The document discusses different types of data constraints that can be applied to tables in a database. It defines data constraints as rules that prevent invalid data from being inserted into tables. The main types of data constraints discussed are input-output data constraints and business rules data constraints. Input-output data constraints use keys like primary keys to restrict the entry of input data. Primary key constraints require that each row in a table have a unique primary key value that cannot be empty. Business rules data constraints apply business rules defined by managers to prevent unqualified data from being inserted into tables.

1. Presented By
NAME : Jyoti Bagdi,reena Rajput
CLASS : BSC V SEM (CS)
COLLEGE : RAI SAHEB BHANWAR
SINGH COLLEGE
NASRULLAGANJ
SUBMITTED TO: SANJAY SHINDE C.L. MALVIYA SIR
RAI SAHEB BHANWAR SINGH COLLEGE
NASRULLAGANJ
1
Rai Saheb Bhanwar Singh College
Nasrullaganj

2. DATA
CONSTRAINTS

3. Data Constraints:-,slsRule tks MkVkij AAply fd;s tkrs gSA data
constraints dgykrs gSA ;s ,sls Rulegksrs gSA tksTable esa iwalid date
dksinsertgksus es jksdrs gSA tcfdlh tabledk use dksbZ ungteried uses
;k vklkkeU;djrkgSA rks data constrintsfu;e ,d tableijaccess gksus ls
jksdrs gSA blfu;e dks vf/kdrj business menger }kjkdefine fd;k tkrk gSA
ftUgs data stare djrs le; data ijapplyfd;k tkrk gSA ftlls data basedh
'kq}rk ouh jgrh gSA tSls fdlh scale deparmemnt esa emplay dh salary
gksrh gSA bl salary dks fdlh vu; O;fDr }kjkc<k;k ;k ?kVk;kugh tk ldrk

4. TYPES OF DATA CONSTRAINTS
arcade ds tableesa insert fd;s tkusokys data ij;k table ijfuEunks izdkj ds
data constraintsfd;s tkrs gSa
•Input Outpurt Dta Counstauht
• Businsessuresles Dta Constant

5. (1) Input Outpurt Dta Counstauht%&Inputaputut;g igpku djrs
gSA fd dkSu ;k counsyrd esainsutefd;s ;ksX;gSA rFkk blsml tablels
dSls aaaacesefd;k tkukgSA unput putput data coutautdqN keys
dk usedjrk gSA ftles inpuild data dh entry jksdhtkrh gSA unput
output coustand dks fuEu ekaxksesadevied fd;k tkrk gSA

6. (1)primary key ciystant %& table es ,sls alounftles
primery key devifnedh tkrh gS dta counstand primary
key put cu tkrs gSA bl izdkj ds counstandfuEunks ciundituon
ij lk'krZ ijdk;Z djrs gSA
tableds calaun insertfd;s tkus okyk dtalHkhcaland ds
fy, unik gksukpkfg,
bl ola mdh valuedHkhHkh fjDr ugh gksuhpkfg,A

7. (1)farain kery counstand %& bl izdkjds counstand master
;kdetail tablds e/; relationship n’kkZrsgSA
(2) business rule data counstant%& business rules
consentdks fdlh table ij business mengerds apply fd;k tkrk
gS ;g rules table calaam esa dta insertionds le;aapplyfd;s
tkrs gSA ftlesatable es unualied dtadks insert gkusls jksdktk
ldrk gSA