[comp.databases] Corrections to "Principles of Distributed Database Systems"

mto@harvey.gte.com (Tamer Ozsu) (06/05/91)

I am not sure if this is the proper place to post this, but I thought
that it is the only way to get to all of those people who may have
purchased the first printing of our book "Principles of Distributed
Database Systems". If you are not one of those people, you can skip
this posting. 

After reading the printed version of the book and with the help of a
number of colleagues, we have managed to compile a list of errors in
the first printing. Some of these are simple typos, others are more
substantial errors. ALL OF THESE ARE BEING CORRECTED IN THE SECOND
PRINTING WHICH IS NOW ONGOING AND SHOULD BE AVAILABLE IN JULY.
However, for those who have the first printing, the following is a
postcript file that describes all the corrections.

If you cannot print the postscript file, email me you address and I'll
send you a hardcopy.

Sorry for the trouble that these errors may have caused. If you have
found out others, please let me know so we can correct them in later
editions.

==Tamer Ozsu

----------------------------cut here--------------------------------
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D E end
%%EndProlog
%%BeginSetup
%%Feature: *Resolution 300
TeXDict begin @letter /letter where {pop letter} if
%%EndSetup
%%Page: 1 1
bop 771 216 a Fl(Corrections)22 b(to)318 307 y(\\Principles)f(of)h
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173 y Fj(\))p Fh(;)16 b Fj(...\);)h(and)g(\(2\))g(at)g(the)h(end)f(of)g(the)g
(\014rst)h(line)f(of)f(that)h(de\014nition,)g(add)104 223 y(\\\()p
Fh(O)173 229 y Ff(2)191 223 y Fh(;)7 b(O)242 229 y Ff(4)260
223 y Fj(\))p Fh(;)p Fj(".)0 304 y Fi(P)o(age)15 b(268)21 b
Fj(In)16 b(the)i(second)f(sc)o(hedule)h(in)f(the)g(middle)e(of)h(the)h(page,)
g(mo)o(v)o(e)e(\\)p Fh(T)1298 310 y Ff(1)1333 304 y Fj(:)h(Commit")d(to)k
(immedia)o(tely)d(b)q(efore)104 354 y(\\)p Fh(T)149 360 y Ff(2)179
354 y Fj(:)f(Commit")104 420 y(Line)h(4)f(in)h(fo)q(otnote,)f(reference)j(to)
e(\\Example)e(10.6")h(should)g(b)q(e)i(to)e(\\Example)g(10.8".)0
501 y Fi(P)o(age)i(272)21 b Fj(Caption)13 b(of)g(Figure)h(10.3:)j(Change)d
(\\Kenellakis")f(to)h(\\Kanellakis".)0 583 y Fi(P)o(age)h(278)21
b Fj(Figure)14 b(11.1)e(should)i(b)q(e)g(replaced)h(b)o(y)f(the)g(follo)o
(wing:)1160 697 y Fb(.)1159 698 y(.)-10 b(.)1156 699 y(.)1154
700 y(.)1153 701 y(.)g(.)1150 702 y(.)1148 703 y(.)1147 704
y(.)g(.)1144 705 y(.)1142 706 y(.)1141 707 y(.)g(.)1138 708
y(.)1136 709 y(.)1135 710 y(.)g(.)1132 711 y(.)1130 712 y(.)1129
713 y(.)g(.)1126 714 y(.)1124 715 y(.)1123 716 y(.)g(.)1120
717 y(.)1118 718 y(.)1117 719 y(.)g(.)1114 720 y(.)1113 721
y(.)1111 722 y(.)h(.)1108 723 y(.)1107 724 y(.)1105 725 y(.)g(.)1102
726 y(.)1101 727 y(.)f(.)1098 728 y(.)1096 729 y(.)1095 730
y(.)g(.)1092 731 y(.)1090 732 y(.)1089 733 y(.)g(.)1086 734
y(.)1084 735 y(.)1083 736 y(.)g(.)1080 737 y(.)1078 738 y(.)1077
739 y(.)g(.)1074 740 y(.)1072 741 y(.)1071 742 y(.)g(.)1068
743 y(.)1066 744 y(.)1065 745 y(.)g(.)1062 746 y(.)1060 747
y(.)1059 748 y(.)h(.)1056 749 y(.)1055 750 y(.)1053 751 y(.)g(.)1050
752 y(.)1049 753 y(.)1047 754 y(.)g(.)1044 755 y(.)1043 756
y(.)f(.)1040 757 y(.)1038 758 y(.)1037 759 y(.)g(.)1034 760
y(.)1032 761 y(.)1031 762 y(.)g(.)1028 763 y(.)1026 764 y(.)1025
765 y(.)g(.)1022 766 y(.)1020 767 y(.)1019 768 y(.)g(.)1016
769 y(.)1014 770 y(.)1013 771 y(.)g(.)1010 772 y(.)1008 773
y(.)1007 774 y(.)g(.)1004 775 y(.)1003 776 y(.)1001 777 y(.)h(.)998
778 y(.)997 779 y(.)995 780 y(.)g(.)992 781 y(.)991 782 y(.)989
783 y(.)g(.)986 784 y(.)985 785 y(.)f(.)982 786 y(.)980 787
y(.)979 788 y(.)g(.)976 789 y(.)974 790 y(.)973 791 y(.)g(.)970
792 y(.)968 793 y(.)967 794 y(.)g(.)964 795 y(.)962 796 y(.)961
797 y(.)g(.)958 798 y(.)956 799 y(.)955 800 y(.)g(.)952 801
y(.)950 802 y(.)949 803 y(.)h(.)946 804 y(.)945 805 y(.)943
806 y(.)g(.)940 807 y(.)939 808 y(.)937 809 y(.)g(.)934 810
y(.)933 811 y(.)931 812 y(.)g(.)928 813 y(.)927 814 y(.)f(.)924
815 y(.)922 816 y(.)921 817 y(.)g(.)918 818 y(.)916 819 y(.)915
820 y(.)g(.)912 821 y(.)910 822 y(.)909 823 y(.)g(.)906 824
y(.)904 825 y(.)903 826 y(.)g(.)900 827 y(.)898 828 y(.)897
829 y(.)g(.)894 830 y(.)893 831 y(.)891 832 y(.)h(.)888 833
y(.)887 834 y(.)885 835 y(.)g(.)882 836 y(.)881 837 y(.)879
838 y(.)g(.)876 839 y(.)875 840 y(.)f(.)872 841 y(.)870 842
y(.)869 843 y(.)g(.)866 844 y(.)864 845 y(.)863 846 y(.)g(.)860
847 y(.)858 848 y(.)857 849 y(.)g(.)854 850 y(.)852 851 y(.)851
852 y(.)g(.)848 853 y(.)846 854 y(.)845 855 y(.)g(.)842 856
y(.)840 857 y(.)839 858 y(.)h(.)836 859 y(.)835 860 y(.)833
861 y(.)g(.)830 862 y(.)829 863 y(.)827 864 y(.)g(.)824 865
y(.)823 866 y(.)846 846 y(.)845 847 y(.)844 848 y(.)842 849
y(.)841 850 y(.)840 851 y(.)838 852 y(.)837 854 y(.)836 855
y(.)834 856 y(.)833 857 y(.)832 858 y(.)830 859 y(.)829 860
y(.)828 861 y(.)827 862 y(.)825 864 y(.)824 865 y(.)823 866
y(.)h(.)824 865 y(.)i(.)g(.)829 864 y(.)g(.)g(.)834 863 y(.)g(.)838
862 y(.)f(.)h(.)843 861 y(.)f(.)h(.)848 860 y(.)f(.)851 859
y(.)h(.)p 883 903 244 3 v 1093 911 a(.)1094 910 y(.)g(.)g(.)1099
909 y(.)g(.)1103 908 y(.)f(.)1106 907 y(.)h(.)f(.)1111 906
y(.)h(.)1114 905 y(.)g(.)g(.)1119 904 y(.)g(.)1123 903 y(.)e(.)e(.)g(.)1118
902 y(.)g(.)1114 901 y(.)h(.)1111 900 y(.)f(.)h(.)1106 899
y(.)f(.)1103 898 y(.)g(.)1099 897 y(.)h(.)f(.)1094 896 y(.)h(.)p
883 659 V 1093 667 a(.)i(.)1096 666 y(.)h(.)1099 665 y(.)g(.)g(.)1104
664 y(.)g(.)1108 663 y(.)f(.)1111 662 y(.)h(.)f(.)1116 661
y(.)h(.)1119 660 y(.)g(.)g(.)e(.)1121 659 y(.)e(.)1118 658
y(.)g(.)1114 657 y(.)h(.)f(.)1109 656 y(.)h(.)1106 655 y(.)f(.)h(.)1101
654 y(.)f(.)1098 653 y(.)g(.)1094 652 y(.)h(.)p 1257 1108 3
169 v 1246 1080 a(.)1247 1081 y(.)1247 1083 y(.)1248 1085 y(.)1248
1086 y(.)1248 1088 y(.)1249 1090 y(.)1249 1091 y(.)1250 1093
y(.)1250 1095 y(.)1251 1096 y(.)1251 1098 y(.)1251 1100 y(.)1252
1101 y(.)1252 1103 y(.)1253 1105 y(.)1253 1106 y(.)1253 1108
y(.)1254 1110 y(.)h(.)1254 1108 y(.)1255 1106 y(.)1255 1105
y(.)1256 1103 y(.)1256 1101 y(.)1256 1100 y(.)1257 1098 y(.)1257
1096 y(.)1258 1095 y(.)1258 1093 y(.)1258 1091 y(.)1259 1090
y(.)1259 1088 y(.)1260 1086 y(.)1260 1085 y(.)1260 1083 y(.)1261
1081 y(.)1261 1080 y(.)p 788 1108 V -491 w(.)778 1081 y(.)778
1083 y(.)779 1085 y(.)779 1086 y(.)780 1088 y(.)780 1090 y(.)781
1091 y(.)781 1093 y(.)781 1095 y(.)782 1096 y(.)782 1098 y(.)783
1100 y(.)783 1101 y(.)783 1103 y(.)784 1105 y(.)784 1106 y(.)785
1108 y(.)785 1110 y(.)g(.)786 1108 y(.)786 1106 y(.)786 1105
y(.)787 1103 y(.)787 1101 y(.)788 1100 y(.)788 1098 y(.)788
1096 y(.)789 1095 y(.)789 1093 y(.)790 1091 y(.)790 1090 y(.)791
1088 y(.)791 1086 y(.)791 1085 y(.)792 1083 y(.)792 1081 y(.)793
1080 y(.)p 1257 865 V 1246 836 a(.)1247 837 y(.)1247 839 y(.)1248
841 y(.)1248 842 y(.)1248 844 y(.)1249 846 y(.)1249 847 y(.)1250
849 y(.)1250 851 y(.)1251 852 y(.)1251 854 y(.)1251 856 y(.)1252
857 y(.)1252 859 y(.)1253 861 y(.)1253 862 y(.)1253 864 y(.)1254
866 y(.)g(.)1254 864 y(.)1255 862 y(.)1255 861 y(.)1256 859
y(.)1256 857 y(.)1256 856 y(.)1257 854 y(.)1257 852 y(.)1258
851 y(.)1258 849 y(.)1258 847 y(.)1259 846 y(.)1259 844 y(.)1260
842 y(.)1260 841 y(.)1260 839 y(.)1261 837 y(.)1261 836 y(.)p
788 865 V -491 w(.)778 837 y(.)778 839 y(.)779 841 y(.)779
842 y(.)780 844 y(.)780 846 y(.)781 847 y(.)781 849 y(.)781
851 y(.)782 852 y(.)782 854 y(.)783 856 y(.)783 857 y(.)783
859 y(.)784 861 y(.)784 862 y(.)785 864 y(.)785 866 y(.)g(.)786
864 y(.)786 862 y(.)786 861 y(.)787 859 y(.)787 857 y(.)788
856 y(.)788 854 y(.)788 852 y(.)789 851 y(.)789 849 y(.)790
847 y(.)790 846 y(.)791 844 y(.)791 842 y(.)791 841 y(.)792
839 y(.)792 837 y(.)793 836 y(.)1202 1165 y Fh(C)1232 1171
y Ff(2)733 1165 y Fh(C)763 1171 y Ff(1)1145 921 y Fh(W)1184
927 y Ff(2)1203 921 y Fj(\()p Fh(x)p Fj(\))-582 b Fh(W)716
927 y Ff(1)735 921 y Fj(\()p Fh(x)p Fj(\))1145 677 y Fh(R)1177
683 y Ff(2)1196 677 y Fj(\()p Fh(x)p Fj(\))-575 b Fh(R)709
683 y Ff(1)727 677 y Fj(\()p Fh(x)p Fj(\))0 1277 y Fi(P)o(age)15
b(280)21 b Fj(Three)15 b(corrections:)154 1358 y Fg(\017)20
b Fj(The)14 b(caption)g(of)f(Figure)h(11.3)f(should)h(read)g(\\Pre\014x)g(of)
g(Complete)f(Sc)o(hedule)h(in)g(Figure)g(11.2".)154 1423 y
Fg(\017)20 b Fj(In)14 b(Example)e(11.3:)17 b(De\014nition)c(of)h
Fh(S)i Fj(sho)o(ws)e Fh(W)963 1429 y Ff(1)982 1423 y Fj(\()p
Fh(x)p Fj(\))g(preceding)h Fh(R)1271 1429 y Ff(1)1289 1423
y Fj(\()p Fh(x)p Fj(\).)j(Their)c(order)h(should)f(b)q(e)g(rev)o(ersed.)154
1488 y Fg(\017)20 b Fj(In)14 b(Example)e(11.4:)17 b(De\014nition)c(of)h
Fh(S)791 1473 y Fd(0)817 1488 y Fj(should)g(b)q(e)g(revised)h(as)f(in)f
(Example)g(11.3.)0 1570 y Fi(P)o(age)i(281)21 b Fj(3rd)16 b(sen)o(tence)i(in)
e(the)h(second)g(paragraph)f(follo)o(wing)d(Example)i(11.5:)22
b(add)16 b(the)g(follo)o(wing)e(to)i(the)h(end)g(of)104 1620
y(the)d(sen)o(tence:)21 b(\\as)13 b(long)g(as)h(lo)q(cal)f(serialization)g
(orders)i(are)f(iden)o(tical.")0 1701 y Fi(P)o(age)h(285)21
b Fj(Figure)c(11.5:)24 b(The)18 b(heading)f(of)f(the)i(second)h(column)d(of)g
(compatibilit)o(y)e(mo)q(des)j(should)g(b)q(e)h Fh(w)q(l)1790
1707 y Fc(i)1804 1701 y Fj(\()p Fh(x)p Fj(\),)g(not)104 1751
y Fh(w)q(l)147 1757 y Fc(j)164 1751 y Fj(\()p Fh(x)p Fj(\).)104
1817 y(The)c(lab)q(el)f(of)h(the)g(\014rst)h(ro)o(w)f(should)f(b)q(e)i
Fh(r)781 1823 y Fc(j)798 1817 y Fj(\()p Fh(x)p Fj(\),)e(not)h
Fh(r)972 1823 y Fc(i)986 1817 y Fj(\()p Fh(x)p Fj(\).)0 1898
y Fi(P)o(age)h(286)21 b Fj(Line)13 b(7)h(from)e(the)j(top:)j(Change)13
b Fh(D)q(bO)q(p)h Fj(to)g Fh(D)q(bop)p Fj(.)0 1980 y Fi(P)o(age)h(288)21
b Fj(F)m(our)13 b(things:)154 2062 y Fg(\017)20 b Fj(Example)12
b(11.7:)17 b(Change)d Fh(T)645 2068 y Ff(2)678 2062 y Fj(b)o(y)g(inserting)g
(\\)p Fh(x)d Fg( )g Fh(x)e Fg(\003)g Fj(2")k(and)h(\\W)m(rite\()p
Fh(x)p Fj(\)")f(after)h(\\Read\()p Fh(x)p Fj(\)".)154 2127
y Fg(\017)20 b Fj(In)14 b(sc)o(hedule)h(S,)f(c)o(hange)g Fh(r)q(l)630
2133 y Ff(2)649 2127 y Fj(\()p Fh(x)p Fj(\))f(to)h Fh(w)q(l)812
2133 y Ff(2)831 2127 y Fj(\()p Fh(x)p Fj(\).)k(Insert)d Fh(W)1075
2133 y Ff(2)1094 2127 y Fj(\()p Fh(x)p Fj(\))f(follo)o(wing)d
Fh(R)1371 2133 y Ff(2)1389 2127 y Fj(\()p Fh(x)p Fj(\).)154
2192 y Fg(\017)20 b Fj(Third)13 b(line)g(of)f(the)i(last)f(paragraph)g(in)g
(that)g(example)f(should)h(read)h(\\...)i(either)e(102)f(and)g(38)f(if)h
Fh(T)1767 2198 y Ff(1)1799 2192 y Fj(executes)195 2241 y(b)q(efore)i
Fh(T)344 2247 y Ff(2)363 2241 y Fj(")154 2306 y Fg(\017)20
b Fj(F)m(ourth)14 b(line)f(of)h(the)g(last)g(paragraph)f(in)h(that)g(example)
e(should)i(read)g(\\...)j(or)d(101)f(and)h(39)f(...".)154 2371
y Fg(\017)20 b Fj(Fifth)13 b(line)h(of)f(the)i(last)e(paragraph)h(in)f(that)h
(example)f(should)g(read)i(\\...)i(v)n(alues)c(102)g(and)h(39)f(...")0
2453 y Fi(P)o(age)i(315)21 b Fj(Figure)14 b(11.6:)i(Change)e(the)h(lab)q(el)e
(on)h(no)q(de)g Fh(D)q(D)992 2459 y Ff(12)1042 2453 y Fj(to)g
Fh(D)q(D)1162 2459 y Ff(14)1198 2453 y Fj(.)0 2535 y Fi(P)o(age)h(341)21
b Fj(3rd)13 b(sen)o(tence)i(in)d(the)i(second)g(paragraph)f(in)f(the)i
(section)g Fi(Out-of-place)e(up)q(date)h(reco)o(v)o(ery)h(informa-)104
2584 y(tion)e Fj(\(starting)i(on)f(line)h(9)f(from)g(the)h(top)g(of)f(the)i
(page\))f(should)f(read:)104 2650 y(\\Th)o(us)g(ev)o(ery)g(time)f(an)h(up)q
(date)g(is)g(made,)e(the)j(old)e(stable)h(storage)g(page,)g(called)g(the)g
Fa(shadow)h(p)n(age)s Fj(,)g(is)e(left)h(in)o(tact)104 2700
y(and)g(a)h(new)g(page)g(with)g(the)g(up)q(dated)h(data)e(item)g(v)n(alues)h
(is)f(written)i(in)o(to)e(the)h(stable)h(database.")965 2825
y(4)p eop
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bop 0 42 a Fi(P)o(age)15 b(356)21 b Fj(A)14 b(n)o(um)o(b)q(er)f(of)g(c)o
(hanges)i(on)e(this)h(page:)154 123 y Fg(\017)20 b Fj(First)14
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187 y Fg(\017)20 b Fj(First)14 b(paragraph)f(of)g(the)h Fi(Presumed)f(ab)q
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(presumed)195 237 y(ab)q(ort)h(2PC)g(proto)q(col)g(the)g(follo)o(wing)e
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(inquired)g(b)o(y)f(a)195 287 y(prepared)g(participan)o(t)e(ab)q(out)g(a)g
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(virtual)g(storage)195 337 y(ab)q(out)j(it,)e(the)j(resp)q(onse)g(to)e(the)i
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b(w)o(orks)f(since)i(in)e(the)h(case)h(of)195 387 y(a)e(commi)o(t)d(the)k(co)
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f(all)f(participan)o(ts)i(ac)o(kno)o(wledge,)195 436 y(guaran)o(teeing)g
(that)g(they)g(will)f(no)g(longer)h(inquire)g(ab)q(out)f(this)h
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(the)h(ab)q(ort)f(record)195 551 y(is)g(not)g(forced,)g(the)h(reco)o(v)o(ery)
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(transaction,)g(in)g(whic)o(h)195 601 y(case)h(it)e(will)g(ask)h(the)g(co)q
(ordinator)g(and)g(will)e(b)q(e)j(told)e(to)h(ab)q(ort)g(it.")154
665 y Fg(\017)20 b Fj(The)e(last)e(line)h(of)f(the)i(last)e(paragraph)h(in)g
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(transactions)f(is)g(high"\).)154 780 y Fg(\017)20 b Fj(Replace)14
b(the)h(\014rst)f(paragraph)g(of)f Fi(Presumed)h(commit)g(2PC)i(proto)q(col)c
Fj(section)j(b)o(y)e(the)i(follo)o(wing:)195 837 y(\\The)c(presumed)h(ab)q
(ort)f(2PC)g(proto)q(col)g(impro)o(v)o(es)e(p)q(erformance)i(b)o(y)g
(forgetting)g(ab)q(out)g(transactions)g(once)h(a)195 887 y(decision)f(is)f
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(are)f(exp)q(ected)j(to)d(commit,)d(it)j(is)h(reasonable)195
937 y(to)20 b(exp)q(ect)h(that)f(it)g(ma)o(y)d(b)q(e)k(similarly)c(p)q
(ossible)j(to)f(impro)o(v)o(e)g(p)q(erformance)g(for)h(commits.)33
b(Hence)21 b(the)195 987 y(presumed)14 b(commit)d(2PC)j(proto)q(col.")0
1068 y Fi(P)o(age)h(365)21 b Fj(Figure)12 b(12.19:)k(The)e(state)f
(transition)g(diagram)d(on)j(the)g(left)g(b)q(elongs)g(to)f(the)i(\\Co)q
(ordinator")e(and)g(the)i(one)104 1118 y(on)f(the)i(righ)o(t)e(b)q(elongs)h
(to)g(the)h(\\P)o(articipan)o(t".)i(The)d(\014gure)g(should)g(b)q(e)h(so)f
(mark)o(ed.)0 1199 y Fi(P)o(age)h(372)21 b Fj(Figure)12 b(12.21:)k(The)e
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h(so)f(mark)o(ed.)0 1330 y Fi(P)o(age)h(373)21 b Fj(4th)13
b(line)h(from)e(the)i(b)q(ottom)f(of)g(the)i(page:)j(The)c(second)h(rule)f
(should)g(read)g Fh(V)1459 1336 y Fc(w)1498 1330 y Fh(>)e(V)5
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b(\\an)f(class")h(to)g(\\a)f(class".)0 1492 y Fi(P)o(age)i(454)21
b Fj(Figure)14 b(14.20:)i(Add)e(\\SP)p 629 1492 13 2 v 15 w(NAME")g(as)g(the)
h(last)e(attribute)i(of)e(the)i(RA)o(CE)e(relation.)0 1574
y Fi(P)o(age)i(454)21 b Fj(Replace)14 b(Figure)g(14.21)e(b)o(y)i(the)g(follo)
o(wing.)p 713 1781 106 3 v 1043 2321 90 3 v 278 2321 121 3
v 1279 1946 a Fb(.)1279 1944 y(.)1278 1943 y(.)1278 1941 y(.)1277
1940 y(.)1277 1938 y(.)1276 1936 y(.)1275 1935 y(.)1275 1933
y(.)1274 1932 y(.)1274 1930 y(.)1273 1929 y(.)1273 1927 y(.)1272
1925 y(.)1272 1924 y(.)1271 1922 y(.)1271 1921 y(.)1270 1919
y(.)1270 1917 y(.)1269 1916 y(.)1269 1914 y(.)1268 1913 y(.)1268
1911 y(.)1267 1909 y(.)1267 1908 y(.)1266 1906 y(.)1265 1905
y(.)1265 1903 y(.)1264 1902 y(.)1264 1900 y(.)1263 1898 y(.)1263
1897 y(.)1262 1895 y(.)1262 1894 y(.)1261 1892 y(.)1261 1890
y(.)1260 1889 y(.)1260 1887 y(.)1259 1886 y(.)1259 1884 y(.)1258
1882 y(.)1258 1881 y(.)1257 1879 y(.)1256 1878 y(.)1256 1876
y(.)1255 1875 y(.)1255 1873 y(.)1254 1871 y(.)1254 1870 y(.)1253
1868 y(.)1253 1867 y(.)1252 1865 y(.)1252 1863 y(.)1251 1862
y(.)1251 1860 y(.)1250 1859 y(.)1250 1857 y(.)1249 1855 y(.)1249
1854 y(.)1248 1852 y(.)1247 1851 y(.)1247 1849 y(.)1246 1848
y(.)1246 1846 y(.)1245 1844 y(.)1245 1843 y(.)1244 1841 y(.)1244
1840 y(.)1243 1838 y(.)1243 1836 y(.)1242 1835 y(.)1242 1833
y(.)1241 1832 y(.)1241 1830 y(.)1240 1828 y(.)1240 1827 y(.)1239
1825 y(.)1238 1824 y(.)1238 1822 y(.)1237 1821 y(.)1237 1819
y(.)1236 1817 y(.)1236 1816 y(.)1235 1814 y(.)1235 1813 y(.)1234
1811 y(.)1247 1832 y(.)1247 1830 y(.)1246 1829 y(.)1245 1827
y(.)1244 1826 y(.)1243 1824 y(.)1242 1823 y(.)1241 1821 y(.)1240
1820 y(.)1239 1818 y(.)1238 1817 y(.)1237 1815 y(.)1236 1814
y(.)1235 1812 y(.)1234 1811 y(.)-8 b(.)1234 1813 y(.)1234 1815
y(.)1235 1816 y(.)1235 1818 y(.)1235 1820 y(.)1235 1822 y(.)1235
1823 y(.)1235 1825 y(.)1235 1827 y(.)1236 1829 y(.)1236 1830
y(.)1236 1832 y(.)1236 1834 y(.)1236 1836 y(.)1369 2231 y(.)1369
2229 y(.)1368 2228 y(.)1368 2226 y(.)1367 2225 y(.)1367 2223
y(.)1366 2221 y(.)1366 2220 y(.)1365 2218 y(.)1364 2217 y(.)1364
2215 y(.)1363 2214 y(.)1363 2212 y(.)1362 2210 y(.)1362 2209
y(.)1361 2207 y(.)1361 2206 y(.)1360 2204 y(.)1360 2202 y(.)1359
2201 y(.)1359 2199 y(.)1358 2198 y(.)1358 2196 y(.)1357 2195
y(.)1357 2193 y(.)1356 2191 y(.)1356 2190 y(.)1355 2188 y(.)1354
2187 y(.)1354 2185 y(.)1353 2183 y(.)1353 2182 y(.)1352 2180
y(.)1352 2179 y(.)1351 2177 y(.)1351 2176 y(.)1350 2174 y(.)1350
2172 y(.)1349 2171 y(.)1349 2169 y(.)1348 2168 y(.)1348 2166
y(.)1347 2164 y(.)1347 2163 y(.)1346 2161 y(.)1345 2160 y(.)1345
2158 y(.)1344 2157 y(.)1344 2155 y(.)1343 2153 y(.)1343 2152
y(.)1342 2150 y(.)1342 2149 y(.)1341 2147 y(.)1341 2145 y(.)1340
2144 y(.)1340 2142 y(.)1339 2141 y(.)1339 2139 y(.)1338 2138
y(.)1338 2136 y(.)1337 2134 y(.)1336 2133 y(.)1336 2131 y(.)1335
2130 y(.)1335 2128 y(.)1334 2126 y(.)1334 2125 y(.)1333 2123
y(.)1333 2122 y(.)1332 2120 y(.)1332 2119 y(.)1331 2117 y(.)1331
2115 y(.)1330 2114 y(.)1330 2112 y(.)1329 2111 y(.)1329 2109
y(.)1328 2107 y(.)1328 2106 y(.)1327 2104 y(.)1326 2103 y(.)1326
2101 y(.)1325 2099 y(.)1325 2098 y(.)1324 2096 y(.)1324 2095
y(.)1323 2093 y(.)1323 2092 y(.)1322 2090 y(.)1322 2088 y(.)1321
2087 y(.)1321 2085 y(.)1320 2084 y(.)1320 2082 y(.)1319 2080
y(.)1319 2079 y(.)1318 2077 y(.)1317 2076 y(.)1317 2074 y(.)1316
2073 y(.)1316 2071 y(.)1315 2069 y(.)1315 2068 y(.)1314 2066
y(.)1314 2065 y(.)1313 2063 y(.)1313 2061 y(.)1312 2060 y(.)1312
2058 y(.)1311 2057 y(.)1311 2055 y(.)1310 2054 y(.)1310 2052
y(.)1309 2050 y(.)1308 2049 y(.)1308 2047 y(.)1307 2046 y(.)1307
2044 y(.)1306 2042 y(.)1306 2041 y(.)1305 2039 y(.)1305 2038
y(.)1304 2036 y(.)1304 2035 y(.)1303 2033 y(.)1303 2031 y(.)1302
2030 y(.)1302 2028 y(.)1301 2027 y(.)1301 2025 y(.)1300 2023
y(.)1300 2022 y(.)1299 2020 y(.)1298 2019 y(.)1298 2017 y(.)1297
2016 y(.)1297 2014 y(.)1296 2012 y(.)1296 2011 y(.)1295 2009
y(.)1295 2008 y(.)1294 2006 y(.)649 1946 y(.)650 1944 y(.)650
1943 y(.)650 1941 y(.)651 1940 y(.)651 1938 y(.)652 1936 y(.)652
1935 y(.)652 1933 y(.)653 1931 y(.)653 1930 y(.)654 1928 y(.)654
1927 y(.)654 1925 y(.)655 1923 y(.)655 1922 y(.)656 1920 y(.)656
1918 y(.)656 1917 y(.)657 1915 y(.)657 1914 y(.)658 1912 y(.)658
1910 y(.)658 1909 y(.)659 1907 y(.)659 1905 y(.)660 1904 y(.)660
1902 y(.)661 1901 y(.)661 1899 y(.)661 1897 y(.)662 1896 y(.)662
1894 y(.)663 1893 y(.)663 1891 y(.)663 1889 y(.)664 1888 y(.)664
1886 y(.)665 1884 y(.)665 1883 y(.)665 1881 y(.)666 1880 y(.)666
1878 y(.)667 1876 y(.)667 1875 y(.)667 1873 y(.)668 1871 y(.)668
1870 y(.)669 1868 y(.)669 1867 y(.)669 1865 y(.)670 1863 y(.)670
1862 y(.)671 1860 y(.)671 1858 y(.)671 1857 y(.)672 1855 y(.)672
1854 y(.)673 1852 y(.)673 1850 y(.)674 1849 y(.)674 1847 y(.)674
1845 y(.)675 1844 y(.)675 1842 y(.)676 1841 y(.)676 1839 y(.)676
1837 y(.)677 1836 y(.)677 1834 y(.)678 1833 y(.)678 1831 y(.)678
1829 y(.)679 1828 y(.)679 1826 y(.)679 1851 y(.)679 1849 y(.)679
1847 y(.)679 1845 y(.)679 1844 y(.)679 1842 y(.)679 1840 y(.)679
1838 y(.)679 1837 y(.)679 1835 y(.)679 1833 y(.)679 1831 y(.)679
1830 y(.)679 1828 y(.)679 1826 y(.)g(.)678 1828 y(.)678 1829
y(.)677 1831 y(.)676 1832 y(.)675 1834 y(.)674 1835 y(.)673
1837 y(.)673 1838 y(.)672 1840 y(.)671 1842 y(.)670 1843 y(.)669
1845 y(.)668 1846 y(.)668 1848 y(.)559 2231 y(.)560 2229 y(.)560
2228 y(.)561 2226 y(.)561 2225 y(.)562 2223 y(.)562 2221 y(.)563
2220 y(.)563 2218 y(.)564 2217 y(.)564 2215 y(.)565 2214 y(.)566
2212 y(.)566 2210 y(.)567 2209 y(.)567 2207 y(.)568 2206 y(.)568
2204 y(.)569 2202 y(.)569 2201 y(.)570 2199 y(.)570 2198 y(.)571
2196 y(.)571 2195 y(.)572 2193 y(.)572 2191 y(.)573 2190 y(.)573
2188 y(.)574 2187 y(.)575 2185 y(.)575 2183 y(.)576 2182 y(.)576
2180 y(.)577 2179 y(.)577 2177 y(.)578 2176 y(.)578 2174 y(.)579
2172 y(.)579 2171 y(.)580 2169 y(.)580 2168 y(.)581 2166 y(.)581
2164 y(.)582 2163 y(.)582 2161 y(.)583 2160 y(.)584 2158 y(.)584
2157 y(.)585 2155 y(.)585 2153 y(.)586 2152 y(.)586 2150 y(.)587
2149 y(.)587 2147 y(.)588 2145 y(.)588 2144 y(.)589 2142 y(.)589
2141 y(.)590 2139 y(.)590 2138 y(.)591 2136 y(.)591 2134 y(.)592
2133 y(.)592 2131 y(.)593 2130 y(.)594 2128 y(.)594 2126 y(.)595
2125 y(.)595 2123 y(.)596 2122 y(.)596 2120 y(.)597 2119 y(.)597
2117 y(.)598 2115 y(.)598 2114 y(.)599 2112 y(.)599 2111 y(.)600
2109 y(.)600 2107 y(.)601 2106 y(.)601 2104 y(.)602 2103 y(.)603
2101 y(.)603 2099 y(.)604 2098 y(.)604 2096 y(.)605 2095 y(.)605
2093 y(.)606 2092 y(.)606 2090 y(.)607 2088 y(.)607 2087 y(.)608
2085 y(.)608 2084 y(.)609 2082 y(.)609 2080 y(.)610 2079 y(.)610
2077 y(.)611 2076 y(.)612 2074 y(.)612 2073 y(.)613 2071 y(.)613
2069 y(.)614 2068 y(.)614 2066 y(.)615 2065 y(.)615 2063 y(.)616
2061 y(.)616 2060 y(.)617 2058 y(.)617 2057 y(.)618 2055 y(.)618
2054 y(.)619 2052 y(.)619 2050 y(.)620 2049 y(.)620 2047 y(.)621
2046 y(.)622 2044 y(.)622 2042 y(.)623 2041 y(.)623 2039 y(.)624
2038 y(.)624 2036 y(.)625 2035 y(.)625 2033 y(.)626 2031 y(.)626
2030 y(.)627 2028 y(.)627 2027 y(.)628 2025 y(.)628 2023 y(.)629
2022 y(.)629 2020 y(.)630 2019 y(.)631 2017 y(.)631 2016 y(.)632
2014 y(.)632 2012 y(.)633 2011 y(.)633 2009 y(.)634 2008 y(.)634
2006 y(.)p 1177 1810 3 121 v 922 1810 V 652 1810 V 487 1811
903 3 v 487 1691 V 487 1811 3 123 v 1387 1811 V 247 2351 693
3 v 247 2231 V 247 2351 3 123 v 937 2351 V 457 2350 3 121 v
712 2350 V 1462 2350 V 1207 2350 V 982 2351 693 3 v 982 2231
V 982 2351 3 123 v 1672 2351 V 263 2200 a Fj(LICENSEE)293 2305
y(NAME)67 b(PHONE)p 640 2305 13 2 v 16 w(NO)41 b(ADDRESS)520
b(MINISTR)m(Y)-406 b(HEAD)-362 b(DEPT)998 2200 y(GO)o(V)p 1095
2200 V 15 w(A)o(GENCY)1223 1990 y(GO)o(V)p 1320 1990 V 15 w(RA)o(CE)-874
b(LIC)p 651 1990 V 15 w(RA)o(CE)1238 1765 y(COST)-385 b(GO)o(V)p
1065 1765 V 15 w(DEPT)-483 b(LIC)p 786 1765 V 15 w(NO)488 1660
y(RA)o(CE)p 609 1660 V 15 w(LIC)518 1765 y(NAME)0 2456 y Fi(P)o(age)15
b(455)21 b Fj(3rd)13 b(line)h(follo)o(wing)d(Figure)j(14.22:)j(\\L)p
841 2456 V 14 w(ID")d(should)f(read)i(\\LIC)p 1253 2456 V 14
w(NO".)0 2538 y Fi(P)o(age)g(478)21 b Fj(First)14 b(line)f(of)g(item)g(3:)18
b(\\Materialization")12 b(is)i(missp)q(elled.)0 2619 y Fi(P)o(age)h(496)21
b Fj(4th)13 b(line)h(from)e(the)i(top)g(should)g(b)q(e)g(\()p
Fh(i)822 2625 y Ff(4)841 2619 y Fh(;)7 b Fg(f)p Fj(1)p Fh(;)g
Fj(2)p Fh(;)g Fj(3)p Fg(g)p Fj(\).)0 2700 y Fi(P)o(age)15 b(502)21
b Fj(4th)13 b(line)h(from)e(the)i(top:)k(Change)c Fh(s)789
2706 y Ff(1)822 2700 y Fj(to)g Fh(s)892 2706 y Ff(3)911 2700
y Fj(.)965 2825 y(5)p eop
%%Page: 6 6
bop 0 42 a Fi(P)o(age)15 b(508)21 b Fj(The)e(last)f(sen)o(tence)j(of)d(the)i
(last)e(full)g(paragraph:)27 b(Change)19 b(reference)i([Straub)q(e)e(and)1663
31 y(\177)1658 42 y(Ozsu,)h(1989a])d(to)104 91 y([Straub)q(e)d(and)358
81 y(\177)352 91 y(Ozsu,)g(1990a].)104 158 y(Delete)g(reference)j([Straub)q
(e)d(and)660 147 y(\177)655 158 y(Ozsu,)g(1989b].)0 241 y Fi(P)o(age)h(517)21
b Fj(Three)15 b(corrections:)154 332 y Fg(\017)20 b Fj(Line)e(4)f(of)g(the)h
(last)f(paragraph)g(b)q(efore)h(Exercises:)27 b(Change)18 b(reference)i
([Straub)q(e)e(and)1664 322 y(\177)1658 332 y(Ozsu,)h(1989b])d(to)195
382 y([Straub)q(e)e(and)449 371 y(\177)443 382 y(Ozsu,)h(1990a].)154
448 y Fg(\017)20 b Fj(Add)14 b(reference)j([Straub)q(e)d(and)714
438 y(\177)709 448 y(Ozsu,)g(1990b])f(follo)o(wing)e(reference)16
b([Straub)q(e)e(and)1559 438 y(\177)1553 448 y(Ozsu,)h(1990a].)154
515 y Fg(\017)20 b Fj(Change)14 b(reference)i([Straub)q(e)f(and)773
504 y(\177)767 515 y(Ozsu,)g(1990])d(to)i([Straub)q(e)g(and)1296
504 y(\177)1290 515 y(Ozsu,)h(1989].)0 606 y Fi(P)o(age)g(522)21
b Fj(A)o(t)13 b(the)i(end)f(of)g(reference)i([Bark)o(er)e(and)874
596 y(\177)868 606 y(Ozsu,)h(1990])d(add)i(\\pp.)j(282{288".)0
689 y Fi(P)o(age)e(545)21 b Fj(Reference)d([Sc)o(holl)e(and)h(Sc)o(hek,)g
(1990]:)23 b(Change)17 b(the)g(\\Unpublished)g(man)o(uscript")f(designation)g
(to)h(\\In)104 739 y Fa(Pr)n(o)n(c.)k(3r)n(d)15 b(Int.)22 b(Conf.)f(on)16
b(Datab)n(ase)g(The)n(ory)p Fj(,)f(S.)f(Abiteb)q(oul)h(and)f(P)m(.C.)g
(Kanellakis)g(\(eds.\),)h(Berlin:)20 b(Springer-)104 789 y(V)m(erlag,)13
b(1990,)f(pp.)18 b(89{105".)104 855 y(Mo)o(v)o(e)13 b(this)h(reference)j(to)d
(after)g([Sc)o(hneiderman)f(and)g(Thomas,)f(1982].)0 938 y
Fi(P)o(age)j(548)21 b Fj(Corrections)14 b(to)g(the)h(bibliograph)o(y:)154
1029 y Fg(\017)20 b Fj(Change)14 b(reference)i([Straub)q(e)f(and)773
1019 y(\177)767 1029 y(Ozsu,)g(1990])d(as)i(follo)o(ws:)195
1088 y([Straub)q(e)21 b(and)462 1077 y(\177)457 1088 y(Ozsu,)i(1990a])c(D.D.)
g(Straub)q(e)i(and)g(M.T.)1191 1077 y(\177)1186 1088 y(Ozsu.)39
b(Queries)22 b(and)f(Query)g(Pro)q(cessing)h(in)195 1137 y(Ob)r(ject-Orien)o
(ted)16 b(Database)e(Systems,)f Fa(A)o(CM)i(T)m(r)n(ans.)j(on)e(Inf.)i(Syst.)
h Fj(\(Octob)q(er)c(1990\),)e(8\(4\):)18 b(387{430.)154 1204
y Fg(\017)i Fj(The)14 b(next)h(reference)h([Straub)q(e)e(and)802
1193 y(\177)796 1204 y(Ozsu,)h(1989a])d(should)i(read)g(as)g(follo)o(ws:)195
1262 y([Straub)q(e)h(and)451 1251 y(\177)445 1262 y(Ozsu,)h(1990b])d(D.D.)g
(Straub)q(e)j(and)e(M.T.)1145 1251 y(\177)1139 1262 y(Ozsu.)22
b Fa(A)n(c)n(c)n(ess)15 b(Plan)h(Gener)n(ation)g(for)f(an)h(Obje)n(ct)195
1312 y(A)o(lgebr)n(a)s Fj(,)e(T)m(ec)o(hnical)h(Rep)q(ort)h(TR)e(90{20,)g
(Departmen)o(t)h(of)f(Computing)f(Science,)j(Univ)o(ersit)o(y)f(of)g(Alb)q
(erta,)195 1362 y(Edmon)o(ton,)d(Alb)q(erta,)i(Canada,)f(June)h(1990.)154
1428 y Fg(\017)20 b Fj(The)14 b(next)h(reference)h(should)e(b)q(e)g([Straub)q
(e)h(and)990 1417 y(\177)984 1428 y(Ozsu,)g(1989])d(\(i.e.,)h(delete)i(the)f
(\\b")g(after)g(1989\).)965 2825 y(6)p eop
%%Trailer
end
userdict /end-hook known{end-hook}if
%%EOF

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M. Tamer Ozsu				Telephone:	(617) 466-2098	
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