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Q25: The column definition of NUMBER(7,4)indicates a precision
Q35: The _ symbol is used for determining
Q40: If a FOREIGN KEY constraint exists,then a
Q46: Which of the following SQL statements will
Q47: A shared lock prevents another user from
Q47: The _ comparison operator is used to
Q63: If a PRIMARY KEY constraint,named ORDERITEMS_PK,exists for
Q91: When including a subquery in an INSERT
Q108: _ is the process by which only
Q118: Which of the following statements about the