Procedural code automatically executed in response to a database event.

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1answer
54 views

Disabled trigger still fired

I've just run the following t-sql to disable a trigger (with a deploy script wrapper around osql): disable trigger dbo.trExampleTableInsert ON dbo.ExampleTable In SSMS I could see the trigger was ...
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2answers
30 views

Create a trigger to update table data on another Server's database

I am creating a trigger in MySQL and I need a little help. I have 2 websites, 2 databases (same name) on 2 different web servers, S1 & S2. These databases have the same tables names. I want ...
2
votes
1answer
28 views

Are there tips for writing Oracle DDL Triggers for auditing? Or should I just use AUDIT?

I've been tinkering with writing a trigger to log my table creation and manipulation for later tracking and review. The challenge is that my trigger logic is stored in the same schema on which I've ...
3
votes
1answer
45 views

Subquery returned more than 1 value

In my database I have two tables: projects and comp_types. When a new project is created a trigger is hit which inserts a concatenated value in a column in the projects table. A fully working SQL ...
1
vote
1answer
45 views

BEFORE INSERT trigger in MySQL

I am new to MySQL and I'm having problems creating a BEFORE INSERT trigger. I get an unexpected END error. I have a table named verlof_aanvragen with a column datum (and 6 more columns). What I ...
0
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1answer
237 views

Execution of a java program by a trigger

Can an update trigger execute a java program? I have a table T1 with a column named Flag. Whenever Flag changes, I want to run a trigger that results in an execution of a java program.
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2answers
66 views

MySQL Replication and Triggers

I have stumbled upon an interesting MySQL Error message that I do not really know how to interpret. The setup: There are two tables A and B. When data is written or updated in the table A, then a ...
2
votes
1answer
137 views

MySQL generic trigger to save identification data for later accessing of the changed row

I am pretty inexperienced with this. I need a generic trigger, able to create and save in a fixed table some sort of identification data for a changed row from generic (any) table. The ...
0
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1answer
41 views

Stored procedure not working

I am creating a procedure in a new database. There is no trigger on any table and no procedures exist. I am getting this error: ERROR 1303 (2F003): Can't create a PROCEDURE from within another ...
2
votes
1answer
59 views

What are the risks for logging across databases via a trigger?

I've searched for this online and had mixed or unclear responses, and after posting on superuser, was directed over here. On SQL Server 2005, we currently log certain table changes via triggers using ...
2
votes
4answers
333 views

A database trigger is an alternative for?

I had the following quiz question and could not answer it myself because of a little confusion. Please answer this and tell me why? A database trigger is an alternative for? A. Stored ...
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1answer
26 views

updation of a column after expire of specific time in mysql

i have a table where i have a column named 'state'(int(2)) and 'modify_time' (time_stamp on update current timestamp). i have an update trigger which changes the value of state column to 0 based on ...
1
vote
1answer
26 views

Trigger not Working

I created trigger on table PENDING. Pending table has 3 columns uniqueId duration maxDuration I have another table COUNT with 2 columns req_id total Here is my trigger-- CREATE TRIGGER ...
0
votes
1answer
114 views

Synchronise data from one table to another & vice-versa using triggers

We are migrating from one database structure to another - very slowly. The system is MySQL. There are two databases. For example's sake, we will call the databases old_db and new_db. Both databases ...
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vote
2answers
54 views

Federated tables and triggers

This is the scenario. Have two MySQL servers (S1, S2) on different machines, with a database on each (DB1, DB2). I have a table (T2) on DB2 that needs to "fectch" rows from another table (T1) on ...
1
vote
1answer
66 views

How can we get table name from inside trigger?

I need to pass the table name from trigger to procedure. ALTER TRIGGER [dbo].[Trg_ProjectCreation] ON [dbo].[Projects] AFTER INSERT AS BEGIN SET NOCOUNT ON; -- procedure call ...
1
vote
1answer
36 views

Postgresql - how to drop a trigger [closed]

A while ago I've created a trigger in Postgresql, update_user, which sets the update_date to now() for table users. Now I want to drop this trigger. The following queries don't work: drop trigger ...
-1
votes
1answer
31 views

checking a folder whether required file is present at a regular interval [closed]

i have 4 folder hierarchy in a following format : Hourly Daily Weekly Monthly. In every folder i have files which is coming in a frequency based on their folder's name. Now , i have ...
3
votes
2answers
1k views

Trigger in MySQL

Please help me for few question in SQL.. I want to create the trigger which prevents insertion in the reservation table of flights (numflights), which does not exist. Tables ...
2
votes
1answer
44 views

Testing AFTER INSERT Trigger

I have the following table: CREATE TABLE Train( Train_No integer PRIMARY KEY, Loco_No integer REFERENCES Locomotive(Loco_No), Back_Loco_No float REFERENCES Locomotive(Loco_No), ...
1
vote
1answer
53 views

Trigger not firing when deleting a record from stored procedure MySql

Bare with me, as I'm fairly new to stored procedures / triggers. I have the following Stored Procedure: DELIMITER $$ CREATE DEFINER=`username`@`serveraddress` PROCEDURE `TASK_APPROVE`(IN idtask ...
0
votes
1answer
48 views

Postgres - Schema information within Trigger?

Background : (Multi-tenant design;separate schema per customer, all table structures identical;Data-warehouse / non-OLTP system here; Postgres 9.2.x). Reviewing patterns for the following problem: I ...
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0answers
39 views

Why Oracle Database trigger can became DISABLED

We have an application, using ddl database trigger on oracle database. Trigger depends on package and several tables, package depends on user defined function. It works on different customer sites ...
1
vote
1answer
84 views

Is it possible for a trigger to update a row in a table using a value that was deleted?

I have a trigger which is updating a column in a different table after the row is inserted: mysql>delimiter $$ mysql> create trigger status after insert on table2 FOR EACH ROW BEGIN ...
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0answers
33 views

Fast afterUpdate cross-database trigger blocks insert

I'm trying to fix a timeout issue in an existing application. There is a trigger on after_update that cascades a value from the update from master.Client to internal.Client and external.Client The ...
0
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1answer
53 views

How can I modify this trigger with loops and concat?

I have this trigger below which inserts new values in the an emplog table. I want to have my trigger insert in the description column the event that took place. For example, if I changed the last_name ...
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0answers
96 views

Resolving a “Multiple triggers with the same action” error [closed]

What's wrong with my trigger? I'm getting this error: 1235 - This version of MySQL doesn't yet support 'multiple triggers with the same action time and event for one table' whats causing this ...
1
vote
1answer
1k views

MySQL trigger - delete data from multiple tables

I would like to delete data in multiple tables, from a trigger but it seem like my syntax is incorrect. I got the error: "you've got a error in your MySQL syntax please check the manual". This ...
2
votes
4answers
7k views

Call a stored procedure from a trigger

I have created a stored procedure in mysql using the following syntax. DROP PROCEDURE IF EXISTS `sp-set_comment_count`; DELIMITER $$ CREATE PROCEDURE `sp_set-comment_count` (IN _id INT) BEGIN -- ...
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vote
2answers
395 views

How to insert into junction table using triggers

Sorry in advance if this is "basic SQL." I wanted to know how to update my junction tables automatically. For example, these are my tables. Artist and Song are base tables and SongArtist is the ...
2
votes
1answer
196 views

MariaDB, Triggers and last_insert_id

I have a situation where I have three tables: sample, sample_name and run (extra columns removed to be only relevant information). CREATE TABLE `sample` ( `sample_id` int unsigned NOT NULL ...
0
votes
1answer
42 views

Is there a workaround for lack of support of cascade triggers with MySQL?

As things stand, cascaded foreign key actions do not activate triggers with MySQL. I don't want to get into the debate as to whether or not this is good, I just would like to know whether there is a ...
1
vote
1answer
376 views

when will Innodb support activation of triggers on cascade foreign key? [closed]

The Manual says: http://dev.mysql.com/doc/refman/5.6/en/innodb-restrictions.html Currently, cascaded foreign key actions do not activate triggers. Any Idea when will this be implemented. Is ...
1
vote
1answer
71 views

What would cause extra records to be inserted during a INSERT trigger

The following trigger that joins Inserted table on itself creates multiple unwanted records: CREATE TRIGGER [dbo].[trFooInsert] on [dbo].[Foo] AFTER INSERT AS BEGIN IF EXISTS(SELECT 1 FROM ...
0
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2answers
115 views

Should I disable triggers, timestamps in a slave in mysql?

We're using MySQL. We have a master that eventually will have 2 slaves. There are triggers in the db that execute when data changes in certain tables. I am wondering whether to disable the triggers in ...
1
vote
1answer
28 views

Determine if existing Trigger acts on field DB2

I am eventually going to be writing a trigger on a field named "user2". Currently most of the values in this field are blank, but there are some seemingly random rows with values of '00' for the ...
0
votes
1answer
80 views

What happens to a Trigger if a table is dropped and rename and recreated with same name

What happens to a Trigger if a table is dropped and rename and recreated with same name? For e.g: We have a Trigger X which is define for Table A. We have a Trigger Y which is define for Table B. ...
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2answers
189 views

mysql trigger on update with insert statement

I am trying to create a simple trigger which is handled on update operations. The trigger is checking before update if a record of an update exists, then if not it is created. DELIMITER ;; CREATE ...
0
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2answers
80 views

PLSQL: BEFORE INSERT Trigger

I am attempting to write my first trigger statement. I am trying to create a trigger that performs a SELECT to get my MAX_TOW_WEIGHT for a LOCO_CLASS, then compare that weight to the TRAIN_WEIGHT. If ...
1
vote
2answers
220 views

SQL Server 2012, restore database

I am using MS SQL Management Studio 2012 to restore the database from a .bak file. (That file is from the backup of the database on server) In my new database, the triggers are missing. Why did I ...
0
votes
1answer
133 views

Two insert statements inside trigger - Duplicate entry '521-2' for key 'PRIMARY'

I'm trying to create an insert trigger so that when a new user is inserted into users table (via site, httpd and php), part of this information is inserted in another table that manages access to a ...
2
votes
2answers
101 views

Is there a way that I can export a list of all table triggers on a server?

I have two SQL Server instances that I manage. One is a SQL Server 2000 instance, and the other is 2005. Some where, on these servers, I recall setting up a couple table triggers that were executed ...
0
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0answers
117 views

error in creating trigger in phpmyadmin

I have 4 tables: event: event_id(p.k) | uid | circle_id(f.k) activity: uid | performed_activity_id(f.k->event_id) | activity_type_id follow: follower_id | circle_id(f.k) noiticication: ...
0
votes
0answers
36 views

Duplicate entry '0' for key 'UQ_CallsIDCC'

I have my own Server with Voice Switch and not really familiar with SQL. Having problem with following: 02-25 12:05:32 MySQL error description : Duplicate entry '0' for key 'UQ_CallsIDCC' 02-25 ...
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0answers
88 views

mysql alternative to prepared statements in triggers

I'm trying to get some stored procedures to fire from a MySQL 5.1 trigger. When these were called without triggers, I used prepare and execute statements to build queries and other SQL calls. I have a ...
3
votes
1answer
251 views

Trigger in combination with transaction

Suppose we have the following situation: We have a table (let's say Table_A), wich has a trigger on INSERT. The trigger job is to update some rows in table_B based on the inserted values in table_A. ...
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0answers
108 views

FOR UPDATEor INSTEAD OF UPDATE Trigger?

I am working on my project at university - database in MS SQL Server for some sort of travel agency. I would like to create a trigger to check if I can add another reservation for specific Holiday ...
1
vote
1answer
71 views

DB2 9.7 - Find rows inserted by a specific trigger

We are auditing a table TRANSACTIONS that inserts a row in HISTORY_TRANSACTIONS when specific columns are changed. These inserts happen through a number of triggers defined on TRANSACTIONS table. Is ...
0
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0answers
252 views

MS Access trigger

I got a trigger to update a table in SQL. My actual need is in MS Access but I could not make it. So please help me to write the same trigger in MS Access. Query is as follows: Create trigger ...
2
votes
1answer
109 views

Which is more efficient, trigger or PHP code?

My requirement is to move EMR data for a patient to a set of history tables when the patient has been discharged. I proposed to use an after trigger on the table housing the discharge flag, checking ...

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