1. If database triggers are evil, is it also evil to have side effects when setting a property in java or C#? stackoverflow.comLet's assume that [database triggers are evil].1 Does this mean that side effects when setting a property on a java or C# object are also evil? It seems to me that all ... |
2. send email "from database" stackoverflow.comI'm thinking of possible ways, how trigger mail sending based on values - including time values - stored in database. One way, that I can think of is to use EJB ... |
3. How to trigger alerts based upon timestamps in database? stackoverflow.comScenario: There's a task-manager application that allows its users to create tasks and associate a timestamp with it. Goal: The application is supposed to send email alerts to the users at the time when ... |
4. Database polling using Triggers in Java Application stackoverflow.comCould someone please guide me into the right direction for this: I wan to have an asynchronous function in my Java program that when called, it continuously monitors changes of some table ... |
5. Storing Simple Trigger information in DataBase forums.terracotta.orgHi I have recently started with Quartz and being frank, I am just loving it. But I am faced with a small problem. I am using JDBC JobStore and am able to save data regarding Cron Triggers in my HSQLDB. But data pertaining to simple triggers is not getting into the DataBase. Here is my Quartz.properties file : org.quartz.jobStore.class = org.quartz.impl.jdbcjobstore.JobStoreTX ... |
6. No data stored in Quartz DB after sucessful exceution of Simple Trigger forums.terracotta.org |
7. UniqueConstraintErrors firing multiple triggers on a fresh database concurrently forums.terracotta.orgIf a database is new, upon startup the Scheduler does not recover failed instances. As a result, it does not insert the TRIGGER_ACCESS lock into the tables. If you then proceed to fire multiple triggers concurrently, each thread will desire this lock, not find it, and try to insert it concurrently. This can lead to : ORA-00001: unique constraint (LB_51_DEV.PK_QRTZ_LOCKS) violated ... |
8. Trigger History(the last trigger to be executed on a job) : to be put in a Database forums.terracotta.orgSorry for earlier post Suppose a scenario : Trigger a : Scheduled for 12:00:00 to 12:10:00 Trigger b : Scheduled for 12:05:00 to 12:15:00 Both run on the same job i.e. suppose both prints "Hello World!" Presently i am able to store both of these triggers data into database, but what i want to achieve is the last triggers data to ... |
9. Quartz won't log jobs and triggers to the database forums.terracotta.orgHello everyone, I'm using Geronimo-v2.2 with Quartz-v.1.8.5. My triggers fire succesfully, but they don't get logged to the database for some reason, but when I query the QRTZ_SCHEDULER_STATE table, my scheduler's LAST_CHECKIN_TIME is very recent, so that gets logged. Is there a function I need to call or a setting I'm missing? Here is what I've in quartz.properties: org.quartz.scheduler.instanceName = MFTScheduler ... |
10. Failure obtaining db row lock while marking a trigger state complete forums.terracotta.orgHi, Im using quartz 1.8.5. DB settings : MySQLDB --InnoDB engine default row locking enabled lock timeout defaults to 50sec org.quartz.impl.jdbcjobstore.JobStoreTX I have also used all the indexes on qrtz_triggers and qrtz_fired_triggers table.An additional trigger JOB_NAME,JOB_GROUP is also created by default in qrtz_triggers table. We have about 12 jobs whose average trigger time varies between 1 min to 15min Occasionally I ... |
11. trigger coderanch.comi have the following trigger which inserts the region field into the member table every time a user registers or updates their personal details through the website. CREATE TRIGGER [regiontree] ON [member] FOR INSERT, UPDATE AS UPDATE member SET region = Region.region FROM Region WHERE member.country = Region.country However i have been told that to this trigger will update all the ... |
12. one row trigger coderanch.comcould someone help me please? Although the following triggers dont give me any syntax error. Every time a user inserts or updates a record, the region field in the member table is set to NULL. This is the code: CREATE TRIGGER [regiontree] ON [member] FOR INSERT, UPDATE AS DECLARE @userid integer, @country nvarchar SELECT @userid = member.userid, @country = member.country FROM ... |
13. Triggers coderanch.comHi ranchers, I am working on an application which makes backup of Oracle and Foxpro on AS400 machine. One of the problem i am having is how can i make a backup of triggers and procedures.I mean how can i get what are triggers associated with any table and what are the procedures associated with database... Waiting for ur quick replies.. ... |
14. DatabaseMetaData and Finding Triggers coderanch.comfrom the docs: public ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern) throws SQLException Gets a description of the stored procedures available in a catalog. after a quick look i couldn't see anything about triggers, but i'd be interested to know if you find it. otherwise if you're using oracle or sql server & perhaps other dbs that i don't know, you ... |
15. Problem in accessing package variable through trigger coderanch.com |
16. how to create trigger using java code coderanch.comHi, Triggers are implicitly executed by the database when an event occurs. The event for e.g. could be ON DELETE,INSERT, UPDATE of a table row or it could be ON STARTUP of database. If u want to execute perform the event and as a result the trigger for the corresponding even gets exceuted. U cannot call triggers explicitly. |
17. invoking a trigger coderanch.com |
18. Getting trigger information usind JDBC API coderanch.comAny information available via system catalogs can be retrieved as long as the owner (DB User) through which u are obtaining your connection has the rights to do so. At the end of the day, it is just a database call through a SQL Statement. I cannot see why you cannot do it. If you are having specific problems, please post.. ... |
19. What Is Trigger? coderanch.comHi, This is from http://www.mysql.com/documentation/maxdb/a7/41ee1d605911d3a98800a0c9449261/content.htm Is it what you wanted to know? Trigger While database procedures are called explicitly from the programming language of the application, triggers are special procedures that run implicitly on a base table (or a view table based on this base table) after a data manipulation statement has been executed. The conditions under which a trigger is ... |
20. Postgres Trigger coderanch.comHi All I am new to postgres sql. I have a table namely "Status" having 3 columns TranDate,VoucherNo,UserID..... I want to fire a trigger that if any changes made into above table then a new entry must be added into another Audit table namely "Audit_Status" having same columns with additional column that shows which operation is fired. like if Addition is ... |
21. Need a Better way for postgreSOL Triggers coderanch.comActually, you'd be better off asking on the PostgreSQL site about stuff like that. However, IIRC, PostgresSQL triggers do have to be in the form of a function. Don't assume that function == inefficient. First of all, most modern-day language implementations do significant optimizations. Secondly, proportionally, the overhead of a stock function call to straightline code is a miniscule fraction of ... |
22. Need help in creating a trigger coderanch.comI have created a trigger in ORACLE 10g Database. Below is the code CREATE OR REPLACE TRIGGER TGR_ARCH_PERSONNEL BEFORE DELETE ON PERSONNEL FOR EACH ROW DECLARE PRAGMA AUTONOMOUS_TRANSACTION; BEGIN insert into BKP_PERSONNEL (PERSONNEL_ID, FIRST_NAME, LAST_NAME, EMPLOYEE_NO, DOB, SEX, JOB_TITLE, SS_NO, USER_NAME, PASSWORD, STATUS, EXP_DATE, COMMENTS, ROLE_ID, FREQUENCY) values ( :o ld.PERSONNEL_ID, :o ld.FIRST_NAME, :o ld.LAST_NAME, :o ld.EMPLOYEE_NO, :o ld.DOB, :o ld.SEX, ... |
23. what is trigger ? coderanch.comA trigger (in databases anyway) are fired when something happens in the database. For example, you can add a trigger when someone updates a record in a table - perhaps it checks to ensure that the record is less than 2 weeks old, or the trigger should make the update fail. You set the trigger in the database - affecting the ... |
24. A doubt with triggers coderanch.com |
25. diff b/w stored proc and triggers coderanch.comDid you try googling, or reading your database's documentation? Either source is liable to give you a fuller answer than one you will get here. The basics are a trigger is something that happens on specific events in the database, a stored procedure is a piece of functionality stored and run in the database. |
26. HF-SQL: Stored Procedures & Triggers coderanch.com |
27. Triggers coderanch.comi want to create a trigger service that deletes some rows, inserted a day before i have time stamp stored in a column of the row while inserting a row, if there are foreign key is defined, will it check automatically ?' I need the code ASAP. Please help me out with this |
28. Using a trigger to ensure uniqueness coderanch.comHello, I want to ensure that rows inserted into a database table are unique based upon a set of keys (more than the 16 allowed by my version of mysql for PKs). I am new to triggers and do not know how to implement a trigger that would perform such a check. Can anyone please help? Code samples or links are ... |
29. Some sort of trigger. coderanch.comI'm sorry if this is in the wrong category but I didn't really know where to put this, and this category seemed the best choice. I want to put 1 of my members of my site "in the spotlight", what I mean by this is to put a part of their "member-information" on my homepage for 1 week or maybe for ... |
30. Calling Java Application from Database trigger coderanch.comHi, I am trying to execute my java application once a reco5rd is inserted into a database table. For that sake i am planning to write a Trigger which will be called while inserting. My question is that, will i be able to call a java application from this trigger??? -- Kamal |
31. Send Mail at perticular time(By capturing database trigger) coderanch.comhi, I know a little about how to schedule tasks in windows platform. what you need to do is 1. go to MyComputer then 2. click on the 'ScheduleTask' program. That program wizard will help u in scheduling ur tasks. one more thing is if u want to invoke ur jsp page in a particular time then do the coding in ... |
32. Pls Help..Triggers coderanch.comHi I did not create any SQL trigger or procedure before. What I need is that I have 6 tables as: 1- Parent1 [Employee]: EmpID (PK), EmpName ...etc. 2- Child1 [EmpCourse]: EmpID (FK), CourseName, ...etc 3- Child2 [EmpExperience]: EmpID (FK), ExperienceSource, ...etc. 4- CopyofParent1 [Employee]: EmpID (PK), EmpName ...etc. 5- CopyofChild1 [EmpCourse]: EmpID (FK), CourseName, ...etc 6- CopyofChild2 [EmpExperience]: EmpID (FK), ... |
33. Please help...triggers issue coderanch.comHi, I have a requirement of a trigger which will trim the value of column CAA_NAME as soon as this column is updated. I hv written the foll trigger to achieve the same. But after the trigger is configured and i try to update caa_name column, I'm getting - ora-04091: table caa_ca is mutating,trigger-function may not see it ora-06512: at "TRIMCAACC4_MAIN", ... |
34. calling java from as400 trigger coderanch.com |
35. Need to Invoke a Java Program from a trigger coderanch.comHi All, I have a requirement whenever a request is raised which comes as a new row in the database, i need to send a SMS and an email to the users. I wrote a trigger on my input table to send the SMS which is just a insert query into the SMS table. Now i also have to send an ... |
36. How to start a Trigger from a java Application coderanch.com |
37. Trigger runs on some column time reached... coderanch.com |
38. Trigger performance coderanch.comPlease let me klnow which method is more efficient in terms of performance to generate an auto increment number in oracle. Step1 CREATE TABLE test (id NUMBER PRIMARY KEY, name VARCHAR2(30)); Step2 CREATE SEQUENCE test_sequence START WITH 1 INCREMENT BY 1; Method1 Follow Step1 and Step2 and create a Trigger as below : CREATE OR REPLACE TRIGGER test_trigger BEFORE INSERT ON ... |
39. Trigger with Two database coderanch.comHi I am using two database, Ms Sql Server 2005 & MySQL. I want to create Trigger in MS SQL Server Database. When inserting the new record in MS SQL Database, the trigger will fired and Fetch data from MySQl database and stored in MS SQL server database. How to connect mysql database from MsSql server trigger. |
40. Can we explicitly call triggers? coderanch.com |
41. Mutating trigger help java-forums.orgI have a trigger that will delete a row from (table)myProjects and change the (column)checkout status (Table)in projectDescriptions. I understand the trigger is being invalidated because the Trigger is referencing the myProjects table and trying to delete from it. This has to happen for the trigger to work(read: I can't think of another way to accomplish the same thing) The code ... |
42. generating trigger using java java-forums.orghello everybody' i have to create trigger with same schema for atleast 50 tables the only difference in trigger statement would be change in table name & corresponding columns to the table should also be changed in trigger statement. i dont want to write trigger for 50 tables manually . how can i do it programitically using java any idea? |
43. sending the message from trigger to mailid java-forums.orghere my query is CREATE TRIGGER NewCustomer1 ON CustomerInfo2 FOR INSERT AS DECLARE @custid varchar(5) SELECT @custID = Customer_id FROM inserted EXEC master..xp_startmail EXEC master..xp_sendmail @recipients = 'honey_rg16@yahoo.co.in', @subject = @custid, @message = 'A new customer has been added.' EXEC master..xp_stopmail what i want is i want send any message to the mailid for that i wrote the trigger like that ... |
44. Database trigger in java and design forums.oracle.comHi Experts, I have develop a system which query table after every three second and get new records and do processing, i expect lot of people suggest to use database trigger option, but i have following constraint. I am using Oracle 10g which is available on remote site and i have only access of 1521 port. This database is used by ... |
45. Database Trigger invokes a Java class in an application server forums.oracle.comHi, I' am new to this forum. Can anybody help me out to solve my issue. The Scenario is: When a database table is populated with some data, immediately a class in the Websphere application server should be invoked. The solution that I found is writing a trigger so that this trigger will call a Java stored procedure written in Oracle ... |