code class$=$"asciimath"$>$A$($n$)$ is a way of retrieving information from one or more tables that defines a particular subset of data. Select one: A$.$ field constraint B$.$ query C$.$ enquiry D$.$ validation rule In a $$ network, data collisions can occur fairly easily because the network is essentially composed of a single cable. Select one: A$.$ bus B$.$ cluster C$.$ star D$.$ hierarchical A $$ is a collection of related data that can be stored, sorted, organized, and queried. Select one: A$.$ memo B$.$ database C$.$ document D$.$ macro