Which of the following is correct
a SQL query automatically eliminates duplicates
SQL permits attribute names to be repeated in the same relation
a SQL query will not work if there are no indexes on the relations
None of these
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A report generator is used to
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2
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Which of the following is a comparison operator in SQL?
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3
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‘AS’ clause is used in SQL for
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4
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Which of the following is an advantage of view?
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5
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Which one of the following is not true for a view
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6
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The SQL ALTER statement can be used to
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7
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Which of the following is a valid SQL type?
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8
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Which of the following is a legal expression in SQL?
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9
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To delete a particular column in a relation the command used is
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10
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A reason for using an SQL view to hide columns is
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