How to alter a trigger in oracle?

@gilbert 

To alter a trigger in Oracle, you can use the ALTER TRIGGER statement. Here is the syntax:

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ALTER TRIGGER trigger_name
{ ENABLE | DISABLE | COMPILE | RECOMPILE }

You can use the following keywords to alter a trigger in Oracle:

1. ENABLE: This keyword enables a disabled trigger.
2. DISABLE: This keyword disables a trigger. When a trigger is disabled, it will not fire when the triggering event occurs.
3. COMPILE: This keyword compiles a trigger that has been invalidated due to changes in the underlying table or schema.
4. RECOMPILE: This keyword recompiles a trigger that was compiled with errors.

For example, to enable a trigger named my_trigger, you can use the following SQL statement:

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ALTER TRIGGER my_trigger ENABLE;

Similarly, to disable a trigger named my_trigger, you can use:

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ALTER TRIGGER my_trigger DISABLE;

Remember to replace trigger_name with the actual name of the trigger you want to alter.