It is very important that any event trigger using the login event checks whether or not the database is in recovery before performing any writes. Writing to a standby server will make it inaccessible.
A data change trigger is declared as a function with no arguments and a return type of trigger. Note that the function must be declared with no arguments even if it expects to receive some arguments ...
Trigger finger can limit finger movement and make it difficult to straighten and bend the affected finger. This condition results from inflammation of the tendons that flex the fingers, causing pain ...