In Java, when we implement an interface method, it must be declared as ________.
In asynchronous transmission, the gap time between bytes is ________.
The term that optimizes subexpressions shared by different expressions in a program is called ________.
The optimizer that explores the space of all query-evaluation plans is called ________.
The database design that consists of multiple tables that are linked together through matching data stored in each table is called a _______.
If A $\to$ B has trivial functional dependency, then _______.
Which is the candidate key for the relation R(ABCDE) with functional dependencies F=A→BC, B→D, CD→E, E→A?
A relation \(R(A,B,C,D)\) with functional dependencies A→B, B→C is in _______ .