CERN? JGNZ MKS

EELOBEL

cg me Ms

RELATMNAL PATA WMS

\•3»OCR Output

we main •·•¤¤2. is 1wuuiu6· ou SEPTEMBER to OCR Output

"¤’\·\E wA¢»¤N n¤8 is TYESD To TRMU UMZEvents

wA6·¤N’s

NUMER , AND 1+ is CUMPOSEJ \•JiTH MMI

A mAh: can Bt AOENTWWED BY A 1’l2AiN'

DATA ?R¤P£R‘\’i£,$

N’ savrzmnen •¤

RE TRM!] *4002 is SCHESULEJ GN UNE 'I¤

THQ ¢‘.¤PAu‘ry ot THL wAG·0N' Hol IS IS

wkécus Hou , no!

THE ·rzAN éeonz, is comvzsscv MATH we

ELEMENTARY FMTS

iNF¤RNATf¤N SYSTEM

Fk¢`\’$ , 'DNYA PRGPBRWES _'iV£N1’$ gy Mr

OF THE KN¤Ul»ED6·E ABOUT ELEMENTAR

A EATA mss. is AN wrunvnarariov

WHT as A `DHA MSE.

DMA Mcyén,. OCR Output

EVENVS

)€$¢00R$€DATA VWPERTYESLLNWEESE ¤FEmmafggy VAN.;

u.sER NEEDS

KN} To EXTRAQT AFTER WHAT AN END.on `Pl·\Y$i¢A\» PEWCES TONS KNUDLEDGEmw is ir vassirm. Tb evan:

UDRLD OCR Output

BEL QF RtM.\ (AB$TRO¢T€0IJ}

QBTEQTS

RELNHQNS 6R A$$¤<’.;M’i0N5 BETWEENPATA ¤B»1'Ec.·r$

ELEMENTA Ry SENTENCBES

Swvaucas

imven Martens

REAL NORLB

Vein.! OCR Output

Tyres ov umn: 1·ggr_,im,(,g·M6., i~·ra¤·w.A‘vi¤u or aivszzcuv

4"" Gtwannraou

v.aum¤nm. sysrwWW · *4%3* smzawriaor

sm uawonx

Mc .. www ‘¤¤·'¥•~ MSE swan » uisznzcmmnZ" Gcuznnvfou

me\q$·¤.. me mi $Y$TEM; zaemm

4** sawanarionv

we smc ns aisrny cr mm moansTaz uisvony or umn am sysrzn is

TBR

IQY0 4- ADA OCR Output

QL. , QB; -»

SYSTEMRJ iNCvRE$ —>*‘\}6’».»- Fkowa

4- ELA°*“Y*- nz.·rA·rf¤•£»No 4- vnscm.P°€@%T€ -•

‘.·AL6¤¢.6%

|'M$NGS 4- 'PL A

4- APL.MARK 1}D$TDMS

Neo A- ¤.i5v,A¤.¢»¤¤.

. Access He.H••ds4- C¤B¤LISAM

NSS Q- ¥0R1’RMT

4.. ASSEMBLY LANGUAGEOCR OutputI/c

•*\5¤ 4- cout.

Acwuuf OCR Output

TM5 A was; VA RFETY QF HP`PL;(AT(5pi5 3Nfc

.?E.0\NOE AMET•\¤D¤L¤6tC%L APPRGAM-k

UWPEOVE KNTYGRWY HMB QNFKDENWRLKT

¤?TiMi2.E. Access smnresy wz mm 5;,;;

VRMIYDE \·NG\·\ LEVEL LANGUAGE

\M?RavE ?A‘|’A WDEPENb[N¢£

3ATA SCHEMA EASY To USE

DNA BASE SYSTEM

°°N*'*" Aki WE éoous ov kaurrfonm.

VRRIABLEQ OCR Output

A ?REbicA‘\"€.

B•.>¢b¤€N6· A V£b¢\T{¤U is EQUWNLENT To FEFCNG,

RE \·¤A0iND·b¢:T€ is °\€¤$ K0

an em •¤¤a.Fun ‘MA¢sa€u.aT1: A¤q.v:' Ann‘‘‘°

we eosromzo. o.¤•saws ‘u¤‘ has or'qa:¤L:••..·.‘'

9oMMN'“’

Tuwa

um. | ·a¤ Im: ¤¤~¤¤¤·vi••F|¤-mrs I\¤¢.=¢••·¤ II un

°°_d |4¤$¤U·I¢I GQ |*$¤°$¥¤

6·¤¤DS:’,%:Tg““|Si'BHo# ISTATNNDEPARTURE ARRNAL £AR.N\|H}T\]P€•0’•‘• R- • IX" "|wu“rI)`nQSNPMENT

NTRKYQHNQME

OCR OutputR€¤\‘?i0N NAME

inamuucTwwusa

L _ rm >’W}'?:•EZt€tSMA usttus OCR Output

Nmapex

_ mcruw6 mem" • Xx a `·agus

_ I•\0•|T'€uMAR,Auéounzng{$*,655

·Poi1‘I£1zs { * Hkbiliti.'/' aq mnm

no M 21 ~:-•g__gg__ J “ERW‘;“:°'**—Q-. _/·’ %“CD'] g\mn

*¤ S

·¤x1‘;?{ wmfzs

;piS¤•I

vstis

Las havana: OCR Output+¤u.r.sLx:pewsUs

un +¤u·.shc sawmwv

4MM;L \¤

uc nuns

Numan l__s;‘g13UNE WHISTLE- I STATION

LINE.

`*'owbu\¢ I btlitfé Ipzzhfs I \,3¤

b¢VdAw¥ I EWQYS |+¤u.Gu·S¢| \Z|hw; b¢·u.'u·s IBerde.¤n.x I L xs

Nur}GMQWS I Btzisfs UG

$ThT€¤N I$`\'RTYOND£?Afl‘|'UR€,•| ARR} VM- |N€X‘I1$TA ‘ _ TN

NETWORK

RE•A‘W¤NS MN M¤DELiLED GRAPR

11

us b¤rde.¤u.x3 OCR Output·l·¤u.r.sU6 é

U6

u¤ I5 +¤¤.rshc $u.a.·mu»•*

¢·•~s»¤’sLlc

no.u.|.’c§

Numan I$'\'¤?/\j`§Liu:. w`uis11.;>~ ‘:g- • ;4· An°LNE.

ifoubuse J I\\¤¤-len bezfcnsl I E Llc

\•¤vdm.¤\l§ bwevs § Ii+¤¤<»¤.:J| Q \z•

+¤m \·¤•.m il l§\¤···¤·.».»»`*| W5

Llcavmvs Wb•a.&•.r.s

twugggg|STATTON $Th‘\’¢¤NDEPARWR£•AR2WM· |N€X'|1$TMf•§ Liga,

UEWGRK

on sv Asseeiwrtvivy ov smwas

`DNVA ARE R§PQ£S2NTE.b BV RELAHGM

in A tzauawicnau Noam. Link Ba1·w€EM

RE\A‘\7`0N$ MN MDEULEJ GRAPE

Psavwazw NATA

‘T¤ E$‘\’P·P.;\.(.$\·\ TUE `R(G%'I' ¢¤NNE<'|'f¤N

RGLE O? TEE ‘.DA'\’A HANRPULATMII \.MJG·0A6E

DEPENDS QN THE RSER NEEDS. `\TiS THF.

T|»\$ UTFLEZATWN OF TMS h$$<>CCAT€0U

\3 OCR Output

uga \\¤o»\¢•v·\ 5*5 \ \¤¤¢¢A \ Y"' OCR Output

mM%‘R·\_NPa&*’~• CHQ- ` ° Q] I TAQE \c.A9A¤‘\"I \ SYATF. \S‘\'¤m¤

CAR

Hoo!. \I¤*•

Acc?. wo!.

NUMBER NUMBERmm u .. cm .raniu

M5! LFS \2· ob '¢¤moz.

U¤ r2. os Sonunrstk luumatnTum. LNG. · DAY

TRAFFM

GRE ATER. WAN THE UEUGHT ei? G·¢¤D$ OCR Output

2. Tut can u»u<c¤·\ s.e+iP5 é·•>¤1>s was A can vwivg

TRNU is NE¢$$SM'LV LOAJED

\. TID; $‘\’A.TE UF A CAR w |I·¥¢•+(.$ HE) Tb A

INTBGRI TY CUNSTULMNTS

srsviau)¢%R(¢¢\0.· NUMBER , CAR JN PE ,T%RE , QGPRCJTY ,STA»T _—WEE! QTRAKILNUMER , CAR. NUMBER)

, M] )TR¢·\FF(C (`\°QAW.MUMBERi L{NE.-NUH($ERV»..~— ( LNB- uummtk, IUINSTLE .STOP, STATMM

NEXT. STATMN __ Li NE -NOMBER)

NETWURK (DEPARTURE ..$\’AT€oN, ARRNAL ·$TAT•`¤N

w:mvr,x¤A*¤\us.¤ATz )

nnnivnu. sfsrton , c.A¤.-uum ,·r~;vz -¤ v.¢»¤¤¤s , ·

S \·&iPMENT( ¢0$\72MU2.UAME . `DEPAl1’UR.E,.$TATt`¤U

RE\AT(0NAL SCHEME,

(HIGH WT¢R.R¢'l’€Vi`\’Y OCR OutputRELATKON w`•1'•·\¤uT cousins THE SQSTEMA COLUMN W A RELATWQAI Ok A Ntw

?0$si!$iL\?Y To Ahh AT ANY 'NME

uriuzartau ar umn neva:. Lanecaaa

OGNGEFTS (JRE `YONTERS . ORDER . h¢CE8$

THERE TS NQ USE HI THESCHEMH GF

ARE STORE) GN `PA·YS|€AL .b`EW¢E$

THE HSER DOE$ NOT I<N¤¤3 HOU THE DATA

THE SCHENA T5 A TABLE GF VALVES

EN RELATKON AL $YSTEM

UW DATA SNQEPENQENW KS IHPMOED

YQRM OCR Output

AP\’L\¢ATl°¤U$ MQUELY `FACiLi'I’fES wi'\’\-\ Visum,nuswass • $‘~"··

•RE|·\·`\’f0NA&. CALQJLUSFéow A1" `D NMS

. RELATKONAL ALGEBRA

MUL`?€?LE TYPE': QF LANGUAGE

ANTQ DEEQ CFNE QYSTEM OCR Output

BETLQEEN i?€LA'i'¥©\}%·L SYSTEMS

AME $iMi\.9•R\'T’i€$

RELATEONM. LQNGUAGE.Fwuparimis as

.DiFFERE•l¢£OCR Output

, union!

- Gbiw

.. $Ee.Sc?€¤•¤

.. ?R¤J£c.‘r•`cN

Q5bATiWS ANS 6‘PERA'i’©E.% ARS.

EAPQESSWN WHERE THE. OPERAUDS AP.;

A RELAWGNAL ALGEBRG EXPRESSWU `i$ AN

RELP¢`\’i0NA\·. ALGEBRH.

M 03 $0 OCR Output

GH : TRMN NUMBER MH;} LEWES TW¢·S W}

T¤u•z$' s1’A‘r•°¤N

QS ; UNE NUMQER wl-Nth! STARTS '¢2¤M THE

az ¤ Lis? ¤¤= TYPE or QAR iu Tas. ruin mozany ¢v.s,e, in ‘r¤u¤.s' sm-ricaAN]: THE CHPHQXTY GREATER '\"\-HW \0 T

G4: LIST OT CAR SUCH THE TYPE {S TANKER

QUERTES

CAR

cnvndwwnuuoan

NON

NUMRERCNR- ` I mpww

CHR [¢AR..N0 MBER _, ¢APA¢i'|’*]`]

¤F cuumr

R€$TRj QTMN wr A RELA‘¥’€©OF QM A LI`$°I`°

?m:»’Ec:i‘€¤M’

2.I OCR Output

CNR OCR Output

any swrz a ‘¢2=¢’ my smriou étqmisCHR: ¢AR.T\(PE: °T'A•1kER AND CAPA¢€T'*/zlo

SM`{$F‘[ gg (ouqZT€oMAL E&'P0.£$5•`OM'SELEQTENG T0 PLE.S G? A TZFLRTWN w§H`€.H

Sznicrricu

Z2;

em me

c¤.¤.•a··\’•.•.iW

qw; OCR Output•5"°'* EMM} 5 l¤¤.d¢A.| Puig

R

_ · U C ‘ _ TMlE\¢APMA1’\[ I STHTE |SfB'H¤I.I

cm u- Tnhihl

ERG·€aB6· Two RE\.A?i¤N$

5"oiaf

Z3

(,t..,t;.,.. ,b,,j is aferm. OCR Output

•. -v.v.¢·.h`on Wm{ jrb: il·t·;,,., ¤.V¢`\’¢Ym$ Mods ,,,,h,

an TermS

Z $*jm€•($ ¤{ (¤k$had’ aud V4T;4k‘¢$

TERMS

.QUAN‘\';F€¢AT¤R$ x ·'J ,B9PEzRTOR$ % A lv, -1 ’ .,

¢il¤ce»G. comfwxs +¤ v¤tu.¢s.b•wVM.$ e. hvoptihé wha ue,4. pndicak is a. scufmce. which

»___ é_ ?•Q g ?(1•\ gxhw a:|\B•••,vzz¤i<.n1·si-<==> . *·<’·%)»5.;, s. BMCUWS

a": L3"'. vnumxas

••|

• W }

svnmns

OCR OutputOCR OutputOCR Output`YREVKOAT CALCULOS

QN%•81’iFi OCR Output

¢w$E Foxnenh : AU. THE. VA8.{A$\.€5 AREEMSY9 $0ME wwaé-rims: veainmcsABRMULA is MI5 0PEN Y-T¤RMuLA EF TIER!

TWERE is NQ oTHER RULESFt) is alsa. qormutq,

@ 1-L“,_`\{· Fl is 4·}¤rmul•.37¤.F\ an {avmwle.

V¢.Y\`¢k\¢ of F1 ,1*Lu, Q-; E. mnt AQ: \f FI isc. ·§¤vmu.Ia,,¢hd 7: cufn

mu ·F•mu.la.RAFL EVE; F4-! Ft. ‘\F4

5 z nf W F4 4mL 'Fb ave -}¤rmu|a. +(•¢kYN I ?JA. 4.{°¤M‘¢» f¤N'0\&ld» is G. 'gfmklq,

F¤RMuLA

am akemfc formal;af:. Terms , 'H\¢·\n Y{l’•,l'g,,.. ,\‘:••}

T5: H Pis a. pr¢¢·l€ca.1',a,g¤( 1-,’{·,_’___’ gk

GTGMWG QRMULA

Z8

WHERE ML THE vennumts AR'!. ·r2u€OCR Output

A M¤»c•. is an iu1*am>aa·r¤·r•‘¤M2. MoDEL

CDR SUCH TRB BRMUM is TRUE [_@vEK2%!)FREE vnainmzs is Ta DETERMWE A IELATFGRV

•E\lALU%TE. MJ GPEN WRMULA 761: w\T\! KS TRUE QR N0? QF {5 QN ENTEGREW €.®MSTR@€@$

RNTEBPRETATEGN is To ¢.\-%$<.\< TF THE F¤RMUI.$

• EVHLUATE A NAND RRMULA FG? MER AMown SS

, To EAU! PNEMCMT S‘|M6¤L A· RELATEOM

To EAM-\ `FUN¢.TioN° A FUNCTEON ·b'-·>`P

D? `D

.‘\'¤ HCR CONSTANT $*IM|%0L IW ELEMENT

Auacnft

Tc UEFWE AN KNTERPRETIIWGOT \|a•) MUST

ser cv nnmvms

LET jb A DoMMN GF VALUES MID'; A

WTE? PRE. TRTEQM

WTE? PQETRTWN AN9 M¤§€L

MRM C»\·MSE. ·m•4. . OCR Output

A4 Mi) M. Ang is No'? Tzdr all 84,2;,... ,·:c4,,

••Mu>

B\ on Bb •w..... is ·rzv£.

• h¢¤

154 oRB,,.,.. isfnvt °•¢ A4 Aw9A•,....®I W gq"4• `gk

M£A•l`•N6» OF A @43 VSE.cwowwirieg.

•M.L Tat vnniowfw-Es me uwiv£¤sA¢.•.

•$ mt coucwsTi¤NsI Ana co•J9¤·riow$

`

. A; Au Bj ARE Pnzmcxrswutkz. =

_"Bx,,____ ,,3* ,,..A4AA;,1»... AM;Nomfiod

,_ ums; is A s?€ciAL vonnvm wi‘rH SPN-(

CLMDSE

So

WRT0 ELLES

EFENKTWNS IDF- 'RELATWMS

Q. } OCR OutputGRGNDQRRENT hwg-) 4- 'PARENT @¢• LBAPA RE M12;w,)vMzEu1‘(·:,•p•- PERF. (m

`PAREuT(‘x,}\4-— HERE (wa,HALE (vt.} e- PEREL1;Panama Q:) 4- HERE (mg)

}4..."PR.W€E$$E( h4h.m¤w£a`§€EU (apmwzu)4.'DFEU 4-·`DWU UMM.§4‘p| E0 ( zw.s\ 4..Yana (mn) éaowz SM) (_ I ELEMENTH RESPERE (mmm, AMM¢&· )<—

FMTSHERE (¤.`•l•.\¤0diG, ‘•v¤m¤ui¤] 4..f

PERE (ww , hw»m¤~g'¤94

E¤E( ;,e.•.•.s , ¤.nes)<-·

'LEUS ESV L5 ‘?€¢E DE. ARES

1-w.¤in(¢•m. » N OCR Outputmgwwcix és w I it ) 4`W F} ¢’

GRANDPA (zum . `\4Y'M¤W;d

n. cum or 2505

OCR Outputquam; F@QM%·LiZ@T`¥©N

23

S¤¤?~M‘€ WN MR SYSTEM OCR Output

T\\·¢$ {DLA MS BEEN WN'|’R¤D0¢‘.£B BY THE

Basic. wusrzucriouz Qumrtgnrion smc

WHERE < CcNDK1'\`ONAL EXPRESSION)

FROM ( *RELAT€¤N )

SELECT <ATTR.iB¤TE>

SEQUEL

¢R¤M ¢%`R OCR Output

$€LE¢T UN(QUE. CAR.?/P}.

CARFm M

$€\.E¢T cnn.wv€.

STGTWH : °‘|"¤0RS

HUBSTATE ; 'FRLZ

ArabCAPACITY z to

bb IIE RE. ¢AR.TyPE : "\’ANKER' AND

VR0 M CAR

$ELEC|' cAR JWMBER , C.APR¢[n'\’

%$

MHERE TRAW. NOMBER : LIOQZ! OCR Output

Freom TRMN

§El·E¢'\’¢.AR..NOMBER___ _ _ __ __ -.

WHERE ¢AR-N00;\BE¥$i

FROM CAR

SELEUY UNEQUE C.AR.‘|"/PE

quam; Q2-.

36

Mew: Ima OCR Output

mum D24};4 i1·wg§I>f.

¤¤- . bL‘f2|°2`¥3"" ”'“‘°UNF.

• to |·|€$Tl€I.SToR < Y. (•.>lH$TLE.$T¤P

AND

X . LWEJIUMBER s Y• L{NE-NOM§§R

WHERE x . swriou = 'v¤ocs' my

FRGM LWN! X (JUNE Y

ELECT X . UNE- NUMBER

Quany @3

EKPRESSWN OFQZ

LiNE-NOMBER :

HERE. MY : l¤o'$*I¤ ANDPROM TRAFP€&

SELEQT T¢AN-II•JMBF.R

Gwzky QA

38 OCR Output

TRAFFM. |uuM¤cR\NuMB€Q OCR OutputWAN. uint- nw

Liu! IuuM¤$¤Rls:r¤PLiu;- .wwisTLE|svA1’€¤N

CAR |¤¤•¤sa¤\*v?¤um- cm!. |·rAR£ |cAmciT1Is'm‘rr.. |SrnT€¤¢~F

Tmm |MuMA\=.R|u¤wm£Rmmm- .cAw..

QUERY BY EXAMPLE.

3%

TQM=\=¤c. |uuM¤cnIuuM¤€Q·p;_g,w. L€NE· |bAY

LINE |u•.•MMRIs:r¤PLiu;- |wuisTtE\srA1’f¤N

Mwst 7I¤ I FR€.£ I To oils

CAR |uuM¤zRI"’V??um. |CAR- |·rARE. ICAMGTYISTATL \SmT€0•sr

-I-gqm |NuMPsER|NOMtsERrrmw. .cAn.·

Qugny BY EXGMPLE.