Software for originating storage retrieval of

What is referential integrity?

Which deadlock prevention scheme allows older transactions to preempt younger ones?

In an E-R Diagram, entities are typically represented by:

In PL/SQL, a `CURSOR` is used to:

A system is in a safe state when:

Which database model represents data in a tree-like structure, where each child record has only one parent?

A "diamond" shape in an E-R Diagram typically represents a:

Distributed transactions typically use which protocol for atomicity?

Which normal form ensures no partial dependency of non-prime attributes on a candidate key?

Which of the following is a non-relational database?