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Mention the type of constraints we can specify in the CREATE command of DDL.
The type of constraints that can be specified are as follows:-
PRIMARY KEY, NOT NULL, UNIQUE, FOREIGN KEY, CHECK.
tell me the functionality,advantages and disadvantages of student database
Critically explained the benefits and limitations of different database technologies with proper examples
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Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
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Describe multi key files
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