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Replies to This Discussion

 REVOKE is a ______________ statement.

  • Data definition
  • Control access
  • Data manipulation 

control access

__________ User Interface is preferred over ________ User Interface with respect to user.

  • Easy to understand, efficient
  • Hard to understand, efficient
  • Easy to understand, effective
  • Hard to understand, effective
  • Easy to understand, effective

Truncate is an alternative of Delete command.

  • True
  • False
  • True

Consider the two relations, Supplier (S_no, S_name, Contact_No, Address) and Supply (S_no, Item_no). Which of the following

statements give(s) a list of supplier names supplying the item with Item_no ‘555’?

 

  • SELECT S_name FROM Supplier WHERE Item_no=’555’ 
  • SELECT S_name FROM Supplier, Supply WHERE Supplier.S_no=Supply.S_no AND Item_no=’555’ 
  • SELECT S_name FROM Supplier WHERE S_no EXISTS (SELECT S_no FROM Supply WHERE Item_no=’555’) 
  • SELECT S_name FROM Supplier WHERE S_name EXISTS (SELECT S_name FROM Supply WHERE Item_no='555')
  • SELECT S_name FROM Supplier WHERE Item_no=’555’ 

GRANT is a ______________ Command.

  • DDL
  • DML
  • DCL
  • None of given 
  • None of given 

ACCESS CONTROL SQL-92 supports access control through the GRANT and REVOKE commands. The GRANT command gives users privileges to base tables and views.

Please all students related this subject Share your online Quizzes here to help each other.thanks

 

Please share the question and their answers of this quiz if anyone has done.
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thnx + D_Asif 

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