Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary)
Here the dept_name attribute appears in both the relations. Here using common attributes in relation schema is one way of relating ___________ relations.
Attributes of common
Tuple of common
Tuple of distinct
Attributes of distinct
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Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________
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The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
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3
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A relational database consists of a collection of
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4
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For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
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5
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The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.
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6
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This query can be replaced by which of the following ?
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7
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To display the salary from greater to smaller and name in ascending order which of the following options should be used?
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8
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This query does which of the following operation?
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9
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The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
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10
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In the SQL given above there is an error . Identify the error.
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