What are constraints? Explain different types of
constraints?
Answer Posted / manish nagar
Constraints are used to limit the type of data that can go
into a table.
Constraints can be specified when a table is created (with
the CREATE TABLE statement) or after the table is created
(with the ALTER TABLE statement).
NOT NULL
UNIQUE
PRIMARY KEY
FOREIGN KEY
CHECK
DEFAULT
Is This Answer Correct ? | 12 Yes | 1 No |
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