Solved 7 Consider The Following Relation That Is Not In Chegg

Consider The Following Relation Chegg Functional dependency is a relationship between two attributes in which the right hand side attribute is functionally dependent on the left hand side attribute. In 3nf, a relation must be free of transitive dependencies, where a non prime attribute depends on another non prime attribute indirectly via the primary key. here, a → bc and b → d, so b is a non prime attribute that determines d, and a determines b.

Solved Consider The Following Relation Chegg So use that substitution (n = 2k) throughout the entire generalized, kth recurrence relation. so, t(n) = 2n – 1 and runs in o(n) time. yes, this looks really ugly, but watch how quickly it cleans up when we try to solve it we’re not done since we still have t( )’s on the right side of the equation. we need to get down to t(1). how?. Step by step explanation detailed explanation: a) invoice is in 2nf but not in 3nf because cus address and cus phone are both dependent on cus num, but not on inv num. b) the relations would be: invoice (inv num, inv date, inv amount, cus num) customer (cus num, cus address, cus phone) the primary keys would be inv num and cus num, respectively. Consider the following relation. (figure can't copy) (a) list the essential functional dependencies. (b) what are the possible primary keys? (c) which normal form is this table in? (list the highest form.) (d) if the relation is not in third normal form, convert it to a collection of tables in third normal form whose join is the original table. The given relation is as follows: faculty (coursenumber, facultyname, classroom, departmentname, departmentlocation), and this relation is not in 3nf. answer: course (….

Solved 7 Consider The Following Relation That Is Not In Chegg Consider the following relation. (figure can't copy) (a) list the essential functional dependencies. (b) what are the possible primary keys? (c) which normal form is this table in? (list the highest form.) (d) if the relation is not in third normal form, convert it to a collection of tables in third normal form whose join is the original table. The given relation is as follows: faculty (coursenumber, facultyname, classroom, departmentname, departmentlocation), and this relation is not in 3nf. answer: course (…. Since there is a loop at each vertex, the relation is reflexive. identify the correct statement about the transitive property of the relation represented by the given directed graph. there is no directed edge from c to b, so the relation is not transitive. Understand the definition of 3nf (third normal form) to argue that the given relation is not in 3nf, we first need to understand what 3nf is. a relation is in third normal form if it is in second normal form (2nf) and, additionally, it does not have any transitive dependency. Yes, the relation is a function. no, the relation is not a. your solution’s ready to go! our expert help has broken down your problem into an easy to learn solution you can count on. Which of the following possible relations will not hold if the above erd is mapped into a relation model ? the correct answer is "option 3". hence, exam (examid, nid, examname) is not a possible relation.