a) ul
b) li
c) nav
d) both ul and li
Answer: d
Explanation: Conventionally, many web developers have use <ul></ul> and <li></li> tags to encapsulate navigation and then styled the elements appropriately as menu items. This seems to introduce quite a bit of ambiguity in markup because it may be difficult to determine the difference between a list that has links in it and a list that is simply navigation.
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F1->F3
F2->F4
(F1,F2)->F5
in terms of normalization, this table is inRelation R with an associated set of functional dependencies, F, is decomposed into BCNF. The redundancy (arising out of functional dependencies) in the resulting set of relations is
Which normal form is considered adequate for normal relational database design?
The functional dependency can be tested easily on the materialized view, using the constraints ____________.
The algorithm that takes a set of dependencies and adds one schema at a time, instead of decomposing the initial schema repeatedly is
Class (course id, title, dept name, credits, sec id, semester, YEAR, building, room NUMBER, capacity, TIME slot id)
The SET OF functional dependencies that we require TO hold ON class are:
course id->title, dept name, credits
building, room number->capacity
course id, sec id, semester, year->building, room NUMBER, TIME slot id
A candidate KEY FOR this schema IS {course id, sec id, semester, YEAR}
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