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New England University maintains a data warehouse that stores information about students, courses, and instructors. Members of the university's Board of Trustees are very much interested in students' academic performance as well as instructors' teaching effectiveness. For example, they may like to know:
Note that each undergraduate student must declare his/her major and up to two minors by the end of the junior year. A graduate student may have a major (e.g., MBA) and a minor or concentration (e.g., IT). Some courses (e.g., undergraduate GB courses) may be "co-offered" by several departments. An instructor may be affiliated with more than one department.
1. Draw the two star schemas and specify all relevant attributes.
2. Identify conformed dimensions.
3. Identify any slowly changing dimensions and the attributes whose values may change from time to time.
4. Draw a lattice hierarchy for each dimension that has more than one level.
The boundary of the shaded portion in the adjoining figure consists of our half-circles and two quarter-circles. Find the length of the boundary and the area of the shaded portion
Related problems,working rule,defnitions
R is called as a transitive relation if (a, b) € R, (b, c) € R → (a, c) € R In other terms if a belongs to b, b belongs to c, then a belongs to c. Transitivity be uns
Let a = 5200 and b = 1320. (a) If a is the dividend and b is the divisor, determine the quotient q and remainder r. (b) Use the Euclidean Algorithm to find gcd(a; b). (c)
smart mind
write each fraction as a decimal .round to the nearest hundredth if necessary (1-4) (14-21)
When three quantities a, b and c are in G.P., then the geometric mean "b" is calculated as follows. Since these quantities are in G.P., the r
A sell a watch to B at gain of 20% and B sell to C at loss of 10%. if C pays @ 432, how much did A pays for it.
Determine whether the following numbers are odd or even: Examples: Determine whether the following numbers are odd or even: 364, 1068, & 257. Solution: 1.
5.02
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