what is the difference between a trigger and a routine?
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We can execute a stored procedure whenever we want with the help of the exec command, but a trigger can only be executed whenever an event (insert, delete, and update) is fired on the table on which the trigger is defined. ... Stored procedures can return values but a trigger cannot return a value.
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What's the difference between the Present Simple / Present Continuous and how to use them. We use the present simple tense when we want to talk about fixed habits or routines – things that don't change. We use the present continuous to talk about actions which are happening at the present moment, but will soon finish.
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Edge triggering is a type of triggering that allows a circuit to become active at the positive edge or the negative edge of the clock signal. In contrast, level triggering is a type of triggering that allows a circuit to become active when the clock pulse is on a particular level.
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Before triggers execute before the data has been committed into the database. ... After triggers execute after the data has been inserted or updated in the database. Usually after triggers are used because you need access to a formula field or the Id in the case of an insert.
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It's a replacement effect that changes the event “a permanent you control triggers” to the event “a permanent you control triggers twice“. Teysa's ability doesn't use the stack and it can't be responded to- it just doubles the triggers automatically.
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Row-level triggers execute once for each row in a transaction. ... Statement-level triggers execute once for each transaction. For example, if a single transaction inserted 500 rows into the Customer table, then a statement-level trigger on that table would only be executed once.
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Triggers are anything that remind someone of previous trauma. To be triggered is to have an intense emotional or physical reaction, such as a panic attack, after encountering a trigger. Related words: content warning. safe space.
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The difference between a routine and a ritual is the attitude behind the action. While routines can be actions that just need to be done—such as making your bed or taking a shower—rituals are viewed as more meaningful practices which have a real sense of purpose. Rituals do not have to be spiritual or religious.
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Functions and subroutines are called in the same way. The only difference between functions and subroutines is that functions must return data, whereas subroutines need not. ... If you call an internal routine as a function, you must specify an expression in any RETURN instruction so that the routine can return.
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A job has one start place, and executes one step at a time, with one flow through the steps. A transformation has many possible start places and all steps execute in parallel. If a step has a step before it, it will take the data in there, and use it.
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The BEGIN and END blocks are mandatory in a function while the stored procedure do not require them if it is just one line. In a function, it is mandatory to use the RETURNS and RETURN arguments, whereas in a stored procedure is not necessary.
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What is the difference between alarm filtering and alarm correlation? Alarm filtering lets alarms pass only if they meet a certain criteria, such as if they have a certain severity. Alarm correlation, on the other hand, preprocesses information from alarms and, in the process, modifies alarms that are sent.
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A trigger is a special type of stored procedure that automatically runs when an event occurs in the database server. DML triggers run when a user tries to modify data through a data manipulation language (DML) event. ... SQL Server lets you create multiple triggers for any specific statement.
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The main difference between habits and routines is how much aware and intentional you are. ... Both habits and routines are regular and repeated actions, but habits happen with little or no conscious thought, whereas routines require a higher degree of intention and effort.
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Trigger Context Variables. All triggers define implicit variables that allow developers to access run-time context. These variables are contained in the System. ... Returns true if the current context for the Apex code is a trigger, not a Visualforce page, a Web service, or an executeanonymous() API call.
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What is the difference between a DDL trigger and a DML trigger? A DDL trigger executes in response to a change to the structure of a database (for example, CREATE, ALTER, DROP). A DML trigger executes in response to a change in data (INSERT, UPDATE, DELETE).
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A stored procedure is a group of SQL statements that is compiled one time, and then can be executed many times. Triggers are named database objects that are implicitly fired when a triggering event occurs. ... A trigger is not called directly by a user, where as a stored procedure is directly called by a user.