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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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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10
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The basic datatype char (n) is a _______ length character string and varchar (n) is _______ length character.
Solution |
2
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Which of the following is used to avoid cascading of authorizations from the user?
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3
Discuss
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Which of the following is used to provide privilege to only a particular attribute?
Solution |
4
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This command performs which of the following action?
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5
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An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.
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6
Discuss
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Which of the following is used to provide delete authorization to instructor?
Solution |
7
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What type of statement is this?
Solution |
8
Discuss
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To remove a relation from an SQL database, we use the ______ command.
Solution |
9
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Which of the following is true regarding views?
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