Which of the following statements creates a new table temp instructor that has the same schema as an instructor?
Create table temp_instructor;
Create table temp_instructor like instructor;
Create Table as temp_instructor;
Create table like temp_instructor;
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An ________ on an attribute of a relation is a data structure that allows the database system to find those tuples in the relation that have a specified value for that attribute efficiently, without scanning through all the tuples of the relation.
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Here which one denotes the relation for which index is created?
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Values of one type can be converted to another domain using which of the following?
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Which of the following closely resembles Create view?
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5
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6
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The SQL database language includes statements for:
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7
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A type of query that is placed within a WHERE or HAVING clause of another query is called
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8
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In contemporary databases, the top level of the hierarchy consists of _______ each of which can contain ______
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9
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10
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Which SQL Query is used to remove a table and all its data from the database?
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