22, 'LIBRARY',
[code]....
This isn't how I'd write the code for production, it's just research code at the moment.
This tells me most of what I need to know, but it doesn't allow me to remove those procedures etc that just select from the table I'm interested in. The vast majority of the dependencies are just selects. In a previous role I used SQL Server 2000 and I could get this information from sysdepends, filtering on the resultobj column to remove the select only dependencies - so I'll be a little surprised if Oracle doesn't have this facility.
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Oct 6, 2010
Is it possible to call procedures and functions in Database Triggers?
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Sep 21, 2010
i want to do a schema export from Database A. There are hundreds of users under this schema.I have to import this schema into other database say B. My question's are:
1) Do i need to pre-create only schema user or all the users under it.
2) Will the schema export all the roles,procedures,packages,synonyms,funsctions and triggers?
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Oct 14, 2011
How to call stored procedures or functions from a database trigger?
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Oct 31, 2012
I want to to use Java stored procedures and triggers within the Oracle 11g XE ?
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Dec 15, 2011
I need to print out all the triggers/procedures from an Oracle 9iForms. When I open an Oracle 9iform in the Oracle form builder, I click on FILE/CONVERT but cannot see the triggers/procedures.
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May 4, 2010
I think there is no limit for number of procedures and functions can be written in a package, but little much confusion.
What is the maximum number of Procedures and Functions can be written in a package? is such type of limit is there or not ?
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Apr 6, 2011
how many functions and Procedures are exist in Package. Is it possible to identify through query.
Eg: I have one Package:- ABC. This ABC package having 2 functions and 3 procedures. I want, total no.of functions and total no.of procedures through query.
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Nov 12, 2012
Procedures, triggers and other object with character changed.
Every character was replaced by ã? the content of procedures and other objects after importing a schema for production approval.
Example:
EXCEPTION
WHEN OTHERS THEN
p_msgerro := p_msgerro ||
' Erro na selec?o da Unidade Administrativa. ' ||
The character (?) deveria ser (ã)
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Feb 10, 2012
Why do stored procedures and functions improve performance?
A. They reduce network round trips.
B. They reduce the number of calls to the database and decrease network traffic by bundling commands.
C. They reduce the number of calls to the database and decrease network traffic by using the local PL/SQL engine.
D. They allow the application to perform high-speed processing locally.
E. They postpone PL/SQL parsing until run time.
I think the answer should be A and B but i came across answers as B and E Can u explain me what is the difference between option A and B and does it postpone parsing till run time?
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Oct 18, 2011
I am using 'Novell Sentinel Log Manager' to collect/fetch logs from my Oracle 11g R2.To enable auditing, first I did following:
login as sys, then
SQL> create user testuser identified by "testuser";
SQL> grant connect to testuser
SQL> grant dba to sharf
SQL> grant CREATE SESSION to testuser;
SQL> grant select on v_$session to testuser;
SQL> grant select on v_$version to testuser;
SQL> grant select on SYS.DBA_AUDIT_TRAIL to testuser;
SQL> grant select_catalog_role to testuser;
SQL> grant select any dictionary to testuser;
Now logon/logof of user 'testuser' are logged , as well as if testuser drops a table or creates a table, its also logged . but when 'testuser' insert a new record, this information does not logged ;( while I need to know exactly what was added SQL> insert into emp (empid, name, salary) values (10002, 'Ron', 6000)
likewise if 'testuser' modify/update an existing record it also does not logged.
SQL> update emp set salary=700 where empid=10001;
which sql statements I have to execute to start auditing 'insert' and 'update', so that I know what was added/inserted and exactly what was updated/ changed/modify by user 'testuser'.
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Aug 10, 2011
I am looking at an existing utility which inserts data into configuration tables. The utility is fairly basic, you simply add the UPDATE / INSERT / DELETE sql commands to a .sql file, set up a few params in a .sh script in order to tell it which Database / Schema to run against and away it goes, doing some logging, etc on the way.
Most of the time this is fine. However there is one table that causes big performance problems. This large table holds rating data and it has two large triggers on it. It also gets updated quite a bit with new rating tariffs.
The triggers check that many fields are not null or are certain values... but they also check that dates of the rates do no overlap, etc. So, in short, they do a lot of work. I can see that these are the main performance obstacle. I have no ability to alter or disable these triggers, this is a core table supplied by the vendor and as such I cannot manipulate it.
So looking at the things I can change, what am I left with?... only the way I load the data..
I can consider using SQLloader in order to handle INSERTS or using the APPEND hint in order to perform a direct path insert rather than having individual INSERT statements.
I can try to ensure that my data is sorted along the same lines as the index on the table in order to ensure that I am updating the index nodes in as streamlined way as possible. I can improve performance still more, or even circumnavigate the drag of the triggers?
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Jul 26, 2012
For triggers, is it possible to do separate actions on insert , update and delete. For example, if insert is the case, do select; if update is the case, do select from another table and so on?
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Feb 16, 2013
i have employee table i want to update salary with all employee 5 percent
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Jan 23, 2010
when I've tried to use substitute variables, they like to come up in 2's for the prompt. When I have the Set Verify option on, its even more disgusting.
insert into orders
values(&order#, &customer#, &orderdate, &shipdate,
&shipstreet, &shipcity, &shipstate, &shipzip);
Enter value for order: Enter value for customer:
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Apr 5, 2012
I am trying to create a script that prompts the user to enter a course id like ASP2 and will produce a list showing the name for the course and the name, phone and completion date for all employees that completed that course.
create table training
( trn_crsid char(4),
trn_name char(15),
trn_hours number(2),
primary key(trn_crsid)
[code]....
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May 27, 2011
We have three unix servers with four databases (10gR2) containing "HP Operation Management Unix" (OMU) server messages for monitoring purpose, and we now want to transfer these data to one new database on a new server for reporting purpose.
The message table in each OMU database keeps the message row until it is "Acknowledged" or for maximum fourteen days, then it is moved to an historic table where it stays for another three days. Keeping data for only seventeen days are a performance issue.The new "Reporting database" is intended to hold messages data for the last 90 days.
I wonder which method to use to move/replicate data against the databases? Materialized view using database link, with view on top of the MVs. How to keep rows longer than the master (source) table, avoiding deletion when master row is deleted
Oracle Streams, with local capture and remote apply. How will this influence on the master database performance. There are about 10000 new messages in each OMU database every day. Is it possible having four streams connections against the reporting database ?
Or should I simply use database triggers which fires after insert and update and applies changes to the reporting database using database links ?
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Sep 14, 2012
I am soon engaging in a project where we will deploy three triggers to each table in a customers live database. One each for Inserts,Updates and deletes.
These triggers write or update a row in a separate table on a different schema.
We have experienced locking issues on these tables previously with SQL Server. Are there settings we can look at to improve performance?
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Oct 31, 2013
I would like to send a raw command to the Oracle server. from .NET (System.Data.OracleClien), but I got invalid statement (ORA-00900) exception
.Excecute string:string SQL = "EXECUTE SP_THREADFILE_INSERT('" + Guid.NewGuid() + "','" + filename + "',utl_raw.cast_to_raw('" + content + "'))";
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Apr 10, 2011
it is a good practise to assign different profile for oracle database users according to their job functions.what could be the resons for that?
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Nov 16, 2011
There is a customer_account table. It is partitioned by Range. In one of the partition, the range value is given wrongly, and irrelevant data sits in that partition.
How can i modify the range partition value and re-arrange the data ?
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Apr 12, 2013
is there any way we can find out which row is updated in oracle table if we don't have any date/time column in table.
let say.
Create table T1 (ename varchar2(200), age number);
insert into T1 values ('A',20);
insert into T1 values ('B',30);
insert into T1 values ('C',40);
insert into T1 values ('D',50);
commit;
update t1 set age=50 where ename='A'
commit;
looking some oracle query which identify which record is update in table in given time period.
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Sep 12, 2011
Moidfy trigger into procedure
I am quite a beginner One of trigerred jobs is freezing and I have to reproduce the issue. Thing is about extracion and export data from one table to another (from Rating to Xtexport_table_1).
I want to build query which will fill xtexport_table_1 with values, partialy declared and partialy fetched from Rating tabble.
I figured out that that I have to get rid of all condition statements(IF, WHEN etc ), and just declare variables for some columns and then use a SELECT statement to fetch data.
create or replace
TRIGGER TRG_RATING_EXP_DLS
BEFORE DELETE OR UPDATE OR INSERT
OF RATING_ID,EXTERNAL_ID_1,DN_RATING_ATTRIBUTE_ID,ALI GNMENT_ID,TEAM_ID,CUSTOMER_ID,AFFILIATION_ID,PRODU CT_ID,PERIOD_ID,VALUE_MIN,VALUE_MAX,TENANT_ID,USER _ACCOUNT_ID
ON RATING
REFERENCING OLD AS OLD NEW AS NEW
FOR EACH ROW
DECLARE
[Code]...
-------------------
Don't play what's there, play what's not there
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Jun 8, 2012
i have one table emp in this table already data exist now i have to modity this existing column data so how can i do this
example:existing emp table
emp_no ename
1 dk patel
2 sk patel
3 jk patel
now i want to change this ename column data i want output like this below table
emp_no ename
1 dk
2 sk
3 jk
how can i do this.
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Mar 16, 2011
We have table with number as datatype which starts with number 10 like 1056723. Here we need to update the first 2 digits which is 10 to 04.Digit 10 will be always constant across all the data.
select * from temp;
id
----------
1056723
After update, it should be
id
----------
0456723
What function in pl/sql should be used for achieve the desired results.
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Dec 24, 2010
I have a table containing BLOB column which stores scanned images. Due to an application error, few extra data was padded with BLOB data and now we want to remove it.
The table count will be near to 10 million rows.
We need to remove data from 161byte to 167byte of the blob data. I tried to do with DBMS_LOB.ERASE.But it will create blank spaces for the removed data. Here we need to reduce the size of BLOB data by 6 bytes by removing data from 161bytes to 167 bytes.
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Jul 15, 2013
I need to know how to modify the spfile - I know how to create it from scratch (from pfile to spfile), but need to modify an existing spfile.
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Aug 20, 2012
We are running an Oracle 10g server.
We are adding support for barcode scanner in one part of our information system. So that the mechanics can add parts to an work orders bill of material themselves using barcode scanner to scan the part and enter the qty.
I can via SQL add a part to the bill of materials and reserve the part. But then the part needs to be issued to make it disappear from the stock.
I have found a table that contains information about the part and the bill of material, it has a column named "QTY ISSUED" I have tried via an update command to set the qty issued = 1 for the reserved part. The table is updated, and via SQL everything looks fine, but the part doesn't disappear from the stock. So my guess is that there is a trigger or function somewhere that I need for this.
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Feb 6, 2011
can i modify oracle data dictionary
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