The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
Select
Join
Union
Intersection
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1
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The tuples of the relations can be of ________ order.
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2
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The _________ provides a set of operations that take one or more relations as input and return a relation as an output.
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3
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By default, the order by clause lists items in ______ order.
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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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A relational database consists of a collection of
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6
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A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
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7
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A ________ in a table represents a relationship among a set of values.
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8
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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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9
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Which one of the following is procedural language?
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10
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’_____’ matches any string of ______ three characters. ’_____%’ matches any string of at ______ three characters.
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