The database administrator who authorizes all the new users, modifies the database and takes grants privilege is
Operator of operating system
Administrator
Super user
All of the mentioned
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1
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Which of the following is used to avoid cascading of authorizations from the user?
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2
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To remove a relation from an SQL database, we use the ______ command.
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3
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What type of statement is this?
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4
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If we wish to grant a privilege and to allow the recipient to pass the privilege on to other users, we append the __________ clause to the appropriate grant command.
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5
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Which of the following is used to provide delete authorization to instructor?
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6
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Updates that violate __________ are disallowed.
Solution |
7
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In the authorization graph, if DBA provides authorization to u1 which in turn gives to u2 which of the following is correct?
Solution |
8
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Which of the following statement is used to remove the privilege from the user Amir?
Solution |
9
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What type of statement is this?
Solution |
10
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The basic datatype char (n) is a _______ length character string and varchar (n) is _______ length character.
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