In the authorization graph, if DBA provides authorization to u1 which in turn gives to u2 which of the following is correct?
If DBA revokes authorization from u1 then u2 authorization is also revoked
If u1 revokes authorization from u2 then u2 authorization is revoked
If DBA & u1 revokes authorization from u1 then u2 authorization is also revoked
If u2 revokes authorization then u1 authorization is revoked
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Which of the following is true regarding views?
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2
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Which of the following statement is used to remove the privilege from the user Amir?
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3
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4
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What type of statement is this?
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5
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6
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7
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8
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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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9
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10
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Which of the following is used to avoid cascading of authorizations from the user?
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