The events that trigger SQL Server triggers which are actually stored t-sql codes are sql INSERT, UPDATE and DELETE statements executed on a sql database table. For example, if you create trigger to execute after Insert statement on a sql table, when a new row or a set of new rows are...
Learn everything you need to know about triggers in SQL Server, from creating and using them to troubleshooting errors. Read on to know its pros and cons.
A SQL Server trigger is a piece of procedural code. It is just like a stored procedure which is only executed when a given event happens. There are different types of events that can fire a trigger. To name you a few, the insertion of rows in a table, a change in a table structure...
This example shows how to use sp_configure to set the value of the nested triggers option to 0. SQL Copy USE master; GO EXECUTE sp_configure 'show advanced options', 1; GO RECONFIGURE; GO EXECUTE sp_configure 'nested triggers', 0; GO RECONFIGURE; GO EXECUTE sp_configure 'show ...
This example shows how to use sp_configure to set the value of the nested triggers option to 0. SQL Copy USE master; GO EXECUTE sp_configure 'show advanced options', 1; GO RECONFIGURE; GO EXECUTE sp_configure 'nested triggers', 0; GO RECONFIGURE; GO EXECUTE sp_configu...
Microsoft.SqlServer.Server Assembly: System.Data.dll Provides contextual information about the trigger that was fired. C#Copy publicsealedclassSqlTriggerContext Inheritance Object SqlTriggerContext Examples The following example shows aSqlTriggerContextobject being used to determine if anInsertaction occurred....
For a multirow insert, the DML trigger in example A might not operate correctly; the expression to the right of an assignment expression in an UPDATE statement (SubTotal + LineTotal) can be only a single value, not a list of values. Therefore, the effect of the trigger is to retrieve ...
a way of doing all this without using recursive triggers, such as a recursive CTE. For example...
that you can roll back the changes inside the trigger if you need to. But in your example, ...
It is possible to define multiple triggers for a given table that have the same trigger event and action time. For example, you can have twoBEFORE UPDATEtriggers for a table. By default, triggers that have the same trigger event and action time activate in the order they were created. ...