a PL/SQL block that can defined to automatically execute for insert, update, and delete statements against a table

a predefined event that runs automatically whenever a specified action is performed on a physical file

a procedure that is run automatically when an event occurs

a procedure written in PL/SQL, Java, or C that will run implicitly when data is modified or when some user or system actions occur

a set of synchronous Structured Query Language (SQL) statements that execute automatically when a specific operation, such as changing data in a table, occurs

a special kind of PL/SQL anonymous block

a SQL statement that is executed when a condition such as a Row insertion, deletion or update is met

a stored PL/SQL block associated with a table

a stored PL/SQL program unit associated with a specific database table

a stored procedure associated with a specific table or view

a stored procedure that is fired (implicitly executed) when an INSERT, UPDATE, or DELETE statement is issued against the associated table

a stored procedure that Oracle Database invokes ("fires") automatically when certain events occur, for example, when a DML operation modifies a certain table

a stored procedure that Oracle invokes ("fires") automatically whenever a given DML operation modifies the trigger's table or schema

a stored program associated with a specific table or view

a stored subprogram associated with a database table, view, or event

A database trigger is procedural code that is automatically executed in response to certain events on a particular table in a database. Triggers can restrict access to specific data, perform logging, or audit data modifications.