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What are constraints? Explain different types of
constraints?
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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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