Solutions manual to accompany introduction to operation research

... Πv An interesting exercise left to the reader is to plot S as L is varied from small to large More on the Fano Factor The Fano factor, F, is defined as the variance of the pulse height (or energy) ... Ed.) Plot the Fano factor for N ranging from to 10 Your plot shows generally how the Fano factor changes as g(E) broadens (As an aside, Fano factors are usually not applied to scintil...

Ngày tải lên: 17/09/2016, 06:20

... different objects into the 1st box, and then n−a ways of putting a b b different objects into the 2nd and then one way to put the remaining objects into the 3rd box Thus the total number of ways ... 710 (a) The probability that the first player wins under either service convention is equal to the probability that if a coin has probability p of coming up heads, and the coin is tossed 2N...

Ngày tải lên: 05/06/2014, 11:31

... Forms Semantic Modeling Part IV : Transaction Management 15 Recovery 16 Concurrency Copyright (c) 2003 C J Date page fm.3 Part V : Further Topics 17 18 19 20 21 22 23 24 Security Optimization Missing ... need to come back and deal with it properly before you cover Chapter 20 or Chapters 2 5-2 7 • Read Chapter 11 "once over lightly." • Read Chapters 12 and 14 carefully,...

Ngày tải lên: 06/08/2014, 01:21

... required stored record occurrences; next, construct the required conceptual record occurrences; finally, construct the Copyright (c) 20 03 C J Date page 2. 5 required external record occurrence At each ... Farrell', 20 00, 12 , 20 05 ) ; 1. 9 No answer provided Copyright (c) 20 03 C J Date 1. 12 page *** End of Chapter *** Copyright (c) 20 03 C J Date page 1. 13 C...

Ngày tải lên: 06/08/2014, 01:21

... INTO :CJ _J# , :CJ_JN, :CJ_JC ; print CJ _J# , CJ_JN, CJ_JC ; END DO ; EXEC SQL CLOSE CJ ; END DO ; EXEC SQL CLOSE CS ; 4.6 The basic problem here is this: We need to "explode" the given part to n ... rows accessible via CS ; EXEC SQL FETCH CS INTO :CS_S#, :CS_SN, :CS_ST, :CS_SC ; print CS_S#, CS_SN, CS_ST, CS_SC ; EXEC SQL OPEN CJ ; DO for all J rows accessible via CJ ; EXEC SQL FETC...

Ngày tải lên: 06/08/2014, 01:21

... THE_R ( C ) ) ; END OPERATOR ; OPERATOR CIRCUMFERENCE ( C CIRCLE ) RETURNS LENGTH ; RETURN ( 3 . 14 159 * DIAMETER ( C ) ) ; END OPERATOR ; OPERATOR AREA ( C CIRCLE ) RETURNS AREA ; RETURN ( 3 . 14 159 ... some of the implications: Can't specify "uniqueness" on columns containing such values Can't joins over such columns Can't GROUP BY on such columns And so on Forward reference to...

Ngày tải lên: 06/08/2014, 01:21

... warehouse in city CITY • J: Project J# is under way, is named JNAME, and is located in city CITY • SPJ: QTY Supplier S# supplies part P# to project J# in quantity ────────── * For some unspecified reason! ... operators that together satisfy certain Copyright (c) 2003 C J Date page 7 .1 axioms or laws, such as the laws of closure, commutativity, associativity, and so on (closure...

Ngày tải lên: 06/08/2014, 01:21

... PCITY =/ CITY AS SCITY ) TIMES CITY AS PCITY ) TIMES CITY AS JCITY ) ) PCITY JCITY Copyright (c) 2003 C J Date SCITY ) TIMES PCITY ) TIMES JCITY ) ) { S#, P#, J# } page 7 .14 AND JCITY =/ SCITY ) ... RENAME CITY AS JCITY ) ) { SCITY, JCITY } 7.24 ( J JOIN SPJ JOIN S ) { P# } 7.25 ( ( ( J RENAME CITY AS JCITY ) JOIN SPJ JOIN ( S RENAME CITY AS SCITY ) ) WHERE JCITY =/ SCITY ) { J#...

Ngày tải lên: 06/08/2014, 01:21

... 300 ) AND SPJX.QTY ≤ QTY ( 75 0 ) 8 .13 . 17 { PX.COLOR, PX.CITY } Copyright (c) 2003 C J Date 8 .11 page 8 .13 .18 { SX.S#, PX.P#, JX .J# } WHERE SX.CITY = PX.CITY AND PX.CITY = JX.CITY 8 .13 .19 { SX.S#, ... 'London' AND PX.COLOR = COLOR ( 'Red' ) AND SPJX.S# = SX.S# AND SPJX.P# = PX.P# AND SPJX .J# = JX .J# ) Copyright (c) 2003 C J Date 8 .13 page 8 .13 . 41 JX .J# WHERE FORA...

Ngày tải lên: 06/08/2014, 01:21

... S.CITY, UPDATE on SPJ.S#, UPDATE on SPJ.QTY p UPDATE on SPJ.QTY q UPDATE on S.CITY 9.5 a Accepted b Rejected (candidate key uniqueness violation) c Rejected (violates RESTRICT specification) d Accepted ... FORALL JX EXISTS SX ( SX.CITY = JX.CITY ) ; i CONSTRAINT I FORALL JX EXISTS SX EXISTS SPJX ( SX.CITY = JX.CITY AND SX.S# = SPJX.S# AND SPJX .J# = JX .J# ) ; j CONSTRAINT J EXISTS PX (...

Ngày tải lên: 06/08/2014, 01:21

... P.CITY ; 10 .18 .3 CREATE VIEW SP AS SELECT SPJ.S#, SPJ.P#, SUM ( SPJ.QTY ) AS QTY FROM SPJ GROUP BY SPJ.S#, SPJ.P# ; 10 .18 .4 CREATE VIEW JC AS SELECT J. J#, J. CITY FROM J WHERE J. J# IN ( SELECT ... former──but we must be clear And then does "inherently many -to- one" mean, specifically, a foreign-key -to- matching-candidate-key join, or are there other cases that are inherently ma...

Ngày tải lên: 06/08/2014, 01:21

... two 11 .12 The first step is to rewrite the given set such that every FD has a singleton right side: AB C BC ACD BE CE CE → → → → → → → C A D B C A F Copyright (c) 2003 C J Date page 11 .7 11 11 CF ... B, C, D appears on the right side of any of the given FDs, it follows that {A,B ,C, D} is a candidate key Copyright (c) 2003 C J Date page 11 .9 *** End of Chapter 11...

Ngày tải lên: 06/08/2014, 01:21

... Copyright (c) 20 03 C J Date 12 . 12 page However, JOB2A is a projection of SALHIST2 (see below), and JOB2B is a projection of EMP1 (renamed as EMP2 below), so both of these relvars can be discarded ... again • JS JOIN SP yields the spurious tuple (S1,P2 ,J2 ); there's no (P2 ,J2 ) tuple in PJ; hence the final result is SPJ once again Copyright (c) 20 03 C J Date page 13 .4 Th...

Ngày tải lên: 06/08/2014, 01:21

... SPJ { S#, P# } JOIN SPJ { P#, J# } JOIN SPJ { J# , S# } ; Calculus version: CONSTRAINT SPJ_JD SPJ = { SPJX.S#, SPJY.P#, SPJZ .J# } WHERE SPJX.P# = SPJY.P# AND SPJY .J# = SPJZ .J# AND SPJZ.S# = SPJX.S# ... CTX (algebraic version): Copyright (c) 20 03 C J Date page 13.8 CONSTRAINT CTX_MVD CTX = CTX { COURSE, TEACHER } JOIN CTX { COURSE, TEXT } ; Calculus version: CONSTRAINT CTX_MVD CTX...

Ngày tải lên: 06/08/2014, 01:21