2 an introduction to microbiology
Báo cáo toán học: " An introduction to 2-fuzzy n-normed linear spaces and a new perspective to the Mazur-Ulam problem" docx
... Ψ(hn−1 ) − Ψ(q2 f ) = Ψ(rf ) − Ψ(q2 f ), Ψ(h1 ) − Ψ(q2 f ), Ψ(h2 ) − Ψ(q2 f ), , Ψ(hn−1 ) − Ψ(q2 f ) = rf − q2 f, h1 − q2 f, h2 − q2 f, , hn−1 − q2 f α = (q2 − r) f, h1 − q2 f, h2 − q2 f, ... hn−1 − q2 f ≤ (q2 − q1 ) f, h1 − q2 f, h2 − q2 f, , hn−1 − q2 f = q1 f − q2 f, h1 − q2 f, h2 − q2 f, , hn−1 − q2 f β α α α = Ψ(q1 f ) − Ψ(q2 f ), Ψ(h1 ) − Ψ(q2 f ), Ψ(h2 ) − Ψ(q2 f ), ... Ψ(q2 f ), Ψ(h2 ) − Ψ(q2 f ), , Ψ(hn−1 ) − Ψ(q2 f ) = (r + q2 ) Ψ(f ), , Ψ(h1 ) − Ψ(q2 f ), Ψ(h2 ) − Ψ(q2 f ), , Ψ(hn−1 ) − Ψ(q2 f ) Since rf − q2 f, h1 − q2 f, h2 − q2 f, , hn−1 − q2...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 1 Part 2 potx
... Defining backup and recovery procedures • Monitoring performance and responding to changing requirements This isn't an exhaustive list Copyright (c) 20 03 C J Date page 2. 6 2. 8 The file manager is that ... combination of a DC manager and a DBMS, in which the DBMS looks after the database and the DC manager handles all messages to and from the DBMS (or, more accurately, to and from applications ... system that manages stored files (it's "closer to the disk" than the DBMS is) It supports the creation and destruction of stored files and simple retrieval and update operations on stored records...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 1 pps
... your answer to Exercise 12. 7 to take this fact into account Answer: We don't give a full answer here, but remark that the techniques illustrated in the answer to Exercise 12. 5 are relevant 12. 8 ... as the decomposition operator and join as the recomposition operator 13 .2 MVDs and 4NF Mostly self-explanatory note: Possible points for the instructor to Copyright (c) 20 03 C J Date page 13.1 ... {EMP#,JOBTITLE}), and hence JOB1 isn't in 2NF We can replace it by JOB2A { EMP#, JOBTITLE } PRIMARY KEY { EMP#, JOBTITLE } and JOB2B { EMP#, DEPT# } PRIMARY KEY { EMP# } Copyright (c) 20 03 C J Date 12. 12 page...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 2 pot
... were self-explanatory Emphasize the fact that the E/R the only "extended" model Note that there are often to treat one -to- one and one -to- many relationships as in fact many -to- many You could augment ... good rhetorical question: How would you represent an arbitrary join dependency in an E/R diagram? References and Bibliography References [14 .22 -14 .24 ] and [14.33] are recommended Answers to Exercises ... necessary is to replace the references to FDs and BCNF by analogous references to MVDs and 4NF, thus: Initialize D to contain just R For each non4NF relvar T in D, execute Steps and Let X →→ Y be an MVD...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 3 potx
... theorem (important!) and the two-phase locking protocol If A and B are any two transactions in some serializable schedule, then either B can see A's output or A can see B's Copyright (c) 20 03 C J Date ... The idea is to allow an implementation to use some nonlocking scheme if it wants to. ) Explain phantoms and the basic idea (only) of predicate locking Mention access path locking as an implementation ... R1-R3-U1-U3-R2-U2 is serializable (it's equivalent to the serial schedule T1-T3T2), but it cannot be produced if T1, T2, and T3 all obey the two-phase locking protocol For, under that protocol, operation...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 4 ppsx
... "generating" operator for the whole of 2VL Can you find an operator that performs an analogous Copyright (c) 20 03 C J Date page 19.9 function for 3VL? 4VL? [19 .20 ] might help) nVL? No answers provided ... (c) 20 03 C J Date page 19.8 A AND NOT(A) AND B AND NOT(B) A NOT(A) B NOT(B) A OR B A AND B A OR NOT(B) A AND NOT(B) NOT(A) OR B NOT(A) AND B NOT(A) OR NOT(B) NOT(A) AND NOT(B) (NOT(A) OR B) AND ... answers Of course, it probably produces right answers too; but since we have no way of knowing which ones are right and which wrong, all answers become suspect) It's important to understand too...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 5 pdf
... shorthand for a longer one, as we saw in the answer to Exercise 20 .9 20 .11 No answer provided 20 . 12 No answer provided *** End of Chapter 20 *** Copyright (c) 20 03 C J Date 20 .15 page Chapter 21 ... has DT(Y) equal to T, MST(Y) equal to MST(X), and v(Y) equal to v(X) 20 .3 No answer provided Copyright (c) 20 03 C J Date 20 . 12 page 20 .4 The least specific type of any value of any of the types ... Fig 20 .1 is PLANE_FIGURE, of course 20 .5 22 (this count includes the empty hierarchy) 20 .6 Since all rectangles are centered on the origin, a rectangle ABCD can be uniquely identified by any...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 6 pot
... [22 .3 -22 .5], [22 .10], [22 . 12] , [22 .16], [22 .25 ], [22 .28 ], [22 .30], and [22 .35] are not views but snapshots Annotation to those references talks in terms of snapshots, not views Copyright (c) 20 03 ... are 22 .10 No answer provided 22 .11 Perhaps Debate! Copyright (c) 20 03 C J Date page 22 .7 22 . 12 No answer provided *** End of Chapter 22 *** Copyright (c) 20 03 C J Date page 22 .8 Chapter 23 T ... 21 .3 See Section 21 .2 21.4 See Section 21 .4 21 .5 See Section 21 .4 21 .6 No answer provided 21 .7 No answer provided 21 .8 No answer provided *** End of Chapter 21 *** Copyright (c) 20 03 C...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 7 doc
... c ) AND J ( j, jn, c ) ? *═ RES ( p ) 24 .6 .25 Can't be done without negation 24 .6 .26 RES ( p1, p2 ) *═ SPJ ( s, p1, j1, q1 ) AND SPJ ( s, p2, j2, q2 ) ? *═ RES ( p1, p2 ) 24 .6 .27 -24 .6.30 Can't ... P ( p2, pn2, Red, pw2, pc2 ) k Can't be done without aggregate operators l S ( s, sn, st, London ) ═* SP ( s, P2, q ) m P ( p1, pn1, pl1, pw1, pc1 ) ═* P ( p2, pn2, Red, pw2, pc2 ) AND pw2 < 50 ... ( s, p, j, q ) AND SPJ ( s2, p, j2, q2 ) AND SPJ ( s2, p2, j3, q3 ) AND P ( p2, pn, Red, w, c ) ? *═ RES ( s ) 24 .6.36 RES ( s ) *═ S ( s, sn, st, c ) AND S ( S1, sn1, st1, c1 ) AND st < st1 ?...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 8 doc
... state and behavior; an instance of a class Instance: A concrete manifestation of an abstraction; an entity to which a set of operations can be applied and that has a state that stores the effects ... won't be relevant any more, and on and on Pretty strong claims for something that started out to be, in essence, nothing more than an approach to the data interchange problem! (To quote the XML ... reference [25 .24 ]; I would argue that that qualifier "powerful" should really be "complicated") 25 .6 No answer provided (it's straightforward, but tedious) 25 .7 No answer provided (ditto) 25 .8 No answer...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 9 pps
... along with an associated set of operators that can be applied to values and variables of the type in question (see Chapters and 20 for further Copyright (c) 20 03 C J Date 27 .19 page explanation) ... reference [27 .25 ]) It's really a metametalanguage (see Section 27 .4); that is, it's a language for defining languages for defining languages (these last being markup languages specifically) • An XML ... to construct an arbitrarily deep hierarchy of languages and metalanguages 27 .3 The following answer has been simplified in a variety of ways in the interest of brevity; for example, chapter and...
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An Introduction to Database Systems 8Ed - C J Date - Solutions Manual Episode 2 Part 10 pps
... slightly for formatting reasons ────────── 27 .24 See Section 27 .6 Copyright (c) 20 03 C J Date 27 .24 page 27 .25 The following observations, at least, spring to mind immediately: • Several of the functions ... address h2, a record r2 that subsequently hashes to h2 might be forced to overflow to h3──even though there might as Copyright (c) 20 03 C J Date page D.3 yet be no records that actually hash to h2 as ... [D.10], and [D.49].) If you decide to cover the material in a live class, however, then I leave it to you as to which topics you want to emphasize and which omit (if any) Note that the appendix as...
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An Introduction to Modeling and Simulation of Particulate Flows Part 2 pot
... case can be determined by studying the properties of the Hessian of V , 2 def [H] = ∂ V ∂x1 ∂x1 ∂ V ∂x1 ∂x2 ∂ V ∂x1 ∂x3 ∂2V ∂x2 ∂x1 ∂2V ∂x2 ∂x2 ∂2V ∂x2 ∂x3 ∂ V ∂x3 ∂x1 ∂ V ∂x3 ∂x2 ∂ ... vector (a contraction to a scalar) is defined by ∇ · u = e1 ∂ ∂ ∂ + e2 + e3 ∂x1 ∂x2 ∂x3 · (u1 e1 + u2 e2 + u3 e3 ) = ∂u2 ∂u3 ∂u1 + + ∂x1 ∂x2 ∂x3 (1.6) The curl of a vector is defined as ∇ ×u= 1 .2 ... and = (1 .25 ) ∂x1 ∂x2 ∂x3 Forces acting on a particle (1) that are always directed toward or away from another point and (2) whose magnitude depends only on the distance between the particle and...
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An introduction to multiagent systems - part 2 potx
... before Buy: after 5@$1 6@$9 Sell: Buy: 3@ $2 4@$5 2@ $6 2@ $4 6@$4 2@ $6 4@$9 6@$4 3@$3 5@ $2 ↑ 4@$9 3@$3 5@ $2 2@$1 2@ $1 Figure 7 .2: A call-market order book, before and after market clears a typical call ... double auctions, there are many buyers and sellers A typical example is the stock market, where there are many buyers and sellers of any given stock It is important to distinguish this setting ... player 2 s valuation is less than twice his own bid, s1 , and he loses otherwise Then player 1’s utility is simply (v1 − s1 ) when he wins, and otherwise 2s1 E(u1 ) = 10 u1 dv2 + u1 dv2 2s1 2s1...
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An introduction to predictive maintenance - part 2 pot
... means exist 48 An Introduction to Predictive Maintenance Advantages and Disadvantages Overall, preventive maintenance has many advantages It is beneficial, however, to overview the advantages and ... failures cannot be avoided; therefore, the maintenance organization must be able to react quickly to the unexpected failure 3 .2 EVALUATION OF THE MAINTENANCE ORGANIZATION One means to quantify the ... known 52 An Introduction to Predictive Maintenance These parameters and their codes should be established to fit the needs of the specific organization For example, an organization with many pneumatic...
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An Introduction to Thermodynamics phần 2 potx
... because of the volume change.9 ∆E = Q + W = Q - P(V2 - V1) (P) which can be written ∆E = Q - (P2V2 - P1V1) where P1 = P2 Set ∆E = E2 - E1 and rearrange Q = E2 - E1 + P2V2 - P1V1 Later we will ... reactions and phase changes are more often carried out at constant pressure than at constant volume At constant volume (no work done) the energy change is equal to Q, the amount of thermal energy transferred ... important in such circumstances to define carefully the system and surroundings and the exact process to be considered Interchanging “system” and “surroundings” labels may be helpful in analyzing...
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An Introduction to Genetic Algorithms phần 2 docx
... between 2l and n × 21 different schemas If all the strings are identical, then there are instances of exactly 2l different schemas; otherwise, the number is less than or equal to n × 2l This means ... one might use a GA both to evolve solutions to an interesting problem and to model evolution and coevolution in an idealized way One can think of many additional possible experiments, such as ... string, and suppose that an instance of schema H is picked to be a parent Schema H is said to "survive" under singlepoint crossover if one of the offspring is also an instance of schema H We can give...
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An Introduction to Programming in Emacs Lisp phần 2 pptx
... thousands of lines long—too long to be conveniently displayed; and, another buffer may have the same contents but a different name, and it is important to distinguish between them Here is an expression ... tell humans what it means The choice of name is up to the programmer and should be chosen to make the meaning of the function clear Indeed, you can choose any name you wish for a symbol in an argument ... page 22 0, to learn how to bind a command to a key.) A prefix argument is passed to an interactive function by typing the META key followed by a number, for example, M-3 M-e, or by typing Cu and...
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