Dbms Assignment 1
Dbms Assignment 1
Dbms Assignment 1
Date
Assignmenl 1.
teonorms
QueteAine the Potowing
oadlussified de
1. TmPonaroutíon aganized eceiveu
Lfoznation is
voles Pon the
which has Some necuming
h pnocess cd on cohich
Tmfozmuionís the
based.
decisíons amdQuolíoms Cne
collec Hiom
A Dateibse mamegement system is a
Prog>cIm 6.
o inten -nelu ted dete emd oet of
moni pulate thase dee.
D8s. pote bese + gel o Progrems
soPkwane syslemm that helps in the
Pocess af de fining, Constucing,manipulating the
doutes boe.
4. Meludolu -
Mekesaite is dlty oabout olut.
Dute such as tenble mame, lolumn nume, odede ty Pe.,
eutho sizd ClleaS
teuble is called mekeycluute PoPoy
that
that
Puivileges Pon em
teuble.
|"ngeNo.
Date
8. Field -
AAField is a chunuchon on g.maup
gznoup ot chazoctems
thast hNe a specifio meLming.
IH iss gls0 Culled o dutes iteam, TE is me pnesen ed
in the datteybage bya qvalue.
Foon Example customen id, eme Sociky amd eity
al Pielos Po eug kermes Dokel.
9. Da:
The c,. cmd Fgumes that Cun be neconded in
syslem md thut have 6ome speaial meuning ussigmed
to-t 's callod 13 derte.
Ex. Date o a CusBomen like nme, telephone mumben, cddneSS,
oleake. the onm bcsed ee
ete dutadeute las tebu
hta. ideus, Language suchasslsuchne A
chunocles.
mfenences. Ideus, letes numben
the fozrmatiom
is Tnmoleual. SLo) is ate
meming.
meming Cuny docs't
Cciay Jntomaion
must - Datel
eciAc. Inbmehion
is SPeciMc. mot is Dete
deLte. Infereulig.
In alepend
on does'nt Dat
depends islion fosna
Pfgune.
dete
onmalion Puots
Tn umpn0(esse is Daty
cesseal is
cate. the o! 5ystem. Compulen
input-
In os used isDatu
tput is
the fomation
Dater
IsnPecna
tio
nonaneahon: ound DeBe betweemnOenemtiate -9. Que
Cid, Pos Cosd 1e
2
ciy ,5ociey neme Cuslomes.
Poom fields. Colleotion
of xamples e Fos
Pfelds.
oflion Ccllec a 1ec03d
is A
led snela logically Necoyd-
Date
No. Tage |
|TugeNo.
Date
to D8M.
DEm,.
Cle suolern Com fame
discdemteges oa P:le
Que -3 Explein isadurmkegea file ne inde pomdent o esich
Ans.-Duplicate due t eAs i n mo ng thom
othe, so, du plicuta doitomay be Present
be pnesmt
Ome Piles.
eAyns diAenent copies gf
o!
Lm Comsistency: Im consls Bemcy be
Sume ate hat eise mot amatehing Date may
inconsislent n ile pnocessimg syslem.
integtty :- Dato integ zuity nefens o the
Poom dukey Comsislunty
oll CompleBemess, cccunaly emd Poog date
dute But in pnocessing system
inBegnily allem destors.
Dotesisoluled ond 8e puacaledt ilesso. f if is.
5e Po:moked in Vomious
Dote iÙ ditenemt iles. i will
Poom 9
meeds to ex tonoot date which pamts cf eachat the
nmined
be aeguinedto dele Biles Ane melaBed t one
ho
piles QIe nesded ond
amathe dependent Om ile fonmutst
APplicaBion Pogmcxms nÃ
yslem, the physicul Pasmeutsot
Tm Paotessing eippliculian Priogum Ahat
Pile ane enteea in ein the ile oomat nesultE
Process the files.
chang is timg
amd a chaange. which
in Pnognamomdupdates
e1ON porone.
Consuming
poon daBe seAA sally ile Ceuaing the
Dateis 6oed in ditenent
Sed siy pobleams.
Mepresent Com plexeh'ecti
bitical to
may be o Vaiable
dete ohject
paoduct dittioulky in
Some
length ouhich migb
nePesem tetom
in iles.
a4 GIysta!
|Date
Due -4 Explaim
Explain Advanleges
Adventeges ef D8MS oven Pile noragomen t
Syolem.
-thene se SeveMal advcun texges of Dote manigemnen+
2 ile ayolem.
aystem ovei
1.
NoRedumteimt dale - Redumdoncy iemoyed by dat
monmelizalton.
Dat1 Consís temcy end To teamik -daBo nomulization
teulkes. Lccess
Secuse- taoh hus ditemermt set of
Paniva cå - Limt led CICcesS.
DBMS ROBMS.
The appliculions o
Aialines smd Ratlaoays:
Ailines ond neilways USe, Online doten beiseg
AValán, and Pom displaging the scheoule.
2. Bemk ing
Banksuse deteL based Pon customes inquiny
eucco unts locna. emd othen tnainget kions
9.Futantiom
Schools amd colleuges uae dote boses bon Counse
SLegislliom, mesult end othen ntoma hen.
Sales:
Dote bese used to 6toze Poduet eustomen
Qumd taomsacliozn dedoils.
8. Humum esountet
se detes based Pon_stoning intoamaiod
OagojnizetHon use teutes, emd on
about thein employee, Sala nies.,
genema king 3aluny cheehs.
duties) o
Oue & Descuibe. hinelians Cesponsiblihy, nale omd
BA to homodle oBng
adminisoatonls oluies mdlude:
Date bas e
6chema deftntHon. detiniion.
staucune Qmd actess metho
6-ozuge.
Scheng omd phy siceul on9
anizhiom mdibi cuqi
lcless the
Gncmting (omdphyr Cutho nihy
doi teubase.
specifying integaity_Constaalnts
PosmaMCe and IesPonding to chomges im
nonitoming pen
Neq uiements.
40the date base..
Authonizing use.
Coonine ting amd moniBoning its ewane
So Ptcwene omd hand
Acquining
need ed.
Oue-1Explain mupping.
The pono ceGs ot etn Tnems toming iequests emd
Mapping: mapping
Iesulks belween the level í5is culting
Date
2.Tatesamaul Maipping:
schema.
TÊI 1elaBes Concephuel scheme, coith inteornal hua! schem
I detines Coamnespondene between the com cep
omd the cdaukey bese alozned in physical devíces.
I speriies hou) Comcepal etoda cmd BioldsPreds qne
Pnesented at the jnteunl level.
I! he olauctune of sto1ed clukey base is ohnged, then
Corncephuallinteunul mapping must be chunged lCCodingty
md Concepkial scheme JnOmain inveslemt
Thene could be mappiny beBween concephual amd
jnlenel levels.
a4 Crysta!
Tage No.
Date
Oue-what i
ol Date
s Datu Tnde.pendlente . Explain dilement types
Tmdependente,is the
Date idepenoleme.
theit mutes type ot due tcmspnency
Pom_oCemtono lized DBMo
A outebuse syslem
in momally Conteins lot ot olto
Usens' dote
LogicalDuta Lmdepercente. t.
Logical dak inde pondamts ndiautes shat the contep hual.
3chema Cum be chamged eoihout afecting the ekailing
exlenmalschennu &. Thechngee0ould ba onbson bed by
Ihe mapping belween the exteonnal and Comcep hal levels.
Loaícel dote
dake is dete about detabase. thet is il stomes.
infomeion obout how ola te is mamag ed inside.. Fo.
example, a teible sBoned n the dateu base ond ot i
Consluints, epplied on 1hat elalicn.
Q.spohisticuked Pnom
Ysems hegueste in duke base. quey
anguage.
These nclude buainess emelysis. sa'entists. emgimens.
othens thonughiy Ramiliam wih the sysfem cupabilites.
Muny Use tools n tha bom ot soflcvans pal<oges
thot elosely stoed deteu bas8.
ilh
8.Speojaliz ed seMS -
wmile specica liz ed dlaukeibass aLpplico hions thut
do mot Pit into the Aonediional dlute Pno cessing
Baame cU0k.
4. Naive
These USes dlne uN 3ophistieuted usens who
have vey less knoeoleges af dutubs6 Syskmn.
these usens inteeict with the sys kem by
using ol the pplicahian progms that huve beer
CU it len Pneviouay
Ex. beml lellens, eleszical seutt eke.
5. slemd- olone ;
Mostly main leuim pensonal dete bes eustng
- to-use palkaged Qupplicetion.
Am kemple is a telx PogrAm ySeN thelt Coneohe
|Tuge Ne.
Datc
D8A.
Oanganizeution haOmalysis,
undestemd mone
bene dubei kmd 0nganizeilisnal
nequis1ememts
DA wilh neguisnémenta
gatheing.the DA
Phyakul
Boega
ses
Talennl DBms diagsam
ExplainExplan lechnology
catbaseei Penson, teahnalg
bosetechnicil
undeaskandslechmology
does es is_
o
but imvolveod
sipchuly Schemas adaBe1base
jm
Date knocw
businessicieny. Penaon.
mot pec md
gchema dedail. bae moehelshe lage need 4o design
bu daBe. mome
stauoynes
doiteactess
nd syslern about about
Cm
be lo
yslem Pocused phuse.
at levels
Ihmee : shouldPenon. emy be
a
m
model. the 9lie heumdengkend Kna DBA - edhe
Jnlemal Anchilectune.netetively.
caken
buse ness
bugi PuncBioknouledge busimofess DBA
nalmoneCam beilyahuut involD8vAedlis
archilectune does_ is deaigm,
lugeopeaulisnal
to but Penson. mot o a Date |PageNo.
Aeohmiczly lechnical
Paths.descaibe
piculty leuelto
"y adonimislen manG he o dola developmam
euilh lohe beme but need buse pheSe.
nm
abautshoulhe kiciasy
d. Ongunizadio emy to Pes0n
eley
the
Aocused kind a
he
teslng
.
a havn
Date
End ses
Exlenmal/Concep kul
mupping
CoNceplucul schemu
leveL
amceptul/inlesrul
mupping
Tnlenel SCeme
Jnlemral
lEveL