SQL LOGON Trigger
It fires in response to LOGON events of SQL Server is raised .
A LOGON Triggers can be useful in may ways, such as to restrict number of connection made by a Login or to prevent a user from logging-in outside .
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sql server trigger
SQL Triggers
SQL Server triggers are special kind of Stored Procedures that invokes whenever a special event in the database occurs.
SQL Server uses two virtual tables INSERTED and DELETED, whenever a trigger is called . These table is used to capture the data of the modified row before and after the event occurs tables , these tables are called as magic tables or virtual tables.