Which one of the following is used to define the structure of the relation, deleting relations and relating schemas?
DML(Data Manipulation Langauge)
DDL(Data Definition Langauge)
Query
Relational Schema
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1
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Which of the following is used to provide delete authorization to instructor?
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2
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What type of statement is this?
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3
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What type of statement is this?
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4
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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 |
5
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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.
Solution |
6
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Which of the following is used to avoid cascading of authorizations from the user?
Solution |
7
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This command performs which of the following action?
Solution |
8
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Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database?
Solution |
9
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Which of the following is true regarding views?
Solution |
10
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Which of the following statement is used to remove the privilege from the user Amir?
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