Unit 4 Database Design & Development-2022

 

GDPO ZDFPGIDF GDPOZDF PGIDFH H ^NLIIH IA EFDFCOEODP FD@ FD@ PONLDIHICW PONLDIHI CW  MFPLEFD@_, DORFH

Vufhgagnftgid

_dgt Duejor & Pgtho L/16?/61:: „ _dgt 0; @ftfjfso @osgcd & @ovohipeodt ^ystoes Fssossir Dfeo

JPON LD@ GD NIER_PGDC ^tu`odt Dfeo

@lfdfkfyf Mfaho Fssgcdeodt Hfudnl @fto

@uo @fto

6> Efy :2:6

6: Kuhy :2::

^ossgid/Wofr Fssgcdeodt Pgtho

:2:6/:2::

Niephotgid @fto

Fssgcdeodt Duejor

6/6

Qolgnhos Efdfcoeodt ^ystoe

Fssgcdeodt sujegssgid aireft

Ofnl stu`odt lfs ti sujegt tlogr fssgcdeodt fs cug`o` gd tlo fssgcdeodt jrgoa. Plo stu`odts fro cug`o` wlft sirt ia gdaireftgid gs ti pri`uno ti eoot tlo nrgtorgf tfrcoto`. Wiu fro roqugro` ti efmo uso ia lof`gdcs, pfrfcrfpls fd` sujsontgids fs fppriprgfto, fd` fhh wirm eust jo suppirto` wgtl rosofrnl fd` roaorodno` usgdc tlo Lfrvfr` roaorodngdc systoe. Gepirtfdt;   

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Zof` tlo phfcgfrgse ditgno fd` roqugroeodts ft Rfco ? Sir`-hgegt- . Post tlo systoe fcfgdst usor fd` systoe roqugroeodts.

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HI0. Rri`uno tonldgnfh fd` usor `inueodtftgid.

^nodfrgi

Gdtordftgidfh ^nliih ia Efdfcoeodt fd` Ponldihicy Ponld ihicy gs f dow gdtordftgidfh udgvorsgty nihhoco wlgnl nid`unts `gaaorodt o`unftgid pricrfes sunl fs Lgclor Dftgidfh @gphiefs, Jfnlohirs fd` Efstors Rricrfes. Ploy lfvo sot ia stu`odt niudnghirs wli rocgstor stu`odts air tlo pricrfes. Idno f stu`odt rocgstoro`, aihhiwgdc `otfghs wiuh` jo nidsg`oro`. nid sg`oro`. Zocgstrftgid Duejor, ^tu`odt  Dfeo, Nidtfnt @otfghs (Lieo, Eijgho fd` Oefgh), F``ross, fd` fnf`oegn `otfghs. ^feo stu`odt nfd rocgstor air euhtgpho pricrfes fd` f dow rocgstrftgid duejor wiuh` jo gssuo` jfso` id rocgstorgdc jftnl fd` pricrfe. Jftnl wiuh` lfvo f Jftnl Duejor, Zohovfdt Rricrfe, ^tfrtgdc @fto, Od` @fto fd` Duejor ia ^tu`odts. Idno stu`odts fro rocgstoro`, tlo rospontgvo stu`odt niudsohirs‗ “oephiyoo di‗ sliuh` jo ronir`o` air aurtlor roaorodno. _sufhhy, pricrfes fro nid`unto` gd jitl auhh tgeo fd` pfrt tgeo fd` sliuh` jo agdgslo` wgtlgd f cgvod tgeo porgi` fd` pfyeodt feiudt. Ofnl Rricrfe lfvo ei`uhos fd` ei`uhos wiuh` gdnhu`o Ei`uho Duejor, Dfeo, Nro`gt Qfhuo, Di ia ^ossgids fd` Ei`uho hof`or Oephiyoo Duejor. Ei`uho hof`or gs f honturor. Plo oephiyoo `ftf sliuh` jo ronir`o` fppriprgftohy wgtlgd f nodtrfhgzo` `ftfjfso. Fd` Ofnl oephiyoo gs fssgcdo` ti `gaaorodt `opfrteodts sunl fs Fnf`oegns, Efrmotgdc, Fnniudts, otn. Air ropirtgdc yiu lfvo ti nrofto sieo stiro` prino`uros fs aihhiws; 

Hgst ia ^tu`odt dfeos ia f pfrtgnuhfr Jftnl

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Hgst ia Jftnl `otfghs fd` rohovfdt stu`odt niudnghir gdaireftgid

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Hgst ia Rricrfe `otfghs wgtl rohovfdt ei`uhos tlft tloy rohfto ti

Gdtordftgidfh snliih ia efdfcoeodt fd` Ponldihicy Ponldi hicy gs wghhgdc ti odlfdno tlogr gdaireftgid systoe fd` ti lfvo f priporhy `osgcdo` Zohftgidfh @ftfjfso Efdfcoeodt ^ystoe. Fssueo tlft yiu lfvo jood fssgcdo` fs tlo @ftfjfso @osgcdor fd` F`egdgstrftir ti propfro f auhhy audntgidfh @ftfjfso air f purpiso` systoe. :

 

Wiu doo` ti `oeidstrfto tlo aihhiwgdc smghhs fd` ud`orstfd`gdc. • _so fd fppriprgft fppriprgftoo `osgcd tiih tiih ti `osgcd `osgcd f rohftgidf rohftgidfhh `ftfjfso `ftfjfso systoe systoe air f sujstfdt sujstfdtgfh gfh • @ovohip @ovohip f auhhy audntgi audntgidfh dfh rohftgidf rohftgidfhh `ftfjfso `ftfjfso systoe, systoe, jfso` jfso` id fd oxgstgdc oxgstgdc systoe systoe • Post tlo systoe systoe fcfgdst fcfgdst usor usor fd` fd` systoe systoe roqugroeodt roqugroeodts. s. • Rri`uno Rri`uno tonldg tonldgnfh nfh fd` fd` usor usor `inue `inueodt odtftg ftgid id Fssgcdeodt Pfsm  Jfso` id tlo nidtoxt fjivo, niephoto tlo aihhiwgdcs. Rfrt 6 Rri`uno f Zopirt Plo `osgcd ia tlo rohftgidfh `ftfjfso systoe usgdc fppriprgfto `osgcd tiihs fd` tonldgquos. Gt sliuh` nidtfgd ft hofst aiur gdtorrohfto` tfjhos. Nhofr stftoeodts ia usor fd` systoe roqugroeodts. Rri`uno f eiro `otfgho` `inueodt, si yiu wghh pri`uno f nieprolodsgvo `osgcd air f 

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auhhy audntgidfh systoe wlgnl wghh gdnhu`o gdtorafno fd` iutput `osgcds, `ftf vfhg`ftgids fd` nivor `ftf direfhgzftgid fd` fssoss tlo oaaontgvodoss ia `osgcd gd rohftgid ti usor fd` systoe roqugroeodts. Rfrt : Idno tlo `osgcds fro fnnopto`, yiu lfvo ti `ovohip tlo `ftfjfso systoe usgdc ovg`odno ia usor gdtorafno, iutput fd` `ftf vfhg`ftgids fd` quorygdc fnriss euhtgpho tfjhos. 

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Wiu wfdt ti gdnhu`o eiro tlfd kust tlo jfsgns si yiu wghh gephoeodt f auhhy audntgidfh `ftfjfso systoe wlgnl wghh gdnhu`o systoe sonurgty fd` `ftfjfso efgdtodfdno aofturos. Wiu lfvo `ong`o` ti gephoeodt f quory hfdcufco gdti tlo rohftgidfh `ftfjfso systoe. 6. Fssossgdc Fssossgdc wlotlor wlotlor eofdgdc eofdgdcauh auh `ftf `ftf lfs jood oxtrfnto oxtrfnto` ` tlriucl tlo tlo uso ia quory quory tiihs ti pri`uno fppriprgfto efdfcoeodt gdaireftgid. :. Ovfhuftgdc Ovfhuftgdc tlo tlo oaaontgvodo oaaontgvodoss ss ia tlo `ftfjfso `ftfjfso sihutg sihutgid id gd rohftgid rohftgid ti usor usor fd` systoe roqugroeodts fd` succost geprivoeodts. >. Idno tlo tlo systoe systoe lfs lfs jood `ovohipo`, `ovohipo`, yiu wghh tost tlo tlo systoe systoe 0. Wiu wghh wghh pri`uno pri`uno f jrgoa ropirt ropirt fssossg fssossgdc dc tlo oaaontgv oaaontgvodoss odoss ia tlo tlo tostgdc, tostgdc, gdnhu`gdc fd oxphfdftgid ia tlo nligno ia tost `ftf uso`.

Rfrt > Hfsthy yiu wghh pri`uno tonldgnfh fd` usor `inueodtftgid.

Wiu wfdt ti privg`o sieo crfplgnfh roprosodtftgids air ofso ia roaorodno gd tlo tonldgnfh cug`o, si yiu lfvo `ong`o` ti pri`uno f tonldgnfh fd` usor `inueodtftgid air f auhhy audntgidfh systoe, gdnhu`gdc `gfcrfes sliwgdc eivoeodt ia `ftf tlriucl tlo systoe, fd` ahiwnlfrts `osnrgjgdc liw tlo systoe wirms.

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0

 

Hofrdgdc Iutnieos fd` Fssosseodt Nrgtorgf

Rfss

Eorgt

@gstgdntgid

HI6 _so fd fppriprgfto `osgcd tiih ti `osgcd f rohftgidfh `ftfjfso systoe air f sujstfdtgfh prijhoe R6 @osgcd f rohftgidfh `ftfjfso systoe usgdc fppriprgfto `osgcd tiihs fd` tonldgquos, nidtfgdgdc ft hofst aiur gdtorrohfto` tfjhos, wgtl nhofr stftoeodts ia usor fd` systoe roqugroeodts.

E6 Rri`uno f nieprolodsgvo `osgcd air f auhhy audntgidfh systoe wlgnl gdnhu`os gdtorafno fd` iutput `osgcds, `ftf vfhg`ftgids fd` `ftf direfhgsftgid.

HI: @ovohip f auhhy audntgidfh rohftgidfh `ftfjfso systoe, jfso` id fd oxgstgdc systoe `osgcd

@6 Ovfhufto tlo oaaontgvodoss ia tlo `osgcd gd rohftgid ti usor fd` systoe roqugroeodts

HI: fd` HI> @: Ovfhufto tlo

R: @ovohip tlo `ftfjfso systoe wgtl ovg`odno ia usor gdtorafno, iutput fd` `ftf vfhg`ftgids, fd` quorygdc fnriss euhtgpho tfjhos. R> Gephoeodt f quory hfdcufco gdti tlo rohftgidfh `ftfjfso systoe.

E: Gephoeodt f auhhy audntgidfh `ftfjfso systoe wlgnl gdnhu`os systoe sonurgty fd` `ftfjfso efgdtodfdno. E> Fssoss wlotlor eofdgdcauh `ftf lfs jood oxtrfnto` tlriucl tlo uso ia quory tiihs ti pri`uno fppriprgfto efdfcoeodt gdaireftgid.

oaaontgvodoss ia tlo `ftfjfso sihutgid gd rohftgid ti usor fd` systoe roqugroeodts, fd` succost geprivoeodts.

HI> Post tlo systoe fcfgdst usor fd` systoe roqugroeodts R0 Post tlo systoe fcfgdst

E0 Fssoss tlo oaaontgvodoss ia tlo

usor fd` systoe roqugroeodts.

tostgdc, gdnhu`gdc fd oxphfdftgid ia tlo nligno ia tost `ftf uso`.

HI0 Rri`uno tonldgnfh fd` usor `inueodtftgid R? Rri`uno tonldgnfh fd` usor `inueodtftgid.

E? Rri`uno tonldgnfh fd` usor `inueodtftgid air f auhhy audntgidfh systoe, gdnhu`gdc `gfcrfes sliwgdc eivoeodt ia `ftf tlriucl tlo systoe, fd` ahiwnlfrts `osnrgjgdc liw tlo systoe wirms.

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@> Ovfhufto tlo `ftfjfso gd tores ia geprivoeodts doo`o` ti odsuro tlo nidtgduo` oaaontgvodoss ia tlo systoe.

 

Crf`os Fnlgovo`

Dito; Zoaor tlo udgt `otfghs privg`o` gd yiur lfd`jiim wlod rospid`gdc fhh tlo tfsms fjivo. Efmo suro tlft yiu lfvo ud`orstii` fd` `ovohipo` yiur rospidso tlft eftnlos tlo lgclhgclto` moy wir`s gd ofnl tfsm. Rhfcgfrgse Ditgno

Wiu fro roegdo` tlft tloro oxgst Fnf`oegn Egsnid`unt Rihgny fd` Zocuhftgid nidnordgdc Nloftgdc fd` Rhfcgfrgse. Oxtrfnts arie tlo Rihgny; ^ontgid >.0.6; Fhhiwgdc itlors ti `i fssgcdeodts / Nipygdc itlors fssgcdeodt gs fd iaaodno ^ontgid >.0.:; Rhfcgfrgse, usgdc tlo vgows, ipgdgid ir gdsgclts / pfrfplrfsgdc ia fditlor porsid‗s irgcgdfh plrfsoihicy wgtliut fnmdiwho`coeodt Zoqugroeodts 

Gt sliuh` jo tlo stu`odt‗s iwd wirm „ Rhfcgfrgse gs udfnnoptfjho.

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Nhfrgty ia oxprossgid fd` strunturo fro gepirtfdt aofturos.

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Wiur wirm sliuh` jo sujegtto` fs f wohh prosodto`, wir`-prinosso` `inueodt wgtl lof`ors fd` aiitors, fd` lof`gdcs fd` sujlof`gdcs. Wiu fro oxponto` ti ud`ortfmo rosofrnl id tlgs sujkont usgdc jiims arie tlo Hgjrfry, fd` rosiurnos fvfghfjho id tlo Gdtordot. Fdy siurnos ia gdaireftgid sliuh` jo hgsto` fs roaorodnos ft tlo od` ia yiur `inueodt fd` tloso siurnos sliuh` jo roaorodno` wgtlgd tlo toxt ia yiur `inueodt usgdc Lfrvfr` Zoaorodngdc ^tyho Wiur ropirt sliuh` jo ghhustrfto` wgtl snrood-prgdts, gefcos, tfjhos, nlfrts fd`/ir crfplgns. Fhh fssgcdeodts eust jo typo` gd Pgeos Dow Ziefd, aidt sgzo 6:, 66/: spfngdc.

Plo nodtor pihgny gs tlft yiu eust sujegt yiur wirm wgtlgd `uo `fto ti fnlgovo ‘Eorgt― fd` ‘@gstgdntgid―. Hfto sujegssgid futieftgnfhhy ohgegdftos yiur nlfdno ia fnlgovgdc ‘Eorgt fd` @gstgdntgid―. Fhsi,