Engineering, 21.04.2020 15:28, hbked23
Suppose we have a database for an investment firm, consisting of the following attributes: B (broker), O (office of a broker), I (investor), S (stock), Q (quantity of stock owned by an investor), and D (dividend paid by a stock), with the following functional dependencies: SD, I B. IS a Find a key for the relation scheme R(B, O,S, Q,I, D). b. Find a decomposition of R into third normal form, having a lossless join and preserving dependencies c. Find a lossless join decomposition of R into Boyce-Codd normal form.
Answers: 3
Engineering, 04.07.2019 18:10, meganwintergirl
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20, alexis9263
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
Engineering, 04.07.2019 18:20, kodyclancy
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
Suppose we have a database for an investment firm, consisting of the following attributes: B (broker...
Social Studies, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
Arts, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
English, 17.12.2020 21:20