Topic: Database Triggers
Answers to Common Questions
What is Database triggers in sql?
A database trigger is an action that the database management software will perform automatically when a preset list of conditions are met. Different database vendors have different mechanisms in place for the declaration of triggers, but th... Read More »
Source: http://wiki.answers.com/Q/What_is_trigger_in_sql
What is use of database trigger?
A database trigger is a piece of stored procedure code that runs in response to a specified event. The most common use is during DML, to track changes, enforce complex constraints, limit access to data or limit changes to data. The possibil... Read More »
Source: http://wiki.answers.com/Q/What_is_use_of_database_trigger
what are the database triggers in oracle?
hi pons, There are 12 database triggers in oracle 7.3 ( one extra category in Oracle 8.0 i.e, "Instead of") You can easily categorize them in the following ways. 1. The triggers available are for the three statements ( Insert, Update a... Read More »
Source: http://www.experts-exchange.com/Q_10133924.htm
Featured Content: Database Triggers
A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is ... More »
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Answers to Other Common Questions
To find triggers from management stdio you will need to find it's table/view first and then expand it and check triggers. Read More »
Source: http://www.experts-exchange.com/Microsoft/Development/MS-SQL-Serv...
try 1. selext text from user_triggers where table_name = 'your table_name'; The table_name should be in upper case. 2. try all_triggers instead of user_triggers. Read More »
Source: http://www.experts-exchange.com/Database/Oracle/Q_20261436.html
You can restrict access to all DDL triggers with this. DENY ALTER ANY DATABASE DDL TRIGGER TO UserName Or you can restrict access to a specific trigger with this. DENY ALTER ON OBJECT::TriggerName TO UserName Greg Read More »
Source: http://www.experts-exchange.com/Microsoft/Development/MS-SQL-Serv...
I don't see anything in your current trigger that is utilizing the newly inserted row, i.e., the NEW.uid or NEW.department. I would actually expect something like this: 1: 2: 3: 4: UPDATE users SET users.department = NEW.department WHERE us... Read More »
Source: http://www.experts-exchange.com/Database/MySQL/Q_27249769.html
Ah, you will need to look at some other kind of solution then - I think the one they suggest will be too inefficient to be viable if you experience any kind of volume. How about this compromise: i) create a staging table on their server - c... Read More »
Source: http://www.experts-exchange.com/Microsoft/Development/MS-SQL-Serv...
in short: system trigger: triggers are fired by system events like startup , shutdown. database trigger: triggers are fired by database: like logon database, logoff database, all the DML or DDL events on database.they are stored in the data... Read More »
Source: http://www.experts-exchange.com/Q_20900551.htm
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