Assertion: trigger | /r/HasProperty | useful
Facets:
value: for customizing a database
type: PURPOSE
value: for logging the event
type: PURPOSE
value: for forms developers
type: TRANSITIVE-OBJECT
Source sentences:
text: Although triggers are useful for customizing a database, use them only when necessary.
text: While triggers are useful for customizing a database, you should only use triggers when necessary.
text: INSTEAD-OF triggers are also useful for Forms developers because forms are commonly based on views.
text: These triggers are useful for logging the event that was triggered.