what are constraints?
jatin112:
a limited or restriction
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Answered by
5
Constraints enable the RDBMS enforce the integrity of the database automatically, without needing you to create triggers, rule or defaults.
Types of constraints:
· PRIMARY KEY
UNIQUE
· FOREIGN KEY
· CHECK
· NOT NULL
Types of constraints:
· PRIMARY KEY
UNIQUE
· FOREIGN KEY
· CHECK
· NOT NULL
Elements,factor or subsystem that works as a bottleneck it restrict the entity ,project or system from achieving its potential with reference to its goal.
Answered by
4
A limitation or restriction .
Stiffness of manner and inhibitions in relations between people.
Stiffness of manner and inhibitions in relations between people.
thnx
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