Podcast
Questions and Answers
What does the symbol ':-' indicate in rule syntax?
What does the symbol ':-' indicate in rule syntax?
In the context of a Datalog program, what is meant by the term 'arity'?
In the context of a Datalog program, what is meant by the term 'arity'?
What are grounded predicates in rule syntax?
What are grounded predicates in rule syntax?
What is typically found in the body of a rule in Datalog syntax?
What is typically found in the body of a rule in Datalog syntax?
What is the primary function of DDBs with respect to rules?
What is the primary function of DDBs with respect to rules?
What distinguishes deductive databases (DDBs) from expert database systems?
What distinguishes deductive databases (DDBs) from expert database systems?
Which of the following is a feature of DDBs?
Which of the following is a feature of DDBs?
Which statement accurately reflects the relationship between Datalog and Prolog in DDBs?
Which statement accurately reflects the relationship between Datalog and Prolog in DDBs?
In the context of DDBs, how are facts specified?
In the context of DDBs, how are facts specified?
What is the primary theoretical foundation for deductive databases?
What is the primary theoretical foundation for deductive databases?
What is a primary characteristic that differentiates rules from views?
What is a primary characteristic that differentiates rules from views?
What evaluation strategy does Prolog utilize?
What evaluation strategy does Prolog utilize?
In Datalog, what approach is primarily taken for evaluation?
In Datalog, what approach is primarily taken for evaluation?
What is significant about the ordering of facts and rules in Prolog?
What is significant about the ordering of facts and rules in Prolog?
What naming convention is used for constant values in predicates in Prolog?
What naming convention is used for constant values in predicates in Prolog?
When a predicate in Prolog is called with all constant values, what does it indicate?
When a predicate in Prolog is called with all constant values, what does it indicate?
How are attributes represented in the facts of Prolog predicates like 'supervise'?
How are attributes represented in the facts of Prolog predicates like 'supervise'?
In the context of a 'supervise' predicate, what does 'supervise(X,Y)' represent?
In the context of a 'supervise' predicate, what does 'supervise(X,Y)' represent?